MPXY8021A6T1

MOTOROLA Freescale Semiconductor, Inc. Order Number: MPXY8021A Rev. 0, 07/2004 SEMICONDUCTOR TECHNICAL DATA Tire Pressure Monitoring Sensor Temperature Compensated and Calibrated, Fully Integrated, Digital Output General Description The Motorola MPXY8021A sensor is an 8-pin tire monitoring sensor which is comprised of a variable capacitance pressure sensing element, a temperature sensing element, and an interface circuit (with a wake-up feature) all on a single chip. It is housed in a Super-Small Outline Package (SSOP), which includes a media protection filter. Specifically designed for the low power consumption requirements of tire pressure monitoring systems, it can combine with a Motorola remote keyless entry (RKE) system to facilitate a low-cost, highly integrated system. Detailed Description The block diagram of the MPXY8021A sensor is shown in Figure 1. The pressure sensor is a capacitive transducer constructed using surface micromachining, the temperature sensor is constructed using a diffused resistor, and the interface circuit is integrated onto the same die as the sensors using a standard silicon CMOS process. The conditioning of the pressure signal begins with a capacitance to voltage conversion (C to V) followed by a switched capacitor amplifier. This amplifier has adjustable offset and gain trimming. The offset and gain are factory calibrated, with calibration values stored in the EEPROM trim register. This amplifier also has temperature compensation circuits for both sensitivity and offset, which also are factory adjusted using the EEPROM trim register. The pressure is monitored by a voltage comparator, which compares the measured value against an 8-bit threshold adjusted by a serial input. By adjusting the threshold and monitoring the state of the OUT pin the external device can check whether a low-pressure threshold has been crossed, or perform up to 8-bit A/D conversions. The temperature is measured by a diffused resistor with a positive temperature coefficient driven by a current source, thereby creating a voltage. The room temperature value of this voltage is factory calibrated using the EEPROM trim register. A two-channel multiplexer can route either the pressure or temperature signal to a sampling capacitor that is monitored by a voltage comparator with variable threshold adjust, providing a digital output for temperature. An internal low frequency, low power 5.4 kHz oscillator with a 14-stage divider provides a periodic pulse to the OUT pin (divide by 16384 for 3 seconds). This pulse can be used to wake up an external MCU to begin an interface with the device. An additional 10-stage divider will provide a pulse every 52 minutes which can be used to reset an external MCU. The power consumption can be controlled by several operational modes selected by external pins. MPXY8021A TIRE PRESSURE MONITORING SENSOR MPXY8021A: OPTIMIZED FOR 250 kPa – 450 kPa Freescale Semiconductor, Inc... SUPER SMALL OUTLINE PACKAGE CASE 1352-03 PIN ASSIGNMENT S1/VPP 1 VDD 2 VSS 3 OUT 4 8 SO 7 CLK 6 DATA 5 RST 8-pin Super Small Outline Package (SSOP) ORDERING INFORMATION Shipped In Rails MPXY8021A6U Shipped in Tape & Reel MPXY8021A6T1 REV 0 © Motorola, Inc. 2004 For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. VDD PX Clock Gen fHF Internal HF OSC. Power Control PREF C to V Convert AMP Digital Control S1 S0 Data CLK P-Cell Internal LF OSC. P-Off Trim P-Gain Trim P-TCO Trim P-TCS Trim f LF 14-Stage Divider Lock 8-Bit Current Source 2-Chan MUX COMP + Sample CAP AVSS AVSS 3-Chan MUX OUT VSS 8-Bit D/A Register 10-Stage Divider RST Freescale Semiconductor, Inc... T-Off Trim t PTC Res. AVSS 2-Chan MUX Figure 1. MPXY8021A Sensor Block Diagram MPXY8021A 2 For More Information On This Product, Go to: www.freescale.com Motorola Sensor Device Data Freescale Semiconductor, Inc. Operating Modes The device has several operating modes dependent on the applied voltages to the S1 and S0 pins as shown in Table 1. In all the modes listed the channel multiplexers, D/A Register, LFO, and the output pulse dividers will always be powered up as long as there is a voltage source connected to the VDD pin. When only the S0 pin is at a logic one the pressure measuring circuit in the device is powered up and the pressure output signal is connected to the sample capacitor through a multiplexer. When the S0 pin returns to the low state the multiplexer will first turn off to store the signal on the sample capacitor before powering down the measuring circuitry. When only the S1 pin is at a logic one the temperature measuring circuit in the device is powered up and the temperature output signal is connected to the sample capacitor through a multiplexer. When the S1 pin returns to the low state the multiplexer will first turn off to store the signal on the sample capacitor before powering down the measuring circuitry. NOTE: All of the EEPROM trim bits will be powered up regardless of whether the pressure or temperature measuring circuitry is activated. NOTE: If the voltage on the S1 pin exceeds 2.5 times the voltage on the VDD pin the device will be placed into its Trim/ Test Mode. NOTE: If the VDD supply source is switched off in order to reduce current consumption, it is important that all input pins be driven LOW to avoid powering up the device. If any input pin (S1, S0, DATA, or CLK) is driven HIGH while the VDD supply is switched off, the device may be powered up through an ESD protection diode. In such a case, the effective VDD voltage will be about 0.3 V less than the voltage applied to the input pin, and the full device IDD current will be drawn from the device driving input. Freescale Semiconductor, Inc... Table 1. Operating Modes Circuitry Powered S1 S0 Operating Mode Pressure Measure System OFF ON OFF OFF Temp Measure System OFF OFF ON OFF A/D Output Comp. OFF OFF OFF ON LFO Oscill. ON ON ON ON Serial Data Counter 0 0 1 1 0 1 0 1 Standby/Reset Measure Pressure Measure Temperature Output Read ACTIVE RESET RESET ACTIVE Pin Functions The following paragraphs give a description of the general function of each pin. VDD and VSS Pins Power is supplied to the control IC through VDD and VSS. VDD is the positive supply and VSS is the digital and analog ground. The control IC operates from a single power supply. Therefore, the conductors to the power supply should be connected to the VDD and VSS pins and locally decoupled as shown in Figure 2. MPXY8021A VDD To Other VDD Loads VDD 0.1 µF To Power Supply VSS To Other VSS Returns VSS Figure 2. Recommended Power Supply Connections Motorola Sensor Device Data For More Information On This Product, Go to: www.freescale.com MPXY8021A 3 Freescale Semiconductor, Inc. OUT Pin The OUT pin normally provides a digital signal related to the voltage applied to the voltage comparator and the threshold level shifted into an 8-bit register from an external device. When the device is placed in the standby mode the OUT pin is driven OUT high and will be clocked low when an overflow is detected from a clock divider (divide by 16384) driven by the LFO. This allows the OUT pin to wake up an external device such as an MCU. 2/f LFO 2/f LFO Operation Measure Standby Measure 3 Sec Wake Up Freescale Semiconductor, Inc... Figure 3. Pulse on OUT Pin During Standby Mode RST Pin The RST pin is normally driven high and will be clocked low when an overflow is detected from total clock divider (divide by 16,777,216) driven by the LFO. This allows the RST pin to reset an external device such as an MCU. This pulse will appear on the RST pin approximately every 52 minutes regardless of the operating mode of the device. The pulse lasts for two cycles of the LFO oscillator as shown in Figure 4. Since the RST pin is clocked from the same divider string as the OUT pin, there will also be a pulse on the OUT pin when the RST pin pulses every 52 minutes. OUT RST 2/f LFO 2/f LFO Standby ≈ 3 Sec ≈ 52 Minutes Figure 4. Pulse on RST Pin S0 Pin The S0 pin is used to select the mode of operation as shown in Table 1. The S0 pin contains an internal Schmitt trigger as part of its input to improve noise immunity. The S0 pin has an internal pulldown device in order to provide a low level when the pin is left unconnected. S1 Pin The S1 pin is used to select the mode of operation, as shown in Table 1. The S1 pin contains an internal Schmitt trigger as part of its input to improve noise immunity. This pin has an internal pulldown device to provide a low level when the pin is left unconnected. The S1 pin also serves the purpose of enabling factory trim and test of the device. The higher VPP programming voltage for the internal EEPROM trim register is also supplied through the S1 pin. DATA Pin The DATA pin is the serial data in (SDI) function for setting the threshold of the voltage comparator. The DATA pin contains an internal Schmitt trigger as part of its input to improve noise immunity. This pin has an internal pulldown device to provide a low level when the pin is left unconnected. CLK Pin The CLK pin is used to provide a clock used for loading and shifting data into the DATA pin. The data on the DATA pin is clocked into a shift register on the rising edge of the CLK pin signal. The data is transferred to the D/A Register on the eighth falling edge of the CLK pin. This protocol may be handled by the SPI or SIOP serial I/O function found on some MCU devices. The CLK pin contains an internal Schmitt trigger as part of its input to improve noise immunity. The CLK pin has an internal pull-down device to provide a low level when the pin is left unconnected. MPXY8021A 4 For More Information On This Product, Go to: www.freescale.com Motorola Sensor Device Data Freescale Semiconductor, Inc. Output Threshold Adjust The state of the OUT pin is driven by a voltage comparator whose output state depends on the level of the input voltage on the sample capacitor and the level of an adjustable 8-bit threshold voltage. The threshold is adjusted by shifting data bits into the D/A Register (DAR) via the DATA pin while clocking the CLK pin. The timing of this data is shown in Figure 5. Data is transferred into the serial shift register on the rising edge of the CLK pin. On the falling edge of the 8th clock the data in the serial shift register is latched into the parallel DAR register. The DAR remains powered up whenever VDD is present. The serial data is clocked into the DATA pin starting with the MSB first. This sequence of threshold select bits is shown in Table 2. Table 2. D/A Threshold Bit Assignment Function LSB Bit Weight 1 2 4 Data Bit D0 D1 D2 D3 D4 D5 D6 D7 Freescale Semiconductor, Inc... Voltage Comparator Threshold Adjust (8 bits) 8 16 32 64 MSB 128 An analog to digital (A/D) conversion can be accomplished with eight (8) different threshold levels in a successive approximation algorithm; or the OUT pin can be set to trip at some alarm level. The voltage on the sample capacitor will maintain long enough for a single 8-bit conversion, but may need to be refreshed with a new measured reading if the read interval is longer than the specified hold time, tSH. The counter that determines the number of clock pulses into the device is reset whenever the device is placed into the Measure Pressure or Measure Temperature Modes. This provides a means to reset the data transfer count in case the 1 CLK Data MSB BIT6 BIT5 BIT4 2 3 4 clock stream is corrupted during a transmission. In these two modes the DATA and CLK pins should not be clocked to reduce noise in the captured pressure or temperature data. Any change in the DAR contents should be done during the Standby or Output Read Modes. Both the serial bit counter and the state of the DAR are undefined following power up of the device. The serial bit counter can be reset by cycling either the SO pin or the S1/VPP pin to a high level and then back low. The DAR can then be reset to the lowest level by holding the DATA pin low while bursting the CLK pin with eight (8) clock pulses. 5 6 7 8 BIT3 BIT2 BIT1 LSB Serial Data ∗ MSB BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 LSB DAR Load * DAR * (*) Denotes Internal Signal Data Figure 5. Serial Data Timing Pressure Sensor Output The pressure channel compares the output of its analog measurement circuit to the D/A reference voltage. The device is calibrated at two different nominal values depending on the calibration option. Temperature Sensor Output The temperature channel compares the output of a positive temperature coefficient (PTC) resistor driven by a switched current source. The current source is only active when the temperature channel is selected. Motorola Sensor Device Data For More Information On This Product, Go to: www.freescale.com MPXY8021A 5 Freescale Semiconductor, Inc. APPLICATIONS Suggested application example is shown in Figure 6. Optional + Motion Sense S1 VDD S0 Data 0.1 µF MPXY8021A Sensor CLK RST VSS OUT State Machine or MCU RF Transmitter 3.0 V Freescale Semiconductor, Inc... Figure 6. Application Example ELECTRICAL SPECIFICATIONS Maximum Ratings Maximum ratings are the extreme limits to which the device can be exposed without permanently damaging it. The device contains circuitry to protect the inputs against damage from high static voltages; however, do not apply voltages higher than those shown in the table below. Keep VIN and VOUT within the range VSS ≤ (VIN or VOUT) ≤ VDD. Rating Supply Voltage Short Circuit Capability (all pins excluding VDD and VSS) Maximum High Voltage for 5 minutes Minimum Low Voltage for 5 minutes Substrate Current Injection Current from any pin to VSS –0.3 VDC) Electrostatic Discharge Human Body Model (HBM) Charged Device Model (CDM) Machine Model (MM) Storage Temperature Range Standard Temperature Range Symbol VDD VSC VSC ISUB VESD VESD VESD Tstg Value –0.3 to +4.0 VDD VSS 600 ±1000 ±1000 ±200 Unit V V V µA V V V °C –40 to +150 MPXY8021A 6 For More Information On This Product, Go to: www.freescale.com Motorola Sensor Device Data Freescale Semiconductor, Inc. Operating Range The limits normally expected in the application which define range of operation. Characteristic Supply Voltage Operating Temperature Range Standard Temperature Range Pressure Operating Range MPXY8021A Supply Current Drain Standby Mode −40°C to +85°C +85°C to +100°C +100°C to +125°C Symbol VDD TA P637.5 Min 2.1 TL –40 50 Typ 3.0 — — Max 3.3 TH +125 637.5 Units V °C kPa ISTBY ISTBY ISTBY — — — 0.6 0.8 1.5 0.9 1.2 2.2 µA µA µA Freescale Semiconductor, Inc... Read Mode −40°C to +125°C Measure Temperature Mode −40°C to +125°C Measure Pressure Mode −40°C to +10°C +10°C to +60°C +60°C to +125°C IREAD ITEMP — 400 600 µA — 400 600 µA IPRESS IPRESS IPRESS — — — 1400 1300 1200 1800 1700 1700 µA µA µA Motorola Sensor Device Data For More Information On This Product, Go to: www.freescale.com MPXY8021A 7 Freescale Semiconductor, Inc. Electrical Characteristics +2.1 V ≤ VDD ≤ +3.6 V, TL ≤ TA ≤ TH, unless otherwise specified. Characteristic Output High Voltage DATA, OUT, RST (ILoad = 100 µA) Output Low Voltage DATA, OUT, RST (ILoad = -100 µA) Symbol VOH VOL VIH VIL VHYS IIL IIH T-40 T-20 T25 T70 T100 T120 T125 T-40 T-20 T25 T70 T100 T120 T125 T-40 T-20 T25 T70 T100 T120 T125 Min VDD –0.8 — 0.7 x VDD VSS 100 Typ — — — — 200 Max — 0.4 — 0.3 x VDD — Units V V V V mV µA µA (2) counts counts counts counts counts counts counts counts counts counts counts counts counts counts counts counts counts counts counts counts counts °C/bit counts Input High Voltage S0, S1, DATA, CLK Input Low Voltage S0, S1, DATA, CLK Input Hysteresis (VIH — VIL) S0, S1, DATA, CLK Input Low Current (at VIL) S0, S1, DATA, CLK -5 -5 34 52 97 154 203 240 249 36 52 97 155 204 241 249 36 52 97 154 203 240 249 — -25 -35 42 57 102 163 214 252 255 42 57 102 163 214 252 255 42 57 102 163 214 252 255 0.80 -100 -140 51 67 107 172 225 255 255 50 64 107 171 224 255 255 49 64 107 172 225 255 255 Freescale Semiconductor, Inc... Input High Current (at VIH) S0, S1, DATA, CLK Temperature Measurement (+2.1 V ≤ VDD < +2.5 V) D/A Conversion Code at -40°C D/A Conversion Code at -20°C D/A Conversion Code at 25°C D/A Conversion Code at 70°C D/A Conversion Code at 100°C D/A Conversion Code at 120°C D/A Conversion Code at 125°C Temperature Measurement (+2.5 V ≤ VDD ≤ +3.0 V) D/A Conversion Code at -40°C D/A Conversion Code at -20°C D/A Conversion Code at 25°C D/A Conversion Code at 70°C D/A Conversion Code at 100°C D/A Conversion Code at 120°C D/A Conversion Code at 125°C Temperature Measurement (+3.0 V < VDD ≤ +3.6 V) D/A Conversion Code at -40°C D/A Conversion Code at -20°C D/A Conversion Code at 25°C D/A Conversion Code at 70°C D/A Conversion Code at 100°C D/A Conversion Code at 120°C D/A Conversion Code at 125°C Temperature Sensitivity at 25°C Approximate Temperature Output Response OUT = 74.7461 + 0.9752 x Ta + 0.0041 x Ta^2 12.0 10.0 Temperature Error [°C] 8.0 6.0 4.0 2.0 0.0 -40 -20 0 20 40 Temperature [°C] 60 80 100 120 ° Figure 7. Temperature Error vs Temperature at VDD = 3.0 V MPXY8021A 8 For More Information On This Product, Go to: www.freescale.com Motorola Sensor Device Data Freescale Semiconductor, Inc. Control Timing +2.1 V ≤ VDD ≤ +3.6 V, TL ≤ TA ≤ TH, unless otherwise specified. Characteristic HFO Measurement Clock Frequency LFO Wake Up Clock Frequency Ta = –40°C, +2.1V ≤ VDD ≤ +3.6 Ta = +25°C, +2.1V ≤ VDD ≤ +3.6 Ta = +125°C, +2.1V ≤ VDD ≤ +3.6 Wake Up Pulse Pulse Timing Pulse Width Reset Pulse Pulse Timing Pulse Width Symbol fHF fLF fLF fLF tWAKE tWPW tRESET tRPW tSETUP tHOLD Min 100 3300 3900 3800 — — — — 100 100 Typ 135 5400 5400 5300 16384 2 16,777,216 2 — — Max 150 8000 7700 7000 — — — — — — Units kHz Hz Hz Hz LFO clocks LFO clocks LFO clocks LFO clocks nSec nSec Freescale Semiconductor, Inc... Minimum Setup Time (DATA edge to CLK rise) Minimum Hold Time (CLK rise to DATA change) Measurement Response Time Recommended time to hold device in measurement mode Temperature Pressure Read Response Time (see Figure 8) From 90% VDD on S0 to OUT less than VOL or greater than VOH Sample Capacitor Discharge Time From initial full scale D/A count (255) to drop 2 counts (253) tTMEAS tPMEAS tREAD tSH — — — 20 200 500 50 — — — 100 — µSec µSec µSec mSec VDD 6.32 kΩ Test Point 50 pF 10.91 kΩ Figure 8. Control Timing Test Load for OUT and RST Pins Motorola Sensor Device Data For More Information On This Product, Go to: www.freescale.com MPXY8021A 9 Freescale Semiconductor, Inc. SENSOR CHARACTERISTICS (MPXY8021A) Pressure Transfer Function kPa = 2.5 x Output ± (Pressure Error) Output = 8-bit digital pressure measurement (between 0-255) Pressure Error (±kPa): 50 kPa ≤ P < 250 kPa T[°C] \ VDD[V] 2.1 72.5 57.5 57.5 57.5 57.5 72.5 95.0 2.5 72.5 57.5 57.5 57.5 57.5 72.5 92.5 2.7 35.0 30.0 25.0 25.0 27.5 37.5 57.5 3.0 35.0 30.0 25.0 25.0 25.0 37.5 47.5 3.3 35.0 30.0 25.0 25.0 25.0 37.5 47.5 3.6 37.5 35.0 27.5 27.5 27.5 37.5 47.5 –40 –20 0 25 70 Freescale Semiconductor, Inc... 100 125 Pressure Error (±kPa): 250 kPa ≤ P ≤ 450 kPa T[°C] \ VDD[V] 2.1 40.0 32.5 30.0 30.0 35.0 40.0 62.5 2.5 40.0 25.0 25.0 25.0 25.0 40.0 60.0 2.7 30.0 20.0 10.0 7.5 10.0 25.0 35.0 3.0 30.0 20.0 10.0 7.5 7.5 25.0 35.0 3.3 30.0 20.0 10.0 7.5 7.5 25.0 35.0 3.6 35.0 25.0 15.0 15.0 15.0 30.0 35.0 –40 –20 0 25 70 100 125 Pressure Error (±kPa): 450 kPa < P ≤ 637.5 kPa T[°C] \ VDD[V] 2.1 70.0 55.0 55.0 55.0 55.0 70.0 90.0 2.5 70.0 55.0 55.0 55.0 55.0 70.0 90.0 2.7 40.0 30.0 22.5 22.5 25.0 32.5 47.5 3.0 40.0 30.0 22.5 22.5 25.0 32.5 47.5 3.3 40.0 30.0 22.5 22.5 25.0 32.5 47.5 3.6 40.0 35.0 35.0 35.0 35.0 40.0 52.5 –40 –20 0 25 70 100 125 Areas marked in grey indicate the typical operating range. MPXY8021A 10 For More Information On This Product, Go to: www.freescale.com Motorola Sensor Device Data Freescale Semiconductor, Inc. SENSOR CHARACTERISTICS (MPXY8021A) Pressure Error 30.0 25.0 20.0 Error [kPa] 15.0 10.0 5.0 Freescale Semiconductor, Inc... 0.0 50 100 150 200 250 300 350 400 450 500 550 600 Pressure [kPa] Figure 9. Pressure Error vs Pressure at T = 25°C, 2.7 V ≤ VDD ≤ 3.3 V 35.0 30.0 25.0 Error [kPa] 20.0 15.0 10.0 5.0 0.0 2.1 2.3 2.5 2.7 VDD [V] 2.9 3.1 3.3 3.5 Figure 10. Pressure Error vs VDD at T = 25°C, 250 kPa ≤ P ≤ 450 kPa 30 .0 25 .0 Error [kPa] 20 .0 15 .0 10 .0 5 .0 0 .0 50 100 15 0 20 0 250 30 0 35 0 40 0 45 0 50 0 550 600 65 0 700 P re ssu re [kP a ] Figure 11. Pressure Error vs Temperature at VDD = 3.0 V, 250 kPa ≤ P ≤ 450 kPa Motorola Sensor Device Data For More Information On This Product, Go to: www.freescale.com MPXY8021A 11 Freescale Semiconductor, Inc. MECHANICAL SPECIFICATIONS Maximum Ratings Maximum ratings are the extreme limits to which the device can be exposed without permanently damaging it. Keep VIN and VOUT within the range VSS ≤ (VIN or VOUT) ≤ VDD. Rating Maximum Pressure1 Centrifugal Force Effects (3 axis) Pressure measurement change less than 1% FSS Unpowered Shock (three sides, 0.5 mSec duration) Symbol pmax gCENT gshock Value 1400 2000 2000 Unit kPa1 g g NOTES: 1. Tested for 5 minutes at 25°C. Freescale Semiconductor, Inc... Media Compatibility Media compatibility is as specified in Motorola document “SPD TPM Media Test.” MPXY8021A 12 For More Information On This Product, Go to: www.freescale.com Motorola Sensor Device Data Freescale Semiconductor, Inc. PACKAGE DIMENSIONS 2X 2 PLACES 4 TIPS 0.006 C A B A .420 .400 5 4 6X .050 .025 3 .300 .280 NOTES: 1. CONTROLLING DIMENSION: INCH. 2. INTERPRET DIMENSIONS AND TOLERANCES PER ASME Y14.5M-1994. 3. DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH AND PROTRUSIONS SHALL NOT EXCEED 0.006 PER SIDE. 4. ALL VERTICAL SURFACES TO BE 5˚ MAXIMUM. 5. DIMENSION DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.008 MAXIMUM. 8 1 Freescale Semiconductor, Inc... 3 B 5 .014 0.004 M C A B .300 .280 .160 .140 8X .019 .292 .272 .006 .000 .175 .155 .011 .009 0.004 DETAIL G C SEATING PLANE GAGE PLANE .041 .031 DETAIL G 7˚ 0˚ .014 8X CASE 1352-03 ISSUE B CASE 1352-03 ISSUE B DATE 04/14/04 Motorola Sensor Device Data For More Information On This Product, Go to: www.freescale.com MPXY8021A 13 Freescale Semiconductor, Inc. NOTES Freescale Semiconductor, Inc... MPXY8021A 14 For More Information On This Product, Go to: www.freescale.com Motorola Sensor Device Data Freescale Semiconductor, Inc. NOTES Freescale Semiconductor, Inc... Motorola Sensor Device Data For More Information On This Product, Go to: www.freescale.com MPXY8021A 15 Freescale Semiconductor, Inc. Freescale Semiconductor, Inc... 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Minato-ku, Tokyo 106-8573, Japan 81-3-3440-3569 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Centre 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong 852-26668334 HOME PAGE: http://motorola.com/semiconductors MPXY8021A For More Information On This Product, Go to: www.freescale.com