aP8910A

Integrated Circuits Inc. A aP8921A/10A PLUS MAKE YOUR PRODUCTION A-PLUS VOICE OTP IC aP8921A – 21sec aP8910A – 10sec APLUS INTEGRATED CIRCUITS INC. Sales E-mail: Address: 3 F-10, No. 32, Sec. 1, Chenggung Rd., Taipei, Taiwan 115, R.O.C. (115)台北市南港區成功路一段 32 號 3 樓之 10. TEL: 886-2-2782-9266 FAX: 886-2-2782-9255 WEBSITE : http: //www.aplusinc.com.tw sales@aplusinc.com.tw Support E-mail: service@aplusinc.com.tw Ver 2.1 1 Apr 3, 2007 Integrated Circuits Inc. FEATURES • • • • • • • • aP8921A/10A Standard CMOS process. Embedded 512K/256K bits EPROM. 21/10 sec Voice Length at 6KHz sampling and 4-bit ADPCM compression. Maximum 12 voice groups. Combination of voice blocks to extend playback duration. 960 table entries are available for voice block combinations. User selectable PCM or ADPCM data compression. Two triggering modes are available (EPROM programmable options). - Key Trigger Mode – Combinations of S1 ~ S4 to trigger 12 Voice Groups; SBT sequential trigger is possible. CPU Parallel Trigger Mode – Combinations of S1 ~ S4 with SBT goes HIGH to strobe start the voice playback. • • • • • • • • • • • Voice Group Trigger Options: Edge / Level; Hold / Un-hold; Retrigger / Non-retrigger. Whole Chip Options: Ramp / No-ramp; Output Options; Key / CPU trigger mode. 16ms (@ 8KHz sampling rate) Debounce Time in Key Trigger Mode. 65us (@ 8KHz sampling rate) Debounce Time in CPU Parallel Trigger Mode. RST pin set to HIGH to stop playback at once. Two user programmable outputs for STOP pulse, BUSY signal and flashing LED. Built-in oscillator to control sampling frequency with an external resistor. 2.6V – 5.0V; Wide range single power supply and < 5uA low stand-by current. PWM Vout1 and Vout2 drive speaker directly. D/A COUT to drive speaker through an external BJT. Development System support voice compilation and options selection. DESCRIPTION aP8921A/10A series high performance Voice OTP is fabricated with Standard CMOS process with embedded 512K/256K bits EPROM. It can store up to 21/10sec voice message with 4-bit ADPCM compression at 6KHz sampling rate. 8-bit PCM is also available as user selectable option. Two trigger modes, simple Key trigger mode and Parallel CPU trigger mode facilitate different user interface. User selectable triggering and output signal options provide maximum flexibility to various applications. Built-in resistor controlled oscillator, 8-bit current mode D/A output and PWM direct speaker driving output minimize the number of external components. PC controlled programmer and developing software are available. Ver 2.1 2 Apr 3, 2007 Integrated Circuits Inc. PIN CONFIGURATIONS aP8921A/10A OUT1 VOUT1 VOUT2 VSS OUT2 V33 COUT OSC 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 RST SBT S4 S3 VDD S2 S1 VPP PIN NAMES PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Ver 2.1 Playback Mode OUT1 VOUT1 VOUT2 VSS OUT2 V33 COUT OSC VPP S1 S2 VDD S3 S4 SBT RST OTP Program Mode OEB VSS IO V33 ACLK VPP S1 S2 VDD S3 S4 PGM DCLK Description Programmable output (I/O pin) PWM output to drive speaker directly PWM output to drive speaker directly Power Ground Programmable output (I/O pin) Power Supply for OTP programming D/A current output Oscillator input Supply voltage for OTP programming Trigger pin (input with internal pull-down) Trigger pin (input with internal pull-down) 2.6 – 5.0V Positive Power Supply Trigger (input with internal pull-down) Trigger (input with internal pull-down) Trigger pin (input with internal pull-down) Reset pin (input with internal pull-down) 3 Apr 3, 2007 Integrated Circuits Inc. PIN DESCRIPTIONS S1 ~ S4 aP8921A/10A Input Trigger Pins: - S1 to S4 is used to trigger the 12 Voice Groups in both Key and CPU Parallel Trigger Mode. - In OTP Programming Mode, S1 to S4 are used as program enable pins. SBT Input Trigger Pin: - In Key Trigger Mode, this pin is trigger pin to trigger the playback of Voice Groups one by one sequentially. - In CPU Parallel Command Mode, this pin is used as address strobe to latch the input from S1 to S4 and starts the voice playback. - In OTP Programming Mode, this pin is used as PGM signal. VDD and V33 Power Supply Pin for normal and programming operation VSS Power Ground Pin VOUT1 and VOUT2 Digital PWM output pins which can drive speaker and buzzer directly for voice playback. OSC During voice playback, an external resistor is connected between this pin and the VDD pin to set the sampling frequency. In OTP Programming Mode, this is the ACLK input signal. VPP No connection during voice playback. separate 6.5V power supply. In OTP Programming Mode, this pin is connected to a OUT1 and OUT2 - In Key Trigger Mode and CPU Parallel Command Mode, these pins are user programmable pins for the STOP pulse, BUSY and LED signals. - During OTP programming, OUT1 serves as OEB while OUT2 serves as data IO. COUT Analog 8-bit current mode D/A output for voice playback RST Chip reset in playback mode or DCLK pin in OTP programming mode. Ver 2.1 4 Apr 3, 2007 Integrated Circuits Inc. VOICE SECTION COMBINATIONS aP8921A/10A Voice files created by the PC base developing system are stored in the built-in EPROM of the aP8921A/10A chip as a number of fixed length Voice Blocks. Voice Blocks are then selected and grouped into Voice Groups for playback. Up to 12 Voice Groups are allowed. A Voice Block Table is used to store the information of combinations of Voice Blocks and then group them together to form Voice Group. Chip Memory size Max no. of Voice Block No. of bytes per Voice Block Max. no. of Voice Group No. of Voice Table entries Voice Length (@ 6KHz 4-bit ADPCM) aP8921A 512K bits 126 512 12 960 21 sec aP8910A 256K bits 126 256 12 960 10 sec Example of Voice Block Combination Assume here we have three voice files, they are “How are You?”, Sound Effect and Music. Each of the voice file is divided into a number of fixed length Voice Block and stored into the memory. Voice File 1 - “How are You?” is stored in Voice Block B0 to B12. Voice File 2 - Sound Effect is stored in Voice Block B13 to B15. Voice File 3 - Music is Voice Block B16 to B40. Voice Blocks are grouped together using Voice Table to form Voice Group for playback: Group no. Group 1 Group 2 Group 3 Group 4 Voice Group contents “How are You?” Sound Effect + “How are You?” “How are You?” + Music Music Voice Table Entries B0 … B12 B13 … B15 + B0 … B12 B0 … B12 + B16 … B40 B16 … B40 Voice Data Compression Voice File data is stored in the on-chip EPROM as either 4-bit ADPCM or 8-bit PCM format. Voice data stored as 4-bit ADPCM provides 2:1 data compression which can save 50% of memory space. On the other hand, voice data are stored as 8-bit PCM format means no data compression is employed but voice playback quality will be better. Ver 2.1 5 Apr 3, 2007 Integrated Circuits Inc. Programmable Options aP8921A/10A In both Key Trigger Mode and CPU Parallel Trigger Mode, user can select different trigger functions and output signals to be sent out from the pins OUT1 and OUT2. Options affect all Voice Group playback are called Whole Chip Options. Options only affect the playback of individual Voice Group are called Group Options. Whole Chip Options • • Key or CPU Parallel Trigger Mode. Ramp-up-down enable or disable: When COUT is used for playback, Ramp-up-down should be enabled. This function eliminates the ‘POP’ noise at the beginning and end of voice playback. When VOUT1 and VOUT2 are used to drive speaker directly, Ramp-up-down should be disabled. Fig. 1 Ramp-up-down Enable • Fig.2 Ramp-up-down Disable Output Options: This option sets up the three output pins OUT1 and OUT2 to send out different signals during voice playback. Four settings are allowed: aP8910A OUT1 Option 1 Option 2 Option 3 Option 4 LED2 STOP LED2 OUT2 LED1 LED1 BUSY OUT1 LED2 LED2 LED2 STOP aP8921A OUT2 LED1 STOP BUSY BUSY Note: Stop plus must be set to enable in order to have STOP plus to come out. Fig. 3 Ver 2.1 6 Output waveforms Apr 3, 2007 Integrated Circuits Inc. Group Options aP8921A/10A They are: User selectable options that affect each individual group are called Group Options. • • • • Edge or Level trigger Unholdable or Holdable trigger Re-triggerable or non-retriggerable Stop pulse disable or enable Fig. 4 to Fig. 9 show the voice playback with different combination of triggering mode and the relationship between outputs and voice playback. Fig. 4 Level, Unholdable, Non-retriggerable Fig. 5 Level Holdable Fig. 6 Ver 2.1 SBT sequential trigger with Level Holdable and Unholdable 7 Apr 3, 2007 Integrated Circuits Inc. aP8921A/10A Fig. 7 Edge, Unholdable, Non-retrigger Fig. 8 Edge, Holdable Fig. 9 SBT sequential trigger with Edge Holdable and Unholdable Ver 2.1 8 Apr 3, 2007 Integrated Circuits Inc. Overlap trigger is supported with Level/Unholdable trigger options: aP8921A/10A Fig. 10 Overlap trigger Ver 2.1 9 Apr 3, 2007 Integrated Circuits Inc. TRIGGER MODES aP8921A/10A Two trigger modes, the KEY and CPU modes, are available for aP8921A/10A series which are determined by setting the EPORM programmable options during voice data compilation. For both trigger modes, up to 12 Voice Groups are being played back according to the following setting of trigger pins S1 to S4. Voice Group 1 2 3 4 5 6 7 8 9 10 11 12 S1 HIGH NC NC NC HIGH NC NC HIGH HIGH NC HIGH HIGH S2 NC HIGH NC NC HIGH HIGH NC NC HIGH HIGH NC HIGH S3 NC NC HIGH NC NC HIGH HIGH NC HIGH HIGH HIGH NC S4 NC NC NC HIGH NC NC HIGH HIGH NC HIGH HIGH HIGH Note: Where NC (open or no connection) should be replaced by a logic input LOW in CPU Parallel Trigger Mode. Key Trigger Mode With this trigger mode, up to 12 Voice Groups are triggered by setting S1 to S4 to HIHG or NC in different combinations. Each Voice Group can have its only independent trigger options (See Fig. 4, 5, 7 and 8 for trigger options definition). Voice Groups can also be triggered sequentially by setting SBT pin to HIGH. Ver 2.1 10 Apr 3, 2007 Integrated Circuits Inc. CPU Parallel Trigger Mode aP8921A/10A In this mode, S1 to S4 are set to HIGH or LOW according to the table above and followed by setting the SBT input pin to HIGH, the corresponding Voice Group will be triggered. Trigger options defined in Fig. 4, 5, 7 and 8 are valid for this mode. Fig. 11 CPU Parallel Trigger Mode In stead, it Note that SBT pin cannot be used as Single Button Sequential trigger in this mode. acts as a Strobe input to clock-in the data input from S1 to S4 into the chip. Voice Groups address is determined by the Voice Group Trigger Table. S1..S4 = 1000 for Voice Group #1 S1..S4 = 0100 for Voice Group #2 ••• S1..S4= 1100 for Voice Group #5 ••• S1..S4 = 1110 for Voice Group #9 ••• S1..S4 = 1101 for Voice Group #12 For example: Ver 2.1 11 Apr 3, 2007 Integrated Circuits Inc. BLOCK DIAGRAM aP8921A/10A ABSOLUTE MAXIMUM RATINGS Symbol VDD - VSS VIN VOUT T (Operating): T (Junction) T (Storage) Rating -0.5 ~ +6 Unit V V V ℃ ℃ ℃ VSS - 0.3