3850 Group
Difference between Standard ver. and Spec.A
REJ99B0047-0100
Difference among 3850 Groups ((Spec.Aand Standard ver.) Difference among 3850 Groups Spec.A and Standard ver.)
3850Group(Spec.A)
Related Products M38503M2A-XXXSP/FP M38503M4A-XXXSP/FP M38504M6A-XXXSP/FP M38507M8A-XXXSP/FP M38507F8ASP/FP M38507ARLSS 2 channels; UART/Clock synchronous X 1 Clock synchronous X 1 Serviceable in low-speed mode 9 channels 8 ports : P10-P17 Built in (Port P0 – P4 ) 12.5MHz Mask: 8K,16K,24K,32K Flash: 32K PROM: – Vcc -0.3 to 6.5V
3850 Group(standard ver.)
M38503M2-XXXSP/FP M38503M4-XXXSP/FP M38503E4SP/FP M38503E4SS
Serial I/O
1 channel; UART/Clock synchronous X 1 Unserviceable in low-speed mode 5 channels 5 ports : P13-P17 – 8MHz Mask: 8K,16K Flash:– PROM:16K -0.3 to 7.0V
A-D converter A-D channels Large Current port Software pull-up resister Max.f(XIN) ROM size
Absolute maximum ratings
VI -0.3 to Vcc+0.3V(Mask ROM -0.3 to 13V(Mask ROM version version) and PROM version) CNVss -0.3 to 6.5V(Flash Memory version)
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Differences in Pin configuration Differences in Pin configuration
Differences Spec.A and Standard Version
VCC VREF AVSS P44/INT3/PWM P43/INT2/SCMP2 P42/INT1 P41/INT0 P40/CNTR1 P27/CNTR0/SRDY1 P26/SCLK1 P25/TXD P24/RXD P23 P22 CNVSS Vpp P21/XCIN P20/XCOUT RESET XIN XOUT VSS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40
39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
P30/AN0 P31/AN1 P32/AN2 P33/AN3 P34/AN4 P00/SIN2 P01/SOUT2 P02/SCLK2 P03/SRDY2 P04/AN5 P05/AN6 P06/AN7 P07/AN8 P10/(LED0) P11/(LED1) P12/(LED2) P13/(LED3) P14/(LED4) P15/(LED5) P16/(LED6) P17/(LED7)
VCC VREF AVSS P44/INT3/PWM P43/INT2 P42/INT1 P41/INT0 P40/CNTR1 P27/CNTR0/SRDY1 P26/SCLK1 P25/TXD P24/RXD P23 P22 Vpp CNVSS P21/XCIN P20/XCOUT RESET XIN XOUT VSS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
42
41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
P30/AN0 P31/AN1 P32/AN2 P33/AN3 P34/AN4 P00 P01 P02 P03 P04 P05 P06 P07 P10 P11 P12 P13/(LED0) P14/(LED1) P15/(LED2) P16/(LED3) P17/(LED4)
3850Group Standard ver.
REJ99B0047-0100
3850Group Spec.A
Outline : 42P2R-A/E, 42P4B
Vpp
: Flash memory version,PROM version
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Improvement of Operating Frequency Characteristics Improvement of Operating Frequency Characteristics in 3850 Groups in 3850 Groups Mask version
f(Xin)
high-speed mode 12.5MHz (Φ=6.25MHz) 12.5MHz
Flash/PROM version
f(Xin)
high-speed mode
Spec.A
8.0MHz 6.0MHz (Φ=3.0MHz) 4.0MHz 8.0MHz 6.0MHz 4.0MHz
FLASH (Spec.A)
Standard Spec.H
2.7V 4.0V 5.5V
PROM
(Standard/ Spec.H)
Vcc f(Xin)
2.7V
4.0V
5.5V
Vcc
f(Xin)
middle-speed mode 12.5MHz (Φ=1.56MHz) 8.0MHz (Φ=1.0MHz)
middle-speed mode 12.5MHz
Spec.A
8.0MHz
Spec.A
Standard Spec.H
2.7V 5.5V
PROM
(Standard/ Spec.H)
Vcc
2.7V
5.5V
Vcc
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Notes on converting Standard ver. into Spec.A (1) Notes on converting Standard ver. into Spec.A (1)
1. There are additional registers in Spec.A as following table. These are used for additional function in Spec.A, software pull-up resister,Serial I/O2 and an increase of analog input pin number . When not using the additional functions in Spec.A, take the following (1) or (2) (1) Don’t write any data to the additional registers(or bit). (Keep the initial state after releasing Reset) (2) Write the initial state to the additional registers(or bit) after releasing Reset
Additional Registers in Spec.A
Address 001216 001316 001416 001516 001616 001716 003716 003A16 bit4 Spec.A Port P0P1P2 pull-up control register Port P3 pull-up control register Port P4 pull-up control register Serial I/O2 control register1 Serial I/O2 control register2 Serial I/O2 register Analog input selection register Serial I/O2/INT3 interrupt source selection bit Standard Version – – – Reserved Reserved Reserved – Reserved
• If in the program for Standard ver. any data have been not written to the addresses corresponding to the Spec.A’s additional registers, this program can be used for Spec.A as it is (not requiring to change program codes).
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Notes on converting Standard ver. into Spec.A (2) Notes on converting Standard ver. into Spec.A (2)
2. In Spec.A , Serial I/O2 interrupt request bit and enable bit are combined with those of INT3. Interrupt source can be selected by the Serial I/O2/INT3 interrupt source bit. When the Serial I/O2/INT3 interrupt source bit is “0”(initial state),interrupt source is INT3. This is the same as Standard version.
Address(Register name) 003C16 bit4 (Interrupt request register 1) 003E16 bit4 (Interrupt control register 1) 003A16 bit4 (Interrupt edge selection register) Spec.A Serial I/O2/INT3 interrupt request bit Serial I/O2/INT3 interrupt enable bit Serial I/O2/INT3 interrupt source bit 0:INT3 interrupt 1: Serial I/O2 interrupt Standard Version INT3 interrupt request bit INT3 interrupt enable bit Reserved (Don’t write “1” to this bit)
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Notes on converting Standard ver. into Spec.A (3) Notes on converting Standard ver. into Spec.A (3)
3. Spec.A’s emulator MCU is M38507ARLSS which is under development. When not using the additional functions, it is possible to develop program using M38517RSS 4. In Spec.A,the built-in pull-up resisters can be used for termination of unused pins. 5. There are differences in electric characteristics,operation margin,noise immunity and noise radiation between Spec.A and Standard version due to the difference in the manufacturing processes. When manufacturing an application system with Standard version switching to use of Spec.A, please perform sufficient evaluations for the commercial samples of Spec.A Mask ROM version.
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To our customers,
Old Company Name in Catalogs and Other Documents
On April 1st, 2010, NEC Electronics Corporation merged with Renesas Technology Corporation, and Renesas Electronics Corporation took over all the business of both companies. Therefore, although the old company name remains in this document, it is a valid Renesas Electronics document. We appreciate your understanding.
Renesas Electronics website: http://www.renesas.com
April 1st, 2010 Renesas Electronics Corporation
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