M3850 Datasheet, PDF (1/88 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

3850 Group (Spec.A)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0093-0210
Rev.2.10
Nov 14, 2005
DESCRIPTION
The 3850 group (spec. A) is the 8-bit microcomputer based on the
740 family core technology.
The 3850 group (spec. A) is designed for the household products
and office automation equipment and includes serial interface
functions, 8-bit timer, and A/D converter.
FEATURES
qBasic machine-language instructions ...................................... 71
qMinimum instruction execution time ................................ 0.32 µs
(at 12.5 MHz oscillation frequency)
qMemory size
ROM ................................................................... 8K to 32K bytes
RAM ..................................................................... 512 to 1K bytes
qProgrammable input/output ports ............................................ 34
qOn-chip software pull-up resistor
qInterrupts ................................................. 15 sources, 14 vectors
qTimers ............................................................................. 8-bit ✕ 4
qSerial interface
Serial I/O1 .................... 8-bit ✕ 1(UART or Clock-synchronized)
Serial I/O2 ................................... 8-bit ✕ 1(Clock-synchronized)
qPWM ............................................................................... 8-bit ✕ 1
qA/D converter ............................................... 10-bit ✕ 9 channels
qWatchdog timer ............................................................ 16-bit ✕ 1
qClock generating circuit ..................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
qPower source voltage
In high-speed mode .................................................. 4.0 to 5.5 V
(at 12.5 MHz oscillation frequency)
In high-speed mode .................................................. 2.7 to 5.5 V
(at 6 MHz oscillation frequency)
In middle-speed mode ............................................... 2.7 to 5.5 V
(at 12.5 MHz oscillation frequency)
In low-speed mode .................................................... 2.7 to 5.5 V
(at 32 kHz oscillation frequency)
qPower dissipation
In high-speed mode
Except M38507F8AFP/SP ............................................. 32.5mW
M38507F8AFP/SP ......................................................... 37.5mW
(at 12.5 MHz oscillation frequency, at 5 V power source voltage)
In low-speed mode
Except M38507F8AFP/SP ................................................ 60 µW
M38507F8AFP/SP .......................................................... 450 µW
(at 32 kHz oscillation frequency, at 3 V power source voltage)
qOperating temperature range .................................... –20 to 85°C
APPLICATION
Office automation equipment, FA equipment, Household products,
Consumer electronics, etc.
PIN CONFIGURATION (TOP VIEW)
VCC
1
VREF
2
AVSS
3
P44/INT3/PWM
4
P43/INT2/SCMP2
5
P42/INT1
6
P41/INT0
7
P40/CNTR1
8
P27/CNTR0/SRDY1
9
P26/SCLK1
10
P25/TxD
11
P24/RxD
12
P23
13
P22
14
VPP CNVSS
15
P21/XCIN
16
P20/XCOUT
17
RESET
18
XIN
19
XOUT
20
VSS
21
42
P30/AN0
41
P31/AN1
40
P32/AN2
39
P33/AN3
38
P34/AN4
37
P00/SIN2
36
P01/SOUT2
35
P02/SCLK2
34
P03/SRDY2
33
P04/AN5
32
P05/AN6
31
P06/AN7
30
P07/AN8
29
P10(LED0)
28
P11(LED1)
27
P12(LED2)
26
P13(LED3)
25
P14(LED4)
24
P15(LED5)
23
P16(LED6)
22
P17(LED7)
: Flash memory version
Package type : FP ........................... PRSP0042GA-B (42P2R-A/E) (42-pin plastic-molded SSOP)
Package type : SP ........................... PRDP0042BA-A (42P4B) (42-pin plastic-molded SDIP)
Fig. 1 M3850XMXA-XXXFP/SP pin configuration
Rev.2.10 2005.11.14 page 1 of 86
REJ03B0093-0210