M3858 Datasheet, PDF (1/77 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

3858 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0139-0110
Rev.1.10
Apr 3, 2006
DESCRIPTION
The 3858 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 3858 group is designed for the household products and office
automation equipment and includes serial interface functions, 8-bit
timer, 16-bit timer, and A/D converter.
FEATURES
qBasic machine-language instructions ...................................... 71
qMinimum instruction execution time .................................. 0.5 µs
(at 8 MHz oscillation frequency)
qMemory size
ROM ............................................................................ 48 K bytes
RAM ............................................................................ 1.5 K bytes
qProgrammable input/output ports ............................................ 34
qOn-chip software pull-up resistor
qInterrupts ................................................. 19 sources, 16 vectors
(external 8, internal 10, software 1)
qTimers ............................................................................. 8-bit ✕ 4
...................................................................................... 16-bit ✕ 2
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 ................................................. 8-bit ✕ 9 channels
qClock generating circuit ..................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
qWatchdog timer ............................................................ 16-bit ✕ 1
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, at middle-speed mode)
In low-speed mode .................................................... 2.7 to 5.5 V
(at 32 kHz oscillation frequency)
qOperating temperature range .................................... –20 to 85°C
APPLICATION
Office automation equipment, Factory automation 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/CNTR3
13
P22/CNTR2
14
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)
Package type : PRDP0042BA-A (42P4B)
PRSP0042GA-B (42P2R-A/E)
Fig. 1 Pin configuration of M3858XGX-XXXFP/SP
Rev.1.10 Apr 3, 2006 page 1 of 75
REJ03B0139-0110