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IC80C31-12PL Datasheet

  • IC80C31-12PL

  • CMOS SINGLE CHIP 8-BIT MICROCONTROLLER

  • 44頁

  • ICSI

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IC80C51
IC80C31
CMOS SINGLE CHIP
8-BIT MICROCONTROLLER
FEATURES
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80C51 based architecture
4K x 8 ROM (IC80C51 only)
128 x 8 RAM
Two 16-bit Timer/Counters
Full duplex serial channel
Boolean processor
Four 8-bit I/O ports, 32 I/O lines
Memory addressing capability
鈥?64K ROM and 64K RAM
Program memory lock
鈥?Encrypted verify (32 bytes)
鈥?Lock bits (2)
Power save modes:
鈥?Idle and power-down
Six interrupt sources
Most instructions execute in 0.3 碌s
CMOS and TTL compatible
Maximum speed: 40 MHz @ Vcc = 5V
Packages available:
鈥?40-pin DIP
鈥?44-pin PLCC
鈥?44-pin PQFP
IC80C51
IC80C31
GENERAL DESCRIPTION
The
ICSI
IC80C51 and IC80C31 are high-performance
microcontroller fabricated using high-density CMOS
technology. The CMOS IC80C51/31 is functionally
compatible with the industry standard 80C51/31
microcontrollers.
The IC80C51/31 is designed with 4K x 8 ROM (IC80C51
only); 128 x 8 RAM; 32 programmable I/O lines; a serial I/
O port for either multiprocessor communications, I/O
expansion or full duplex UART; two 16-bit timer/counters;
an six-source, two-priority-level, nested interrupt structure;
and an on-chip oscillator and clock circuit. The IC80C51/31
can be expanded using standard TTL compatible memory.
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P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
RxD/P3.0
TxD/P3.1
INT0/P3.2
INT1/P3.3
T0/P3.4
T1/P3.5
WR/P3.6
RD/P3.7
XTAL2
XTAL1
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VCC
P0.0/AD0
P0.1/AD1
P0.2/AD2
P0.3/AD3
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
ALE
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
P2.4/A12
P2.3/A11
P2.2/A10
P2.1/A9
P2.0/A8
Figure 1. IC80C51/31 Pin Configuration: 40-pin DIP
ICSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any errors
which may appear in this publication. 漏 Copyright 2000, Integrated Circuit Solution Inc.
Integrated Circuit Solution Inc.
MC001-0B
1

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