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Integrated Silicon Solution Electronic Components Datasheet

IS80C51-40PQ Datasheet

CMOS SINGLE CHIP 8-BIT MICROCONTROLLER

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IISS808C051C51
IISS808C031C31
CMOS SINGLE CHIP
8-BIT MICROCONTROLLER
ISSISISI®®
NOVEMBER 1998
FEATURES
• 80C51 based architecture
• 4K x 8 ROM (IS80C51 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
– 64K ROM and 64K RAM
• Power save modes:
– Idle and power-down
• Six interrupt sources
• Most instructions execute in 0.3 µs
• CMOS and TTL compatible
• Maximum speed: 40 MHz @ Vcc = 5V
• Industrial temperature available
• Packages available:
– 40-pin DIP
– 44-pin PLCC
– 44-pin PQFP
GENERAL DESCRIPTION
The ISSI IS80C51 and IS80C31 are high-performance
microcontrollers fabricated using high-density CMOS
technology. The CMOS IS80C51/31 is functionally
compatible with the industry standard 80C51
microcontrollers.
The IS80C51/31 is designed with 4K x 8 ROM (IS80C51
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;
a six-source, two-priority-level, nested interrupt structure;
and an on-chip oscillator and clock circuit. The
IS80C51/31 can be expanded using standard TTL
compatible memory.
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 VCC
39 P0.0/AD0
38 P0.1/AD1
37 P0.2/AD2
36 P0.3/AD3
35 P0.4/AD4
34 P0.5/AD5
33 P0.6/AD6
32 P0.7/AD7
31 EA/VPP
30 ALE/PROG
29 PSEN
28 P2.7/A15
27 P2.6/A14
26 P2.5/A13
25 P2.4/A12
24 P2.3/A11
23 P2.2/A10
22 P2.1/A9
21 P2.0/A8
Figure 1. IS80C51/31 Pin Configuration: 40-pin PDIP
ISSI 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. © Copyright 1998, Integrated Silicon Solution, Inc.
Integrated Silicon Solution, Inc. — 1-800-379-4774
MC003-1D
11/19/98
1


Integrated Silicon Solution Electronic Components Datasheet

IS80C51-40PQ Datasheet

CMOS SINGLE CHIP 8-BIT MICROCONTROLLER

No Preview Available !

IS80C51
IS80C31
ISSI ®
INDEX
6 5 4 3 2 1 44 43 42 41 40
P1.5 7
39 P0.4/AD4
P1.6 8
38 P0.5/AD5
P1.7 9
37 P0.6/AD6
RST 10
36 P0.7/AD7
RxD/P3.0 11
35 EA/VPP
NC 12
TxD/P3.1 13
TOP VIEW
34 NC
33 ALE/PROG
INT0/P3.2 14
32 PSEN
INT1/P3.3 15
31 P2.7/A15
T0/P3.4 16
30 P2.6/A14
T1/P3.5 17
29 P2.5/A13
18 19 20 21 22 23 24 25 26 27 28
Figure 2. IS80C51/31 Pin Configuration: 44-pin PLCC
2 Integrated Silicon Solution, Inc. — 1-800-379-4774
MC003-1D
11/19/98


Part Number IS80C51-40PQ
Description CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
Maker Integrated Silicon Solution Inc
Total Page 30 Pages
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