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| 型號(hào)： | IS80LV52-40WI |
| 廠商： | INTEGRATED SILICON SOLUTION INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CMOS SINGLE CHIP LOW VOLTAGE 8-BIT MICROCONTROLLER |
| 中文描述： | 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-40 |
| 文件頁數(shù)： | 1/48頁 |
| 文件大?。?/td> | 408K |
| 代理商： | IS80LV52-40WI |
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IS80LV52
IS80LV32
CMOS SINGLE CHIP
LOW VOLTAGE
8-BIT MICROCONTROLLER
Integrated Silicon Solution, Inc. — 1-800-379-4774
ADVANCE INFORMATION
MC019-0A
10/01/98
1
This document contains ADVANCE INFORMATION data. 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.
ADVANCE INFORMATION
OCTOBER 1998
FEATURES
80C51 based architecture
8K x 8 ROM (IS80LV52 only)
256 x 8 RAM
Three 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
Program memory lock
– Encrypted verify (32 bytes)
– Lock bits (2)
Power save modes:
– Idle and power-down
Eight interrupt sources
Most instructions execute in 0.3
μ
s
CMOS and TTL compatible
Maximum speed: 40 MHz @ Vcc = 3.3V
Industrial temperature available
Packages available:
– 40-pin DIP
– 44-pin PLCC
– 44-pin PQFP
GENERAL DESCRIPTION
The
ISSI
IS80LV52 and IS80LV32 are high-performance
microcontrollers fabricated using high-density CMOS
technology. The CMOS IS80LV52/32 is functionally
compatible with the industry standard 8052/32
microcontrollers.
The IS80LV52/32 is designed with 8K x 8 ROM (IS80LV52
only); 256 x 8 RAM; 32 programmable I/O lines; a serial
I/O port for either multiprocessor communications, I/O
expansion or full duplex UART; three 16-bit timer/counters;
an eight-source, two-priority-level, nested interrupt
structure; and an on-chip oscillator and clock circuit. The
IS80LV52/32 can be expanded using standard TTL
compatible memory.
Figure 1. IS80LV52/32 Pin Configuration:
40-pin PDIP
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
T2/P1.0
T2EX/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
V
CC
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
ISSI
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