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IN80C51N

Integral
Part Number IN80C51N
Manufacturer Integral
Description CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
Published Feb 17, 2011
Detailed Description IN80C31N/IN80C51N CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER The 80C31/80C51 is a high-performance microcontroller fabricate...
Datasheet PDF File IN80C51N PDF File

IN80C51N
IN80C51N

Overview
IN80C31N/IN80C51N CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER The 80C31/80C51 is a high-performance microcontroller fabricated with high-density CMOS technology.
The 80C51 contains a 4k x 8 ROM , a 128 x 8 RAM , 32 I/O lines, two 16-bit counter/timers, a five-source, two-priority level nested interrupt structure, a serial I/O port for either multi-processor communications, I/O expansion or full duplex UART, and onchip oscillator and clock circuits.
The device has two software selectable modes of power reduction  idle mode and power-down mode.
The idle mode freezes the CPU while allowing the RAM, timers, serial port, and interrupt system to continue functioning.
The power-down mode saves the RAM contents but freezes the oscillator, causing all other chip functions to be inoperative.
FEATURES 8031/8051 compatible  4k x 8 ROM (80C51)  ROMless (80C31)  128 x 8 RAM  Two 16-bit counter/timers  Full duplex serial channel  Boolean processor • Memory addressing capability  64k ROM and 64k RAM • Power control modes:  Idle mode  Power-down mode • • CMOS and TTL compatible Two speed ranges at VCC=5V  12 MHz  16 MHz (MCS-51 family) PIN CONFIGURATIONS P 1 .
0 P 1 .
1 P 1 .
2 P 1 .
3 P 1 .
4 P 1 .
5 P 1 .
6 P 1 .
7 R ST R x D /P 3 .
0 T x D /P 3 .
2 I N T 0 /P 3 .
2 I N T 1 /P 3 .
3 T 0 /P 3 .
4 T 1 /P 3 .
5 W R /P 3 6 R D /P 3 .
7 XTAL2 XTAL1 V ss 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 P L A S T IC DUAL IN - L IN E PAC KAGE 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 V cc P 0 .
0 /A D 0 P 0 .
1 /A D 1 P 0 .
2 /A D 2 P 0 .
3 /A D 3 P 0 .
4 /A D 4 P 0 .
5 /A D 5 P 0 .
6 /A D 6 P 0 .
7 /A D 6 EA ALE PSEN P 2 .
7 /A 1 5 P 2 .
6 /A 1 4 P 2 .
5 /A 1 3 P 2 .
4 /A 1 2 P 2 .
3 /A 1 1 P 2 .
2 /A 1 0 P 2 .
1 /A 9 P 2 .
0 /A 8 www.
DataSheet4U.
com 1 IN80C31N/IN80C51N CMOS single-chip 8-bit microcontroller 80C31/80C51 DC ELECTRICAL CHARACTERISTICS FOR INTEGRAL DEVICES T=-10 oC to + 70oC; Vcc= 5V ± 10% Parameter Symbol Vcc Icc Icc1 Ipd Vil Vili Vih Vih1 -Iil ±Itl ±Ili Vol Vol1 Voh Voh1 ...


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