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89C535

NXP
Part Number 89C535
Manufacturer NXP
Description CMOS single-chip 8-bit microcontrollers with FLASH program memory
Published Mar 22, 2005
Detailed Description INTEGRATED CIRCUITS 89C535/89C536/89C538 CMOS single-chip 8-bit microcontrollers with FLASH program memory Preliminary ...
Datasheet PDF File 89C535 PDF File

89C535
89C535


Overview
INTEGRATED CIRCUITS 89C535/89C536/89C538 CMOS single-chip 8-bit microcontrollers with FLASH program memory Preliminary specification IC20 Data Handbook 1997 June 05 Philips Semiconductors Philips Semiconductors Preliminary specification CMOS single-chip 8-bit microcontrollers with FLASH program memory 89C535/89C536/89C538 DESCRIPTION The 89C535/89C536/89C538 are Single-Chip 8-Bit Microcontrollers manufactured in advanced CMOS process and are derivatives of the 80C51 microcontroller family.
All the devices have the same instruction set as the 80C51.
The devices also have four 8-bit I/O ports, three 16-bit timer/event counters, a multi-source, two-priority-level, nested interrupt structure, UART and on-chip oscillator and timing circuits.
For systems that require extra data memory capability up to 64k bytes, each can be expanded using standard TTL-compatible memories and logic.
The 89C535/89C536/89C538 contain a non-volatile FLASH EPROM program memory (8K bytes in 89C535, 16k bytes in the 89C536, and 64k bytes in the 89C538).
The devices have 512 bytes of RAM data memory.
LOGIC SYMBOL VCC XTAL1 PORT 0 ADDRESS AND DATA BUS VSS XTAL2 T2 T2EX RST EA/VPP PSEN SECONDARY FUNCTIONS ALE/PROG RxD TxD INT0 INT1 T0 T1 WR RD PORT 1 PORT 2 PORT 3 FEATURES ADDRESS BUS • 80C51 Central Processing Unit • 8k x 8 (89C535) 16k × 8 (89C536) or 64k × 8 (89C538), FLASH EPROM Program Memory SU00830 • 512 × 8 RAM, externally expandable to 64k × 8 Data Memory • Three 16-bit counter/timers • Up to 3 external interrupt request inputs • 6 interrupt sources with 2 priority levels • Four 8-bit I/O ports • Full-duplex UART • Power control modes – Idle mode – Power down mode, with wakeup from power down using external interrupt • 44-pin PLCC and QFP packages ORDERING INFORMATION PART NUMBER P89C535NBA A P89C536NBA A P89C536NBB B P89C538NBA A P89C538NBB B MEMORY SIZE 8k bytes 16k bytes 16k bytes 64k bytes 64k bytes TEMPERATURE RANGE (°C) AND PACKAGE 0 to +70, 44-pin Plastic Leaded Chip...


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