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P89C738ABA1B, P89C738ABP, P89C738ABP/A

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Info of P89C738ABA1B
Info of P89C738ABP
Info of P89C738ABP/A

P89C738ABA1B, P89C738ABP, P89C738ABP/A Selling Leads, Datasheet

MFG:PHILIPS Package Cooled:PLCC D/C:08+/09+

P89C738ABA1B, P89C738ABP, P89C738ABP/A Picture

P89C738ABA1B, P89C738ABP, P89C738ABP/A Datasheet download

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Part Number: P89C738ABA1B

MFG: PHILIPS

Package Cooled: PLCC

D/C: 08+/09+

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P89C738ABP General Description

The P89C738 and P89C739 (hereafter generally referred to as P89C738 unless the P89C739 is specifically mentioned) are 8 8-bit Flash microcontrollers manufactured in an advanced CMOS process and is a derivative of the PCB80C51 microcontroller family. This device provides architectural enhancements that make it applicable in a variety of applications in general control systems, especially in those systems which need a large on-chip ROM and RAM capacity.

The P89C738 contains a non-volatile 64-kbyte Multiple Programming ROM (MTP-ROM) program memory, a volatile 512 bytes read/write data memory, four 8-bit I/O ports (six for the P89C739), two 16-bit timer/event counters (identical to the timers of the 80C51), a 16-bit timer (identical to the Timer 2 of the 8052), a multi-source two-priority-level nested interrupt structure, one serial interface (UART), a Watchdog Timer (T3), an on-chip oscillator and timing circuits. For systems that require extra capability, the P89C738 can be expanded using standard TTL compatible memories and logic.

The device also functions as an arithmetic processor having facilities for both binary and BCD arithmetic plus bit-handling capabilities. The P89C738 has the same instruction set as the PCB80C51 which consists of over 100 instructions: 49 one-byte, 46 two-byte and 16 three-byte. With a 16 MHz crystal, 58% of the instructions are executed in 750 ns and 40% in 1.5 ms. Multiply and divide instructions require 3 s.

P89C738ABP Features

` 80C51 CPU
` 64-kbyte on-chip Multiple Programming ROM (MTP-ROM), expandable externally to 64 kbytes program memory address space
` 512-byte on-chip RAM, expandable externally to 64 kbytes data memory address space
` P89C738 pin outs fully compatible to the standard 8051/8052
` 8-bit I/O ports for P89C738: 4 and P89C739: 6
` Full-duplex UART compatible with the standard 80C51 and the 8052
` Two standard 16-bit timers/event counters
` An additional 16-bit timer (functionally equivalent to the Timer 2 of the 8052)
` On-chip Watchdog Timer (T3)
` 6-source and 6-vector interrupt structure with 2 priority levels
` Up to 3 external interrupt request inputs
` Two programmable power reduction modes: Idle and Power-down
` Termination of Idle mode by any interrupt, external or Watchdog Timer reset
` Wake-up from Power-down by external interrupt, external or Watchdog Timer reset
` Packages,
P89C738: DIP40, PLCC44 and QFP44
P89C739: PLCC68 and QFP64
` Improved Electromagnetic Compatibility (EMC)
` Frequency range: 3.5 to 40 MHz
` ROM code protection.

P89C738ABP Connection Diagram

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