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| 型號： | 935260531512 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 23/67頁 |
| 文件大小： | 400K |
| 代理商： | 935260531512 |
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1998 Apr 07
3
Philips Semiconductors
Product specication
8-bit Flash microcontrollers
P89C738; P89C739
1
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.
2
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
s.
Multiply and divide instructions require 3
s.
3
ORDERING INFORMATION
Notes
1. Temperature and frequency range for all types: 0 to 70
°C and 3.5 to 40 MHz.
2. For more information on the package outline of this version, please contact the Philips Semiconductors Sales office.
TYPE
NUMBER(1)
PACKAGE
NAME
DESCRIPTION
VERSION
P89C738ABA
PLCC44
plastic leaded chip carrier; 44 leads
note 2
P89C738ABP
DIP40
plastic dual in-line package; 40 leads (600 mil)
SOT129-1
P89C738ABB
QFP44
plastic quad at package; 44 leads
note 2
P89C739ABA
PLCC68
plastic leaded chip carrier; 68 leads
note 2
P89C739ABB
QFP64
plastic quad at package; 64 leads (lead length 1.95 mm);
body 14
× 20 × 2.7 mm; high stand-off height
SOT319-1
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