參數(shù)資料
型號(hào)： PCF84C85AT
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Microcontroller with extended I/O
中文描述： 8-BIT, MROM, MICROCONTROLLER, PDSO40
文件頁(yè)數(shù)： 3/20頁(yè)
文件大?。?/td> 115K
代理商： PCF84C85AT
1996 Nov 21
3
Philips Semiconductors
Product specification
Microcontroller with extended I/O
PCF84C85A
1
FEATURES
8-bit CPU, ROM, RAM, I/O in a single 40-lead package
8 kbytes ROM
256 bytes RAM
I
2
C-bus interface with multi-master capability
Over 100 instructions (based on MAB8048)
all of 1 or 2 cycles
32 quasi-bidirectional I/O port lines
8-bit programmable timer/event counter 1
Three single-level vectored interrupts:
– external
– 8-bit programmable timer/event counter 1
– I
2
C-bus
Two test inputs, one of which also serves as the external
interrupt input
Stop and Idle modes
Logic supply voltage: V
DD
= 2.5 to 5.5 V
Clock frequency: 1 to 16 MHz
Operating temperature:
40 to +85
°
C
Manufactured in silicon gate CMOS process.
2
GENERAL DESCRIPTION
This data sheet details the specific properties of the
PCF84C85A. The shared properties of the PCF84CxxxA
family of microcontrollers are described in the
“PCD84xxxA family”data sheet which should be read in
conjunction with this publication.
The PCF84C85A is a general purpose CMOS
microcontroller with emphasis on input/output. It provides
32 I/O port lines, 8 kbytes of program memory and
256 bytes of RAM. In addition to the 32 I/O port lines, the
microcontroller provides an on-chip I
2
C-bus interface. This
two-line serial bus extends the microcontroller's
capabilities when implemented with the powerful I
2
C-bus
peripherals.These include LCD drivers, telecom circuits,
AD/DA converters, clock/calendar circuits, EEPROM and
RAM and are listed in “Data Handbook IC12, I
2
C
Peripherals”
The instruction set is based on that of the MAB8048 and is
a sub-set of that listed in the “PCF84CXXXA family” data
sheet.
3
ORDERING INFORMATION
(see note 1)
Note
1.
Please refer to the Order Entry Form (OEF) for this device for the full type number to use when ordering. This type
number will also specify the required program and the ROM mask options.
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
PCF84C85AP
PCF84C85AT
DIP40
VSO40
plastic dual in-line package; 40 leads (600 mil)
plastic very small outline package; 40 leads
SOT 129-1
SOT 158-1
相關(guān)PDF資料
PDF描述
PCF84C85A Microcontroller with extended I/O
PCF84C85AP Microcontroller with extended I/O
PCF85116-3 2048×8-bit CMOS EEPROM with IIC-bus interface(帶IIC總線接口的2048×8位CMOS EEPROM)
PCF85116-3P 2048 x 8-bit CMOS EEPROM with I2C-bus interface
PCF85116-3T 2048 x 8-bit CMOS EEPROM with I2C-bus interface
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