EF6805P2FN

更新时间： 2024-02-22 05:59:41

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		计算机
页数	文件大小	规格书
31页	375K
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数据手册

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EF6805P2FN 数据手册

EF6805U3

8-BIT MICROCOMPUTER UNIT

HARDWARE FEATURES

DESCRIPTION

32 TTL/CMOS COMPATIBLE I/O LINES

24 BIDIRECTIONAL (8 lines are LED compati-

ble)

8 INPUT-ONLY

3776 BYTES OF USER ROM

112 BYTES OF RAM

The EF6805U3 Microcomputer Unit (MCU) is a

member of the 6805 Family of low-cost single-chip

Microcomputers. The 8-bit microcomputer contains

a CPU, on-chip CLOCK, ROM, RAM, I/O, and TI-

MER. It is designed for the user who needs an eco-

nomical microcomputer with the proven capabilities

of the 6800-based instruction set. A comparison of

thekey features of several members of the 6805 Fa-

mily of Microcomputers is shown at the end of this

data sheet. The following are some of the hardware

and software highlights of the EF6805U3 MCU.

SELF-CHECK MODE

ZERO-CROSSING DETECT/INTERRUPT

INTERNAL 8-BIT TIMER WITH 7-BIT SOFT-

WARE PROGRAMMABLE PRESCALER AND

CLOCK SOURCE

5V SINGLE SUPPLY

SOFTWARE FEATURES

10 POWERFUL ADDRESSING MODES

BYTE EFFICIENT INSTRUCTION SET WITH

TRUE BIT MANIPULATION, BIT TEST, AND

BRANCH INSTRUCTIONS

SINGLE INSTRUCTION MEMORY EXA-

MINE/CHANGE

POWERFUL INDEXED ADDRESSING FOR

TABLES

FULL SET OF CONDITIONAL BRANCHES

MEMORY USABLE AS REGISTER/FLAGS

COMPLETE DEVELOPMENT SYSTEM SUP-

PORT ON INICE

(PDIP40)

(PLCC 44)

PIN CONNECTIONS

USER SELECTABLE OPTIONS

8 BIDIRECTIONAL I/O LINES WITH TTL OR

TTL/CMOS INTERFACE OPTION

8 BIDIRECTIONAL I/O LINES WITH TTL OR O-

PEN-DRAIN INTERFACE OPTION

CRYSTAL OR LOW-COST RESISTOR OSCIL-

LATOR OPTION

LOW VOLTAGE INHIBIT OPTION

VECTORED INTERRUPTS : TIMER, SOFT-

WARE, AND EXTERNAL

USER CALLABLE SELF-CHECK SUBROU-

TINES

1/31

March 1989

12 3 4 5 6 7...31

中文翻译

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EF6805P2FNVD	ETC	获取价格	8-Bit Microcontroller
EF6805P2P	STMICROELECTRONICS	获取价格	暂无描述
EF6805P2PD	STMICROELECTRONICS	获取价格	IC,MICROCONTROLLER,8-BIT,6805 CPU,MOS,DIP,28PIN,PLASTIC
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