EF6805P2 datasheet(1/31 Pages) STMICROELECTRONICS

номер детали	EF6805P2

подробное описание детали	8-BIT MICROCOMPUTER UNIT

PDF	31 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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EF6805U3

March 1989

8-BIT MICROCOMPUTER UNIT

.

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

.

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

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

HARDWARE FEATURES

DESCRIPTION

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

the key 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.

1

PIN CONNECTIONS

FN

(PLCC 44)

P

(PDIP40)

1/31

Аналогичный номер детали - EF6805P2

производитель	номер детали	датащи	подробное описание детали
STMicroelectronics	EF6801	2Mb / 49P	MICROCOMPUTER / MICROPROCESSOR (MCU/MPU)
	EF6803	2Mb / 49P	MICROCOMPUTER / MICROPROCESSOR (MCU/MPU)
	EF6804J2	1Mb / 35P	8-BIT MICROCOMPUTER
	EF6804J2CLD	1Mb / 35P	8-BIT MICROCOMPUTER
	EF6804J2CTD	1Mb / 35P	8-BIT MICROCOMPUTER

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Аналогичное описание - EF6805P2

производитель	номер детали	датащи	подробное описание детали
Mitsubishi Electric Sem...	M50734SP	2Mb / 44P	8-BIT CMOS MICROCOMPUTER????
Motorola, Inc	MC68705P3	670Kb / 18P	8-Bit EPROM Microcomputer Unit
Hitachi Semiconductor	HD63701Y0	1Mb / 73P	CMOS 8-BIT SINGLE-CHIP MICROCOMPUTER UNIT
Hitachi Semiconductor	HD63705V0	1Mb / 35P	8-BIT CMOS SINGLE CHIP MICROCOMPUTER UNIT(MCU)
Motorola, Inc	MC146805F2	3Mb / 20P	8-BIT MICROCOMPUTER UNIT
STMicroelectronics	EF6804J2	1Mb / 35P	8-BIT MICROCOMPUTER
List of Unclassifed Man...	PIC1665	430Kb / 10P	8-Bit Development Microcomputer
Renesas Technology Corp	H83637S	1Mb / 418P	8-Bit Microcomputer
NXP Semiconductors	MC68HC05C4	552Kb / 40P	8-Bit Microcomputer Unit (MCU) Rev. 4.3
NXP Semiconductors	MC68HC05T1	3Mb / 40P	8-Bit Microcomputer Unit

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