ST7294 datasheet(1/69 Pages) STMICROELECTRONICS

Teilenummer	ST7294

Bauteilbeschribung	8-BIT MCU WITH 6K ROM, EEPROM AND 16-BIT TIMER WITH INPUT CAPTURE AND DUAL OUTPUT COMPARE

PDF	69 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 69 page

September 1995

1/69

Figure 1. Pin Description

INT

RESET

OSCin

OSCout

PB7

PB6

PB5

PB4

PB3

PB2

PB1

PB0

PC5

V

PA0

PA1

PA2

PA3

PA4

PA5

PA6

PA7

PC0 (ICAP)

PC1 (OCMP1)

PC2

PC3

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

VR0A1734

DD

VSS

PC4

(1)

PDIP28

PSO28

(See end of Datasheet for Ordering Information)

ST7294

8-BIT MCU WITH 6K ROM, EEPROM AND 16-BIT TIMER WITH

INPUT CAPTURE AND DUAL OUTPUT COMPARE

n 2.5 to 5.5V Supply Operating Range

n 4MHz Maximum Clock Frequency

n Fully Static operation

n -40

° to +85°C Operating Temperature Range

n Run, Wait, Stop and RAM Retention modes

n User ROM:

6,144 bytes

n Data RAM:

224 bytes

n EEPROM:

256 bytes

n 28 pin Dual-in-Line and SO plastic packages

n 22 Bidirectional I/O lines

n 6 Interrupt Wake-Up programmable input lines

n 16-bit Timer with Input Capture and dual

Output Compare

n 2V RAM Data Retention mode

n Master Reset and Power-On Reset

n Maskable Options for:

– Input Capture (ICAP) and Output Compare

(OCMP) signal pinouts

– PORT C Wake-Up function

– PORT A Open-Drain outputs

– PORTS A and B input Pull-Ups

– Watchdog Enabled/Disabled following Reset

– Watchdog Enabled during WAIT mode

n 8-bit Data Manipulation

n 63 Basic Instructions

n 17 main Addressing Modes

n 8x8 Unsigned Multiply instruction

n True Bit Manipulation

n Complete Development Support on PC/DOS

Real-Time Emulator

n Full

Software Package

(Cross-Assembler,

Debugger)

n Full Hardware Emulator

n EPROM and OTP support

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