ST7293 datasheet(62/69 Pages) STMICROELECTRONICS

부품명	ST7293

상세설명	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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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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ST7293

1 GENERAL DESCRIPTION

1.1 INTRODUCTION

The ST7293 is a HCMOS microcontroller unit

(MCU) from the ST7 family. It is based around an

industry standard 8 bit core and offers an en-

hanced instruction set. The processor runs with an

external clock at 8MHz with a 5V supply and

4MHz with a 3.0V supply. Due to the fully static

design of this device, operation down to DC is

possible. Under software control the ST7293 can

be placed in WAIT or HALT mode thus reducing

power consumption. The enhanced instruction set

and addressing modes afford real programming

potential. In addition to standard 8 bit data man-

agement the ST7293 features true bit manipula-

tion, 8x8 unsigned multiplication and indirect ad-

dressing modes. The device includes an on-chip

oscillator, CPU, ROM, RAM, EEPROM, I/O and

one timer with one input capture and two output

compare systems.

Figure 2. ST7293 Block Diagram

CONTROL

PORT A

PORT B

PORT C

TIMER SYSTEM

RAM

128 Bytes

ROM

3,25 kbytes

PA0 - PA7

(8-Bit)

PB0 - PB7

(8-Bit)

PC0 - PC5

(6-Bit)

OSCin

OSCout

INT

RESET

OSCILLATOR

POWER

SUPPLY

8 -BIT CORE

ALU

VR01735A

Internal

CLOCK

WATCHDOG

EEPROM

128 Bytes

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