GMS90 데이터 시트보기 (PDF) - Hyundai Micro Electronics

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GMS90

8-BIT SINGLE-CHIP MICROCONTROLLERS

Hyundai Micro Electronics 

GMS90 Series

FUNCTIONAL DESCRIPTION

The GMS90 series is fully compatible to the standard 8051 microcontroller family.

It is compatible with the general 8051 family. While maintaining all architectural and operational characteristics

of the general 8051 family.

Figure 1 shows a block diagram of the GMS90 series

XTAL1

XTAL2

RESET

EA/VPP

ALE/PROG

PSEN

OSC & TIMING

CPU

Timer 0

Timer 1

Timer 2

Interrupt Unit

Serial Channel

RAM

128/256×8

ROM/EPROM

4K/8K/16K

24K/32K

Port 0

Port 1

Port 2

Port 3

Port 0

8-bit Digit. I/O

Port 1

8-bit Digit. I/O

Port 2

8-bit Digit. I/O

Port 3

8-bit Digit. I/O

Figure 1. Block Diagram of the GMS90 series

Oct. 2000 Ver 3.1a

11

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