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HMS99C51 Datasheet 8-BIT SINGLE-CHIP MICROCONTROLLERS

Manufacturer: SK Hynix

Overview

HYNIX SEMICONDUCTOR INC.

8-BIT SINGLE-CHIP MICROCONTROLLERS HMS99C51 HMS99C52 User’s Manual (Ver.

1.0) Version 1.0 Published by MCU Application Team 2002 Hynix semiconductor All right reserved.

Key Features

  • of the 80C51 family, as listed below. P3.0 / RxD receiver data input (asynchronous) or data input output(synchronous) of serial interface 0 transmitter data output (asynchronous) or clock output (synchronous) of the serial interface 0 interrupt 0 input/timer 0 gate control interrupt 1 input/timer 1 gate control counter 0 input counter 1 input the write control signal latches the data byte from port 0 into the external data memory the read control signal enables the external data memory to port 0.