參數資料
型號: MC68HSC05C8FB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數: 106/156頁
文件大?。?/td> 1755K
代理商: MC68HSC05C8FB
MC68HC05C8A — Rev. 4.0
Advance Information
MOTOROLA
Input/Output (I/O) Ports
53
Advance Information — MC68HC05C8A
Section 7. Input/Output (I/O) Ports
7.1 Contents
7.2 Introduction
The MC68HC05C8A has three 8-bit input/output (I/O) ports.These 24
port pins are programmable as either inputs or outputs under software
control of the data direction registers. Port D does not have a data
direction register, and its seven pins are input only with the exception of
certain serial communications (SCI)/serial peripheral interface (SPI)
functions.
NOTE:
To avoid a glitch on the output pins, write data to the I/O port data
register before writing a 1 to the corresponding data direction register.
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