參數資料
型號: MC68HC05RC17DW
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.097 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數: 84/128頁
文件大?。?/td> 561K
代理商: MC68HC05RC17DW
MC68HC05RC17 Rev. 2.0
General Release Specification
MOTOROLA
Parallel Input/Output (I/O)
59
NON-DISCLOSURE
AGREEMENT
REQUIRED
General Release Specification — MC68HC05RC17
Section 7. Parallel Input/Output (I/O)
7.1 Contents
7.2 Introduction
In user mode, 18 lines are arranged as one 2-bit and two 8-bit I/O ports.
These ports are programmable as either inputs or outputs under
software control of the data direction registers.
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.
Four extra I/O ports are available on higher pin count packages. Consult
factory for availability.
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