参数资料
型号: MC68HSC05K0P
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PDIP16
封装: PLASTIC, DIP-16
文件页数: 109/154页
文件大小: 1544K
代理商: MC68HSC05K0P
Technical Data
MC68HC05K0 MC68HC05K1 — Rev. 2.0
58
Resets
MOTOROLA
Technical Data
5.4.2 I/O Port Registers
A reset has these effects on input/output (I/O) port registers:
Clears bits DDRA7–DDRA0 in data direction register A so that
port A pins are inputs
Clears bits PDIA7–PDIA0 in pulldown register A, turning on port A
pulldown devices (if pulldown devices are enabled by mask
option)
Clears bits DDRB1 and DDRB0 in data direction register B so that
port B pins are inputs
Clears bits PDIB1 and PDIB0 in pulldown register B, turning on
port B pulldown devices (if pulldown devices are enabled by mask
option)
Has no effect on port A or port B data registers
5.4.3 Timer
A reset has these effects on the multifunction timer:
Clears the timer status and control register
Clears the timer counter register
5.4.4 COP Watchdog
A reset clears the COP watchdog timeout counter.
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