参数资料
型号: M38827G5HP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80
封装: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件页数: 7/62页
文件大小: 606K
代理商: M38827G5HP
Rev.1.01
Nov 14, 2005
page 15 of 60
REJ03B0089-0101
3882 Group
Fig. 10 Port block diagram (1)
(1) Ports P0, P1
Data bus
Port latch
P00–P03,
P04–P07,
P10–P13,
P14–P17 output structure
selection bits
Direction
register
(2) Port P20–P27
Data bus
Port latch
Direction
register
1. Reading the port P8 register (address 001016) is switched to port P4 pin input level by the P8 function selection bit of the port control
register 2 (PCTL2).
(4) Port P40, P41
(5) Ports P42, P43
P4 output structure selection bit
Data bus
Port latch
1
Direction
register
Interrupt input
(3) Ports P30–P37
P30–P33,
P34–P37 pull-up control bit
Data bus
Port latch
Direction
register
Key-on wake-up input
Data bus
Port latch
Direction
register
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