參數資料
型號: MB91133
廠商: Fujitsu Limited
英文描述: 32-Bit RISC Microcontroller
中文描述: 32位RISC微控制器
文件頁數: 43/123頁
文件大?。?/td> 1362K
代理商: MB91133
MB91133/MB91F133
43
Block Diagram of Input/Output Port (with Pull-up Resistance)
Pull-up resistance control register (PCR) R/W
Turns pull-up resistance ON/OFF.
0 : Pull-up resistance turned off
1 : Pull-up resistance turned on
Notes :
The pull-up resistance control register setting is handled as a priority in stop mode (HIZ
=
1) as well.
Use of the pull-up resistance control function is prohibited when the pin concerned is used as the external
bus pin. “1” should not be written in this register.
Data bus
PDR read
0
1
0
1
pin
PDR
DDR
PCR
PDR : Port Data Register
DDR : Data Direction Register
PCR : Pull-up Control Register
Resource input
Pull up resistance
(approximately
50 k
)
Resource output
Resource output
permission
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