參數(shù)資料
型號： MB90P634A
廠商： Fujitsu Limited
英文描述： 16-bit Proprietary Microcontroller
中文描述： 16位微控制器專有
文件頁數(shù)： 33/107頁
文件大?。?/td> 1589K
代理商： MB90P634A
MB90630A Series
33
Port Resistance Registers
Block Diagram
Notes: Input resistance register R/W
Controls the pull-up resistor in input mode.
0: Pull-up resistor disconnected in input mode.
1: Pull-up resistor connected in input mode.
The setting has no meaning in output mode (pull-up resistor disconnected).
The direction register (DDR) sets input or output mode.
The pull-up resistor is disconnected in hardware standby or stop mode (SPL = 1) (high impedance).
This function is disabled when using an external bus. In this case, do not write to this register.
RD07
RD06
RD05
RD04
RD03
RD02
RD01
RD00
7
6
5
4
3
2
1
0
RDR0
Address: 00001C
H
bit
Initial value
00000000
B
RD17
RD16
RD15
RD14
RD13
RD12
RD11
RD10
15
14
13
12
11
10
9
8
RDR1
Address: 00001D
H
bit
00000000
B
RD67
RD66
RD65
RD64
RD63
RD62
RD61
RD60
7
6
5
4
3
2
1
0
RDR6
Address: 00001E
H
bit
00000000
B
Data register
Direction register
Port I/O
Resistance register
Pull-up resistor (approx. 50 k
)
I
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