参数资料
型号: S3P9664-SK
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO20
封装: 0.300 INCH, SOP-20
文件页数: 92/148页
文件大小: 784K
代理商: S3P9664-SK
S3C9664/P9664 (Preliminary Spec)
CONTROL REGISTERS
4-23
P0PURL — Port 0 Pull-up/down Enable Register (Low byte)
Page 0, E4H
Bit Identifier
.7
.6
.5
.4
.3
.2
.1
.0
RESET
RESET Value
0
Read/Write
R/W
.7 and .6
Port 0.3 Pull-up/down bits
0
Enable Pull-up
0
1
Enable Pull-down
1
0
Disable Pull-up/down
1
Disable Pull-up/down
.5 and .4
Port 0.2 Pull-up/down bits
0
Enable Pull-up
0
1
Enable Pull-down
1
0
Disable Pull-up/down
1
Disable Pull-up/down
.3 and .2
Port 0.1 Pull-up/down bits
0
Enable Pull-up
0
1
Enable Pull-down
1
0
Disable Pull-up/down
1
Disable Pull-up/down
.1 and .0
Port 0.0 Pull-up/down bits
0
Enable Pull-up
0
1
Enable Pull-down
1
0
Disable Pull-up/down
1
Disable Pull-up/down
NOTE: Pull –up/down resister is to be automatically disabled on Push-Pull Output mode and Open drain Output mode .
Otherwise, which can be enabled in all input modes.
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