Samsung 8-Bit CMOS Microcontroller Microcassette Recorder User Manual


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I/O PORTS S3C9228/P9228
9-10
Port 2 Pull-up Control Register (P2PUR)
F4H, Page 0, R/W
.7 .6 .5 .4 .3 .2 .1 .0MSB LSB
P2PUR bit configuration settings:
0
1
Enable pull-up resistor
Disable pull-up resistor
Not used P2.3 P2.2 P2.1 P2.0
Figure 9-13. Port 2 Pull-up Control Register (P2PUR)
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