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Chapter 4 I/O Ports
Port 1
01245673
P1TCNT
P1CNT3 P1CNT2
P1CNT5 P1CNT4
P1CNT1 P1CNT0
P10 Output Control register ( P1TCNT : X'03F7E', R/W)
P1CNT1
0
0
1
I/O port
High output
Low output
Hi-z output
1
1
P10 Output Control
P1CNT0
0
P1CNT3
0
0
1
1
I/O port
High output
Low output
Hi-z output
1
P12 Output Control
P1CNT2
0
P1CNT5
0
0
1
1
I/O port
High output
Low output
Hi-z output
1
P14 Output Control
P1CNT4
0
(At reset : - - 0 0 0 0 0 0 )
Figure 4-3-3 Port 1 Registers (3/3)