MC96F6432
June 22, 2018 Ver. 2.9
81
9.7 P4 Port
9.7.1 P4 Port Description
P4 is 4-bit I/O port. P4 control registers consist of P4 data register (P4), P4 direction register (P4IO), P4 pull-up
resistor selection register (P4PU) and P4 open-drain selection register (P4OD). Refer to the port function
selection registers for the P4 function selection.
9.7.2 Register description for P4
P4 (P4 Data Register) : A0H
7
6
5
4
3
2
1
0
–
–
–
–
P43
P42
P41
P40
–
–
–
–
R/W
R/W
R/W
R/W
Initial value : 00H
P4[3:0]
I/O Data
Note) Do not use the
“direct bit test and branch” instruction for input port, more detail information is at
Appendix B.
Example) Avoid direct input port bit test and branch condition as below
If(P40)
→
if(P4 & 0x01)
P4IO (P4 Direction Register) : C9H
7
6
5
4
3
2
1
0
–
–
–
–
P43IO
P42IO
P41IO
P40IO
–
–
–
–
R/W
R/W
R/W
R/W
Initial value : 00H
P4IO[3:0]
P4 Data I/O Direction
0
Input
1
Output
NOTE: SS0 function possible when input
Summary of Contents for MC96F6332D
Page 24: ...MC96F6432 24 June 22 2018 Ver 2 9 4 Package Diagram Figure 4 1 48 Pin LQFP 0707 Package...
Page 25: ...MC96F6432 June 22 2018 Ver 2 9 25 Figure 4 2 44 Pin MQFP Package...
Page 26: ...MC96F6432 26 June 22 2018 Ver 2 9 Figure 4 3 32 Pin LQFP Package...
Page 27: ...MC96F6432 June 22 2018 Ver 2 9 27 Figure 4 4 32 Pin SOP Package...
Page 28: ...MC96F6432 28 June 22 2018 Ver 2 9 Figure 4 5 28 Pin SOP Package...
