67
MC96F6432S
ABOV Semiconductor Co., Ltd.
9.4
P1 Port
9.4.1
P1 Port Description
P1 is 8-bit I/O port. P1 control registers consist of P1 data register (P1), P1 direction register (P1IO), debounce enable
register (P15DB), P1 pull-up resistor selection register (P1PU), andP1 open-drain selection register (P1OD) . Refer to
the port function selection registers for the P1 function selection.
9.4.2
Register description for P1
P1 (P1 Data Register): 88H
7
6
5
4
3
2
1
0
P17
P16
P15
P14
P13
P12
P11
P10
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial value: 00H
P1[7:0]
I/O Data
NOTE)
1.
Do not use the “direct bit test and branch” instruction for input port. More detail information is at chapter
17.2 Instructions on how to use the input port.
Example) Avoid direct input port bit test and branch condition as below
if(P10)
→
if(P1 & 0x01)
P1IO (P1 Direction Register): B1H
7
6
5
4
3
2
1
0
P17IO
P16IO
P15IO
P14IO
P13IO
P12IO
P11IO
P10IO
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial value: 00H
P1IO[7:0]
P1 Data I/O Direction
0
Input
1
Output
NOTE)
1.
EINT6/ENINT7/EINT11/EINT12/SS2/EC1 function possible when
input
P1PU (P1 Pull-up Resistor Selection Register): ADH
7
6
5
4
3
2
1
0
P17PU
P16PU
P15PU
P14PU
P13PU
P12PU
P11PU
P10PU
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial value: 00H
P1PU[7:0]
Configure Pull-up Resistor of P1 Port
0
Disable
1
Enable
Summary of Contents for MC96F6432S Series
Page 15: ...15 MC96F6432S ABOV Semiconductor Co Ltd 4 Package Diagram Figure 4 1 44 Pin MQFP Package...
Page 16: ...16 MC96F6432S ABOV Semiconductor Co Ltd Figure 4 2 32 Pin LQFP Package...
Page 17: ...17 MC96F6432S ABOV Semiconductor Co Ltd Figure 4 3 32 Pin SOP Package...
Page 18: ...18 MC96F6432S ABOV Semiconductor Co Ltd Figure 4 4 28 Pin SOP Package...
Page 19: ...19 MC96F6432S ABOV Semiconductor Co Ltd Figure 4 5 28 Pin TSSOP Package...
