TMP91C824
91C824-69
Port B Register
7
6
5
4
3
2
1
0
bit Symbol
PB6
PB5
PB4
PB3
PB2
PB1
PB0
Read/Write
R/W
Input Mode
After Reset
1
1
1
1
1
1
1
Port B Control Register
7
6
5
4
3
2
1
0
bit Symbol
PB6C
PB5C
PB4C
PB3C
PB2C
PB1C
PB0C
Read/Write
W
0
After Reset
0: IN
1: OUT
Port B Function Register
7
6
5
4
3
2
1
0
bit Symbol
PB6F
PB5F
PB4F
PB3F
PB2F
PB1F
Read/Write
W
After Reset
0
Function
0: PORT
1: INT3
0: PORT
1: INT2
0: PORT
1:
INT1
0: PORT
1: INT0
0: PORT
1:
TA3OUT
0: PORT
1:
TA1OUT
PBFC
(0025H)
PB
(0022H)
PBCR
(0024H)
(note1): Read-Modify-Write is prohibited for the registers PBCR and PBFC.
(note2): PB0/TA0IN pin does not have a register changing PORT/FUNCTION.
For example, when it is used as an input port, the input signal is inputted to
8 bit timer.
Figure 3.5.18 Register for Port B