Toshiba TLCS-900/L1 Series Manual page 73

7
Bit symbol
PB
(0022H)
Read/Write
After reset
7
PBCR Bit symbol
(0024H)
Read/Write
After reset
Function
7
Bit symbol
PBFC
(0025H)
Read/Write
After reset
Function
Note 1: Read-Modify-Write is prohibited for the registers PBCR and PBFC.
Note 2: 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.
Port B Register
6 5 4
PB6 PB5 PB4
Data from external port (Output latch register is set to "1".)
Port B Control Register
6 5 4
PB6C PB5C PB4C
0 0 0
Port B Function Register
6 5 4
PB6F PB5F PB4F
0 0 0
0: Port 0: Port 0: Port
1: INT3 1: INT2 1:
INT1
Figure 3.5.18 Register for Port B
91C824-71
3 2
PB3 PB2 PB1
R/W
3 2
PB3C PB2C PB1C
W
0 0
0: Input 1: Output
3 2
PB3F PB2F PB1F
W
0 0
0: Port 0: Port 0: Port
1: INT0 1: 1:
TA3OUT TA1OUT
TMP91C824
1 0
PB0
1 0
PB0C
0 0
1 0
0
2008-02-20