M16C6K9 Datasheet, PDF (239/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6K9 Group
Port
Port function selection register 0
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PSL0
Address
02F816
When reset
0016
Bit Symbol
Bit name
PSL00
UART0 I/O pin selection bit
PSL01
UART1 I/O pin selection bit
PSL02
UART2 I/O pin selection bit
PSL03
PSL04
INT7 input pin selection bit
INT8 I/O pin selection bit
PSL05
INT9 I/O pin selection bit
Function
0 : P60 to P63
1 : P10 to P13
0 : P64 to P67
1 : P14 to P17
0 : P70 to P73
1 : P20 to P23
0 : P103
1 : P14
0 : P104
1 : P15
0 : P105
1 : P16
PSL06
INT10 I/O pin selection bit
0 : P106
1 : P17
PSL07 (Note) P110 output clock selection bit ^{0 : f(XIN)}
1 : fC
Note. Enabled only if bit 0 of port function selection register 2 is set to "1".
If fc is selected, the phase of output clock is reversed to XCIN.
RW
Port function selection register 1
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PSL1
Address
02F916
When reset
0016
Bit Symbol
Bit name
PSL10
TA0 output pin selection bit
0 : P40
1 : P150
Function
PSL11
PSL12
PSL13
TA1 output pin selection bit 0 : P41
1 : P151
TA2 output pin selection bit ^{0 : P42}
1 : P152
TB3 output pin selection bit ^{0 : P93}
1 : P160
PSL14
TB4 output pin selection bit ^{0 : P94}
1 : P161
PSL15 (Note) INT6-INT11 input pin
switching bit
0 : P97, P103 to P107
1 : P120, P121 to P125
Nothing is assigned.
Meaningless in writing, "0" in reading.
RW
Note. If this is set to "1" then port function selection register 1 (address 02F816) bit 3 to bit6
setting will be ignored.
Fig.UA-15 Port function selection register 0,1
Rev.1.00 Jun 06, 2003 page 239 of 290