M32C/83 Group Hardware Manual - TE-EPC-LPC

M32C/83
Group
24. Programmable I/O Port
Function Select Register C
b7 b6 b5 b4 b3 b2 b1 b0
Symbol Address After Reset
PSC 03AF16 00X0 00002
Bit
Symbol
Bit Name
Function
RW
PSC_0
Port P70 Output Peripheral
Function Select Bit
0 : TxD2/SDA2 output
1 : OUTC20/ISTXD2/IEOUT
RW
PSC_1
PSC_2
Port P71 Output Peripheral
Function Select Bit
Port P72 Output Peripheral
Function Select Bit
0 : SCL2 output
1 : OUTC22
0 : CLK2 output
1 : V
RW
RW
PSC_3
Port P73 Output Peripheral
Function Select Bit
0 : RTS2
1 : OUTC10/ISTxD1/BE1OUT
RW
PSC_4
Port P74 Output Peripheral
Function Select Bit
0 : TA2OUT output
1 : OUTC11/ISCLK1 output
RW
(b5)
Nothing is assigned. When write, set to "0".
When read, its content is indeterminate.
PSC_6
Port P76 Output Peripheral
Function Select Bit
0 : OUTC00/ISTXD0/BE0OUT
1 : CANOUT
RW
PSC_7
Key Input Interrupt Validity
Select Bit
0 : P104 to P107 or KI0 to KI3
1 : AN4 to AN7 (1)
NOTES:
1. Set the ILVL2 to ILVL0 bits in the KUPIC register to "0002" (interrupt disabled) when changing the
PSC_7 bit.
Although the AN4 to AN7 pins can be used when this bit is set to "0", power consumption may
increase.
RW
Figure 24.14 PSC Register
Rev. 1.20 Jun. 01, 2004
REJ09B0034-0120Z
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