Renesas R8C series, Hardware Manual

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R8C/18 Group, R8C/19 Group 6. Programmable I/O Ports
Rev.1.30 Apr 14, 2006 Page 35 of 233
REJ09B0222-0130
6.4 Port Settings
Tables 6.4 to 6.17 list the port settings.
X: 0 or 1
X: 0 or 1
X: 0 or 1
Table 6.4 Port P1_0/KI0/AN8/CMP0_0
Register PD1 PUR0 DRR KIEN ADCON0 TCOUT
Function
Bit PD1_0 PU02 DRR0 KI0EN CH2, CH1, CH0, ADGSEL0 TCOUT0
Setting
Value
0 0 X X XXXX 0 Input port (not pulled up)
0 1 X X XXXX 0 Input port (pulled up)
0 0 X 1 XXXX 0 KI0 input
0 0 X X 1001b 0 Comparator input (AN8)
1 X 0 X XXXX 0 Output port
1 X 1 X XXXX 0 Output port (high drive)
X X X X XXXX 1 CMP0_0 output
Table 6.5 Port P1_1/KI1/AN9/CMP0_1
Register PD1 PUR0 DRR KIEN ADCON0 TCOUT
Function
Bit PD1_1 PU02 DRR1 KI1EN CH2, CH1, CH0, ADGSEL0 TCOUT1
Setting
Value
0 0 X X XXXX 0 Input port (not pulled up)
0 1 X X XXXX 0 Input port (pulled up)
0 0 X 1 XXXX 0 KI1 input
0 0 X X 1011b 0 Comparator input (AN9)
1 X 0 X XXXX 0 Output port
1 X 1 X XXXX 0 Output port (high drive)
X X X X XXXX 1 CMP0_1 output
Table 6.6 Port P1_2/KI2/AN10/CMP0_2
Register PD1 PUR0 DRR KIEN ADCON0 TCOUT
Function
Bit PD1_2 PU02 DRR2 KI2EN CH2, CH1, CH0, ADGSEL0 TCOUT2
Setting
Value
0 0 X X XXXX 0 Input port (not pulled up)
0 1 X X XXXX 0 Input port (pulled up)
0 0 X 1 XXXX 0 KI2 input
0 0 X X 1101b 0 Comparator input (AN10)
1 X 0 X XXXX 0 Output port
1 X 1 X XXXX 0 Output port (high drive)
X X X X XXXX 1 CMP0_2 input