Renesas R8C/18 Series Hardware Manual page 53

R8C/18 Group, R8C/19 Group
Table 6.14 Port P3_5/CMP1_2
Register PD3
Bit PD3_5
0
0
Setting
Value
1
X
X: 0 or 1
Table 6.15 Port P3_7/CNTR0/TXD1
Register PD3
Bit PD3_7
0
0
1
Setting
Value
X
X
X: 0 or 1
Table 6.16 Port XIN/P4_6, XOUT/P4_7
Register CM1
Bit CM13
1
1
Setting
Value 1
1
0
X: 0 or 1
Table 6.17 Port P4_5/INT0/RXD1
Register PD4
Bit PD4_5
0
0
0
Setting
Value
X
1
X: 0 or 1
Rev.1.30 Apr 14, 2006
REJ09B0222-0130
PUR0 TCOUT
PU07 TCOUT5
0 0
1 0
X 0
X 1
PUR0 U1MR
PU07 SMD2 to SMD0
0 000b
1 000b
X 000b
001b
100b
X
101b
110b
X 000b
CM1 CM0
CM10 CM05
1 1
0 1
0 1
0 0
X X
PUR1 UCON
PU11 U1SEL1, U1SEL0
0 00b
1 00b
0 00b
01b
0
10b
X 00b
Page 38 of 233
Input port (not pulled up)
Input port (pulled up)
Output port
CMP1_2 output
TXMR UCON
TXOCNT U1SEL1, U1SEL0
0 0X
0 0X
0 0X
X 11b
1 XX
Circuit specification
Oscillation Feedback
buffer resistance
OFF OFF
OFF ON
OFF ON
ON ON
OFF OFF
INTEN
INT0EN
0 Input port (not pulled up)
0 Input port (pulled up)
1 INT0 input
0 RXD1 input
X Output port
6. Programmable I/O Ports
Function
Function
Input port (not pulled up)
Input port (pulled up)
Output port
TXD1 output pin
CNTR0 output pin
Function
XIN-XOUT oscillation stop
External input to XIN pin, "H" output
from XOUT pin
XIN-XOUT oscillation stop
XIN-XOUT oscillation
Input port
Function