Datasheet

R8C/34C Group 1. Overview
R01DS0007EJ0100 Rev 1.00 Page 7 of 54
Aug. 24, 2010
Note:
1. Can be assigned to the pin in parentheses by a program.
Table 1.4 Pin Name Information by Pin Number (1)
Pin
Number
Control Pin Port
I/O Pin Functions for Peripheral Modules
Interrupt Timer
Serial
Interface
SSU
I
2
C
bus
A/D Converter,
D/A Converter,
Comparator B
1P6_0(TREO)
2P3_0(TRAO)
3P4_2 VREF
4MODE
5(XCIN)P4_3
6 (XCOUT) P4_4
7
RESET
8XOUTP4_7
9 VSS/AVSS
10 XIN P4_6
11 VCC/AVCC
12 P3_7 TRAO (RXD2/SCL2/
TXD2/SDA2)
SSO SDA
13 P3_5 (TRCIOD) (CLK2) SSCK SCL
14 P3_4 (TRCIOC) (RXD2/SCL2/
TXD2/SDA2)
SSI IVREF3
15 P3_3
INT3
(TRCCLK)
(CTS2
/RTS2)SCS
IVCMP3
16 P2_7 (TRDIOD1)
17 P2_6 (TRDIOC1)
18 P2_5 (TRDIOB1)
19 P2_4 (TRDIOA1)
20 P2_3 (TRDIOD0)
21 P2_2 (TRCIOD/
TRDIOB0)
22 P2_1 (TRCIOC/
TRDIOC0)
23 P2_0
(INT1
)
(TRCIOB/
TRDIOA0/
TRDCLK)
24 P3_1 (TRBO)
25 P6_7
(INT3
)
(TRCIOD)
26 P6_6
INT2
(TRCIOC) (TXD2/SDA2)
27 P6_5
INT4
(TRCIOB) (CLK1/CLK2)
28 P4_5
INT0
(RXD2/SCL2)
ADTRG
29 P1_7
INT1
(TRAIO) IVCMP1
30 P1_6 (CLK0) IVREF1
31 P1_5
(INT1
)
(TRAIO) (RXD0)
32 P1_4 (TRCCLK) (TXD0)
33 P1_3
KI3
TRBO/
(TRCIOC)
AN11
34 P1_2
KI2
(TRCIOB) AN10
35 P1_1
KI1
(TRCIOA/
TRCTRG)
AN9