Datasheet

R8C/38C Group 1. Overview
R01DS0017EJ0110 Rev.1.10 Page 8 of 55
Nov 02, 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
1 P5_6 (TRAO/TRGIOA)
2P5_5(TRAIO)
3P3_2
(INT1/
INT2)
(TRAIO/TRGCLKB)
4 P3_0 (TRAO/TRGCLKA)
5P4_2 VREF
6MODE
7(XCIN)P4_3
8(XCOUT)P4_4
9
RESET
10 XOUT P4_7
11 VSS/AVSS
12 XIN P4_6
13 VCC/AVCC
14 P5_4 (TRCIOD)
15 P5_3 (TRCIOC)
16 P5_2 (TRCIOB)
17 P5_1 (TRCIOA/TRCTRG)
18 P5_0 (TRCCLK)
19 P3_7 TRAO
(TXD2/SDA2/
RXD2/SCL2)
SSO SDA
20 P3_5 (TRCIOD) (CLK2) SSCK SCL
21 P3_4 (TRCIOC)
(TXD2/SDA2/
RXD2/SCL2)
SSI IVREF3
22 P3_3
INT3
(TRCCLK)
(CTS2
/RTS2)SCS
IVCMP3
23 P2_7 (TRDIOD1)
24 P2_6 (TRDIOC1)
25 P2_5 (TRDIOB1)
26 P2_4 (TRDIOA1)
27 P2_3 (TRDIOD0)
28 P2_2 (TRCIOD/TRDIOB0)
29 P2_1 (TRCIOC/TRDIOC0)
30 P2_0
(INT1
)
(TRCIOB/TRDIOA0/
TRDCLK)
31 P9_3
32 P9_2
33 P9_1
34 P9_0
35 P3_6
(INT1
)
36 P3_1 (TRBO)
37 P8_7
38 P8_6
39 P8_5 (TRFO12)
40 P8_4 (TRFO11)