Datasheet
M32C/87 Group (M32C/87, M32C/87A, M32C/87B) 1. Overview
REJ03B0127-0151  Rev.1.51 Jul 31, 2008
Page 21 of 85
Table 1.17 Pin Functions (100-Pin and 144-Pin Package) (3/4)
I: Input O: Output  I/O: Input and output
NOTE:
1. Only VCC1 can be used in the 100-pin package.
Type Symbol
I/O 
Type
Supply 
Voltage
Description
Intelligent I/O INPC1_0 to 
INPC1_3
IVCC1/
VCC2
(1)
Input pins for the time measurement function.
INPC1_4 to 
INPC1_7
I VCC1
OUTC1_0 to 
OUTC1_3
OVCC1/
VCC2
(1)
Output pins for the waveform generation function.
(OUTC1_6/OUTC2_0 and OUTC1_7/OUTC2_2 assigned to ports 
7_0 and 7_1 are N-channel open drain output.)
OUTC1_4 to 
OUTC1_7
O VCC1
OUTC2_0 to 
OUTC2_2
OVCC1/
VCC2
(1)
ISCLK0 I/O VCC1 Clock input/output pins for the intelligent I/O communication 
function.
ISCLK1, 
ISCLK2
I/O VCC1/
VCC2
(1)
ISRXD0 I VCC1 Data input pins for the intelligent I/O communication function.
ISRXD1, 
ISRXD2
IVCC1/
VCC2
(1)
ISTXD0 O VCC1 Data output pins for the intelligent I/O communication function.
(ISTXD2 assigned to port 7_0 is N-channel open drain output.)
ISTXD1, 
ISTXD2
OVCC1/
VCC2
(1)
IEIN I VCC1/
VCC2
(1)
Data input pin for the intelligent I/O communication function.
IEOUT O VCC1/
VCC2
(1)
Data output pin for the intelligent I/O communication function.
(IEOUT assigned to port 7_0 is N-channel open drain output.)
Reference 
voltage input
VREF I − The VREF pin supplies the reference voltage to the A/D converter 
and D/A converter.
A/D converter AN_0 to AN_7 I VCC1 Analog input pins for the A/D converter.
AN0_0 to 
AN0_7, 
AN2_0 to 
AN2_7
I VCC2
ADTRG
I VCC1 External trigger input pin for the A/D converter.
ANEX0 I/O VCC1 Extended analog input pin for the A/D converter or output pin in 
external op-amp connection mode.
ANEX1 I VCC1 Extended analog input pin for the A/D converter.
D/A converter DA0, DA1 O VCC1 Output pins for the D/A converter.
Real-time port RTP0_0 to 
RTP0_3
RTP1_0 to 
RTP1_3
RTP2_0 to 
RTP2_3
RTP3_0 to 
RTP3_3
O VCC1 These pins function as real-time ports.
(RTP0_2 and RTP0_3 are N-channel open drain output.)










