
REJ03B0244-0030 Rev.0.30 Feb 14, 2008
Page 12 of 108
Under development
Preliminary Specification
Specifications in this preliminary version are subject to change.
R32C/134 Group
1. Overview
Table 1.9
Pin Definitions and Functions (2/3)
Functional
Category
Symbol
I/O
Function
Input port
P14_1
I
Input port in CMOS. A pull-up resistor is selectable
for P14_1 and P14_3 in a lump
Timer A
TA0OUT to TA4OUT
I/O
Timers A0 to A4 input/output
TA0IN to TA4IN
I
Timers A0 to A4 input
Timer B
TB0IN to TB5IN
I
Timers B0 to B5 input
Three-phase
motor control
timer output
U,
U, V, V, W, W
O
Three-phase motor control timer output
Serial interface
CTS0 to CTS4
I
Handshake input
RTS0 to RTS4
O
Handshake output
CLK0 to CLK4
I/O
Transmit/receive clock input/output
RXD0 to RXD4
I
Serial data input
TXD0 to TXD4
O
Serial data output
I2C bus
(simplified)
SDA0 to SDA2
I/O
Serial data input/output
SCL0 to SCL2
I/O
Transmit/receive clock input/output
Serial interface
special functions
STXD0 to STXD2
O
Serial data output in slave mode
SRXD0 to SRXD2
I
Serial data input in slave mode
SS0 to SS2
I
Input to control serial interface special functions
A/D converter
AN_0 to AN_7
AN0_0 to AN0_7
AN2_0 to AN2_7
AN15_0 to AN15_7
I
Analog input for the A/D converter
ADTRG
I
External trigger input for the A/D converter
ANEX0
I/O
Expanded analog input for the A/D converter and
output in external op-amp connection mode
ANEX1
I
Expanded analog input for the A/D converter
D/A converter
DA0 to DA1
O
Output for the D/A converter
Reference voltage
input
VREF
I
Reference voltage input for the A/D converter and D/
A converter
Intelligent I/O
IIO0_0 to IIO0_7
I/O
Input/output for the Intelligent I/O group 0. Either
input capture or output compare is selectable
IIO1_0 to IIO1_7
I/O
Input/output for the Intelligent I/O group 1. Either
input capture or output compare is selectable
UD0A, UD0B,
UD1A, UD1B
I
Input for the two-phase encoder
Serial bus inter-
face
SSO0 to SSO1
I/O
Serial data output. Functions as serial data input/out-
put in 4-wire serial bus mode
SSI0 to SSI1
I/O
Serial data input. Functions as serial data input/out-
put in 4-wire serial bus mode
SSCK0 to SSCK1
I/O
Transmit/receive clock input/output
SCS0 to SCS1
I/O
Input/output to control the synchronous serial inter-
face