Datasheet

R01DS0063EJ0120 Rev.1.20 Page 21 of 95
Feb 6, 2013
R32C/116 Group 1. Overview
Notes:
1. Port P9_1 in the 100-pin package is an input-only port.
2. Ports P9_0, P9_2, and P11 to P15 are available in the 144-pin package only.
Table 1.16 Pin Definitions and Functions (3/4)
Function Symbol I/O Description
I/O port
(1, 2)
P0_0 to P0_7,
P1_0 to P1_7,
P2_0 to P2_7,
P3_0 to P3_7,
P4_0 to P4_7,
P5_0 to P5_7,
P6_0 to P6_7,
P7_0 to P7_7,
P8_0 to P8_4,
P8_6, P8_7,
P9_0 to P9_7,
P10_0 to P10_7,
P11_0 to P11_4,
P12_0 to P12_7,
P13_0 to P13_7,
P14_3 to P14_6,
P15_0 to P15_7
I/O
I/O ports in CMOS. Each port can be programmed to input
or output under the control of the direction register.
Some ports are 5 V tolerant inputs.
Pull-up resistors and N-channel open drain setting can be
enabled on some ports. Refer to Table 1.18 “Pin
Specifications” for details
Input port
(2)
P9_1 (for 100-pin
package)
P14_1 (for 144-
pin package)
I
Input port in CMOS
Pull-up resistor is selectable.
Refer to Table 1.18 “Pin Specifications” for details
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 CTS8 I Handshake input
RTS0 to RTS8 O Handshake output
CLK0 to CLK8 I/O Transmit/receive clock input/output
RXD0 to RXD8 I Serial data input
TXD0 to TXD8 O Serial data output
I
2
C-bus
(simplified)
SDA0 to SDA6 I/O Serial data input/output
SCL0 to SCL6 I/O Transmit/receive clock input/output
Serial interface
special functions
STXD0 to
STXD6
O
Serial data output in slave mode
SRXD0 to
SRXD6
I
Serial data input in slave mode
SS0 to SS6 I Input to control serial interface special functions