Datasheet

R01DS0190EJ0100 Rev.1.00 Page 11 of 107
Jun 19, 2013
RX111 Group 1. Overview
Serial
communications
interface (SCIe)
 Simple I
2
C mode
SSCL1, SSCL5 I/O Input/output pins for the I
2
C clock.
SSDA1, SSDA5 I/O Input/output pins for the I
2
C data.
 Simple SPI mode
SCK1, SCK5 I/O Input/output pins for the clock.
SMISO1, SMISO5 I/O Input/output pins for slave transmit data.
SMOSI1, SMOSI5 I/O Input/output pins for master transmit data.
SS1#, SS5# Input Chip-select input pins.
Serial
communications
interface (SCIf)
 Asynchronous mode/clock synchronous mode
SCK12 I/O Input/output pin for the clock.
RXD12 Input Input pin for receiving data.
TXD12 Output Output pin for transmitting data.
CTS12# Input Input pin for controlling the start of transmission and reception.
RTS12# Output Output pin for controlling the start of transmission and reception.
 Simple I
2
C mode
SSCL12 I/O Input/output pin for the I
2
C clock.
SSDA12 I/O Input/output pin for the I
2
C data.
 Simple SPI mode
SCK12 I/O Input/output pin for the clock.
SMISO12 I/O Input/output pin for slave transmit data.
SMOSI12 I/O Input/output pin for master transmit data.
SS12# Input Chip-select input pin.
 Extended serial mode
RXDX12 Input Input pin for data reception by SCIf.
TXDX12 Output Output pin for data transmission by SCIf.
SIOX12 I/O Input/output pin for data reception or transmission by SCIf.
I
2
C bus interface SCL0 I/O Input/output pin for I
2
C bus interface clocks. Bus can be directly driven by
the N-channel open drain output.
SDA0 I/O Input/output pin for I
2
C bus interface data. Bus can be directly driven by the
N-channel open drain output.
Serial peripheral
interface
RSPCKA I/O Input/output pin for the RSPI clock.
MOSIA I/O Input/output pin for transmitting data from the RSPI master.
MISOA I/O Input/output pin for transmitting data from the RSPI slave.
SSLA0 I/O Input/output pin to select the slave for the RSPI.
SSLA1 to SSLA3 Output Output pins to select the slave for the RSPI.
USB 2.0 host/
function module
VCC_USB Input Power supply pin for USB. Connect this pin to VCC.
VSS_USB Input Ground pin for USB. Connect this pin to VSS.
USB0_DP I/O D+ I/O pin of the USB on-chip transceiver.
USB0_DM I/O D- I/O pin of the USB on-chip transceiver.
USB0_VBUS Input USB cable connection monitor pin.
USB0_EXICEN Output Low-power control signal for the OTG chip.
USB0_VBUSEN Output VBUS (5 V) supply enable signal for the OTG chip.
USB0_OVRCURA,
USB0_OVRCURB
Input External overcurrent detection pins.
USB0_ID Input Mini-AB connector ID input pin during operation in OTG mode.
Table 1.4 Pin Functions (2/3)
Classifications Pin Name I/O Description