RX230 Datasheet, PDF (16/177 Pages) Renesas Technology Corp – 54-MHz 32-bit RX MCUs, built-in FPU, 88.56 DMIPS, up to 512-KB flash memory

RX230 Group, RX231 Group
1. Overview
Table 1.5
Pin Functions (4/4)
Classifications
SD host
interface
USB 2.0 host/
function module
Pin Name
SDHI_D3 to SD_D0
SDHI_CD
SDHI_WP
VCC_USB
VSS_USB
USB0_DP
USB0_DM
USB0_VBUS
USB0_EXICEN
USB0_VBUSEN
USB0_OVRCURA,
USB0_OVRCURB
USB0_ID
12-bit A/D
converter
12-bit D/A
converter
AN000 to AN007, AN016 to
AN031
ADTRG0#
DA0, DA1
Comparator B
CMPB0 to CMPB3
CVREFB0 to CVREFB3
CMPOB0 to CMPOB3
CTSU
TS0 to TS9, TS12, TS13,
TS15 to TS20, TS22, TS23,
TS27, TS30, TS33, TS35
TSCAP
Analog power
supply
AVCC0
AVSS0
I/O ports
VREFH0
VREFL0
VREFH
VREFL
P03, P05, P07
P12 to P17
P20 to P27
P30 to P37
P40 to P47
P50 to P55
PA0 to PA7
PB0 to PB7
PC0 to PC7
PD0 to PD7
PE0 to PE7
PH0 to PH3
PJ3
I/O
Description
I/O
SD data bus pins
Input SD card detection pin
Input SD write-protect signal
Input Power supply pin for USB. Connect this pin to VCC.
Input Ground pin for USB. Connect this pin to VSS.
I/O
D+ I/O pin of the USB on-chip transceiver.
I/O
D- I/O pin of the USB on-chip transceiver.
Input USB cable connection monitor pin.
Output Low-power control signal for the OTG chip.
Output VBUS (5 V) supply enable signal for the OTG chip.
Input External overcurrent detection pins.
Input
Input
Mini-AB connector ID input pin during operation in OTG mode.
Input pins for the analog signals to be processed by the A/D converter.
Input Input pin for the external trigger signal that start the A/D conversion.
Output Analog output pins of the D/A converter.
Input Input pin for the analog signal to be processed by comparator B.
Input Analog reference voltage supply pin for comparator B.
Output Output pin for comparator B.
Output Electrostatic capacitance measurement pins (touch pins).
Output LPF connection pin.
Input
Analog voltage supply pin for the 12-bit A/D converter and D/A converter.
Connect this pin to VCC when not using the 12-bit A/D converter and D/A
converter.
Input
Analog ground pin for the 12-bit A/D converter and D/A converter. Connect
this pin to VSS when not using the 12-bit A/D converter and D/A converter.
Input Analog reference voltage supply pin for the 12-bit A/D converter.
Input Analog reference ground pin for the 12-bit A/D converter.
Input Analog reference voltage supply pin for the 12-bit D/A converter.
Input Analog reference ground pin for the 12-bit D/A converter.
I/O
3-bit input/output pins.
I/O
6-bit input/output pins.
I/O
8-bit input/output pins.
I/O
8-bit input/output pins (P35 input pin).
I/O
8-bit input/output pins.
I/O
6-bit input/output pins.
I/O
8-bit input/output pins.
I/O
8-bit input/output pins.
I/O
8-bit input/output pins.
I/O
8-bit input/output pins.
I/O
8-bit input/output pins.
I/O
4-bit input/output pins.
I/O
1-bit input/output pin.
R01DS0261EJ0110 Rev.1.10
Oct 30, 2015
Page 16 of 177