RX110_16 Datasheet, PDF (10/108 Pages) Renesas Technology Corp – 32 MHz 32-bit RX MCUs, 50 DMIPS

RX110 Group
1. Overview
1.4 Pin Functions
Table 1.4 lists the pin functions.
Table 1.4
Pin Functions (1/3)
Classifications Pin Name
I/O
Description
Power supply
VCC
VCL
VSS
Input
—
Input
Power supply pin. Connect it to the system power supply.
Connect this pin to the VSS pin via the 4.7 μF smoothing capacitor used to
stabilize the internal power supply. Place the capacitor close to the pin.
Ground pin. Connect it to the system power supply (0 V).
Analog power
supply
AVCC0
Input
Analog voltage supply pin for the 12-bit A/D converter. Connect this pin to
VCC when not using the 12-bit A/D converter.
AVSS0
Input
Analog ground pin for the 12-bit A/D converter. Connect this pin to VSS
when not using the 12-bit A/D converter.
VREFH0
VREFL0
Input
Input
Analog reference voltage supply pin for the 12-bit A/D converter. Connect
this pin to VCC when not using the 12-bit A/D converter.
Analog reference ground pin for the 12-bit A/D converter. Connect this pin
to VSS when not using the 12-bit A/D converter.
Clock
XTAL
Output/ Pins for connecting a crystal resonator. An external clock can be input
Input *¹ through the XTAL pin.
EXTAL
Input
XCIN
XCOUT
CLKOUT
Input Input/output pins for the sub-clock oscillator. Connect a crystal resonator
Output ^{between XCIN and XCOUT.}
Output ^{Clock output pin.}
Operating mode MD
control
Input
Pin for setting the operating mode. The signal levels on this pin must not be
changed during operation.
System control RES#
Input Reset pin. This LSI enters the reset state when this signal goes low.
CAC
CACREF
Input Input pin for the clock frequency accuracy measurement circuit.
On-chip
emulator
LVD
FINED
CMPA2
I/O
FINE interface pin.
Input Detection target voltage pin for voltage detection 2.
Interrupts
NMI
Input Non-maskable interrupt request pin.
IRQ0 to IRQ7
Input Interrupt request pins.
Multi-function MTIOC0A, MTIOC0B
timer pulse unit 2 MTIOC0C, MTIOC0D
MTIOC1A, MTIOC1B
I/O
The TGRA0 to TGRD0 input capture input/output compare output/PWM
output pins.
I/O
The TGRA1 and TGRB1 input capture input/output compare output/PWM
output pins.
MTIOC2A, MTIOC2B
I/O
The TGRA2 and TGRB2 input capture input/output compare output/PWM
output pins.
MTIC5U, MTIC5V, MTIC5W Input
MTCLKA, MTCLKB,
MTCLKC, MTCLKD
Input
The TGRU5, TGRV5, and TGRW5 input capture input/external pulse input
pins.
Input pins for the external clock.
Realtime clock
Serial
communications
interface (SCIe)
RTCOUT
Output Output pin for the 1-Hz/64-Hz clock.
 Asynchronous mode/clock synchronous mode
SCK1, SCK5
I/O
Input/output pins for the clock.
RXD1, RXD5
Input Input pins for receiving data.
TXD1, TXD5
Output Output pins for transmitting data.
CTS1#, CTS5#
Input Input pins for controlling the start of transmission and reception.
RTS1#, RTS5#
Output Output pins for controlling the start of transmission and reception.
R01DS0202EJ0120 Rev.1.20
Jul 29, 2016
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