RX111_16 Datasheet, PDF (10/127 Pages) Renesas Technology Corp – 32 MHz 32-bit RX MCUs, 50 DMIPS, up to 512 Kbytes of flash memory

RX111 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).
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.
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
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.
VREFL0
Input
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. An external clock can be input through the
Input *¹ XTAL pin.
EXTAL
Input
XCIN
XCOUT
CLKOUT
Input Input/output pins for the sub-clock oscillator. Connect a crystal between
Output ^{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.
UB#
Input Pin used for boot mode (USB interface).
UPSEL
Input Pin used for boot mode (USB interface).
System control RES#
Input Reset pin. This MCU enters the reset state when this signal goes low.
CAC
CACREF
Input Input pin for the clock frequency accuracy measurement circuit.
On-chip
emulator
FINED
I/O
FINE interface pin.
LVD
CMPA2
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
I/O
The TGRA0 to TGRD0 input capture input/output compare output/PWM
output pins.
MTIOC1A, MTIOC1B
MTIOC2A, MTIOC2B
I/O
The TGRA1 and TGRB1 input capture input/output compare output/PWM
output pins.
I/O
The TGRA2 and TGRB2 input capture input/output compare output/PWM
output pins.
MTIOC3A, MTIOC3B
MTIOC3C, MTIOC3D
I/O
The TGRA3 to TGRD3 input capture input/output compare output/PWM
output pins.
MTIOC4A, MTIOC4B
MTIOC4C, MTIOC4D
I/O
The TGRA4 to TGRD4 input capture input/output compare output/PWM
output pins.
MTIC5U, MTIC5V, MTIC5W Input
The TGRU5, TGRV5, and TGRW5 input capture input/external pulse input
pins.
Port output
enable 2
MTCLKA, MTCLKB,
MTCLKC, MTCLKD
POE0# to POE3#, POE8#
Input
Input
Input pins for the external clock.
Input pins for request signals to place the MTU pins in the high impedance
state.
R01DS0190EJ0130 Rev.1.30
May 31, 2016
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