RX113_15 Datasheet, PDF (9/121 Pages) Renesas Technology Corp – Renesas MCUs

RX113 Group
1. Overview
1.4 Pin Functions
Table 1.4 lists the pin functions.
Table 1.4
Pin Functions (1/4)
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).
Clock
XTAL
Output/ Pins for connecting a crystal. An external clock can be input through the
Input *¹ XTAL pin.
EXTAL
Input
Operating mode
control
XCIN
XCOUT
CLKOUT
MD
Input Input/output pins for the sub-clock oscillator. Connect a crystal between
Output ^{XCIN and XCOUT.}
Output ^{Clock output pin.}
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).
System control
CAC
UPSEL
RES#
CACREF
Input
Input
Input
Pin used for boot mode (USB interface).
Reset pin. This MCU enters the reset state when this signal goes low.
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
IRQ0 to IRQ7
Multi-function MTIOC0A, MTIOC0B
timer pulse unit 2 MTIOC0C, MTIOC0D
Input
Input
I/O
Non-maskable interrupt request pin.
Interrupt request pins.
The TGRA0 to TGRD0 input capture input/output compare output/PWM
output pins.
MTIOC1A, MTIOC1B
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.
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.
MTCLKA, MTCLKB,
MTCLKC, MTCLKD
Input Input pins for the external clock.
Port output
enable 2
POE0# to POE3#, POE8#
Input
Input pins for request signals to place the MTU pins in the high impedance
state.
Realtime clock RTCOUT
Output Output pin for the 1-Hz/64-Hz clock.
8-bit timer
TMO0 to TMO3
Output Compare match output pins.
TMCI0 to TMCI3
Input Input pins for the external clock to be input to the counter.
TMRI0 to TMRI3
Input Counter reset input pins.
R01DS0216EJ0102 Rev.1.02
Dec 01, 2014
Page 9 of 121