M16C63 Datasheet, PDF (21/115 Pages) Renesas Technology Corp – RENESAS MCU

M16C/63 Group
1. Overview
Table 1.13 Pin Functions for the 80-Pin Package (1/2)
Signal Name Pin Name I/O Power Supply
Description
Power supply
input
VCC1,
VSS
I
-
Apply 1.8 to 5.5 V to the VCC1 pin and 0 V to the VSS pin.
Analog power
supply input
AVCC,
AVSS
I
VCC1
This is the power supply for the A/D and D/A converters.
Connect the AVCC pin to VCC1, and connect the AVSS pin
to VSS.
Reset input
RESET
I
VCC1 Driving this pin low resets the MCU.
CNVSS
CNVSS
I
VCC1
Input pin to switch processor modes. After a reset, to start
operating in single-chip mode, connect the CNVSS pin to
VSS via a resistor.
Main clock input
XIN
I
VCC1 I/O pins for the main clock oscillator. Connect a ceramic
resonator or crystal between pins XIN and XOUT. ⁽¹⁾ Input
Main clock output XOUT
O
VCC1 _{an external clock to XIN pin and leave XOUT pin open.}
Sub clock input
XCIN
I
Sub clock output XCOUT
O
VCC1
VCC1
I/O pins for a sub clock oscillator. Connect a crystal between
XCIN pin and XCOUT pin. ⁽¹⁾ Input an external clock to XCIN
pin and leave XCOUT pin open.
Clock output
CLKOUT
O
VCC1 Outputs a clock with the same frequency as fC, f1, f8, or f32.
INT interrupt input ^{INT0 to INT2}
I
INT6, INT7
I
NMI interrupt
input
NMI
I
VCC1
VCC1
VCC1
Input for the INT interrupt.
Input for the NMI interrupt.
Key input
interrupt input
KI0 to KI7
I
VCC1 Input for the key input interrupt.
TA0OUT,
TA3OUT, I/O
TA4OUT
VCC1
I/O for timers A0, A3, and A4 (TA0OUT is N-channel open
drain output).
Timer A
TA0IN,
TA3IN,
I
TA4IN
VCC1 Input for timers A0, A3, and A4.
ZP
I
VCC1 Input for Z-phase.
Timer B
TB0IN,
TB2IN to
I
TB5IN
VCC1 Input for timers B0, and B2 to B5.
Real-time clock
output
TRHO
O
VCC1 Output for the real-time clock.
PWM output
PWM0,
PWM1
O
VCC1 PWM output.
Remote control
signal receiver
PMC0
I
VCC1 Input for the remote control signal receiver.
input
Note:
1. Contact the oscillator manufacturer regarding oscillation characteristics.
REJ03B0271-0100 Rev.1.00 Sep 15, 2009
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