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M16C/64C Group
Table 1.8
Pin Functions for the 100-Pin Package (2/3)
Signal Name
Main clock input
Main clock output
Sub clock input
Sub clock output
BCLK output
Clock output
INT interrupt input
NMI interrupt input
Key input interrupt
input
Timer A
Timer B
Three-phase motor
control timer
Real-time clock output
PWM output
Remote control signal
receiver input
Serial interface
UART0 to UART2,
UART5 to UART7
Notes:
1.
Contact the manufacturer of crystal/ceramic resonator regarding the oscillation characteristics.
2.
TXD2, SDA2, and SCL2 are N-channel open drain output pins. TXDi (i = 0, 1, 5 to 7), SDAi, and SCLi can be
selected as CMOS output pins or N-channel open drain output pins.
R01UH0092EJ0110 Rev.1.10
Jul 31, 2012
Power
Pin Name
I/O
Supply
XIN
I
VCC1 I/O for the main clock oscillator. Connect a ceramic resonator
XOUT
O
VCC1
XCIN
I
VCC1 I/O for a sub clock oscillator. Connect a crystal between XCIN
XCOUT
O
VCC1
BCLK
O
VCC2 Outputs the BCLK signal.
CLKOUT
O
VCC2 Outputs a clock with the same frequency as fC, f1, f8, or f32.
INT0 to INT2
I
VCC1
INT3 to INT7
I
VCC2
NMI
VCC1 Input for the NMI interrupt.
I
KI0 to KI3
I
VCC1 Input for the key input interrupt.
TA0OUT to
I/O
VCC1
TA4OUT
TA0IN to TA4IN
I
VCC1 Input for timers A0 to A4.
ZP
I
VCC1 Input for Z-phase.
TB0IN to TB5IN
I
VCC1 Input for timers B0 to B5.
U, U , V, V , W, W
O
VCC1 Output for the three-phase motor control timer.
SD
I
VCC1 Forced cutoff input.
IDU, IDV, IDW
I
VCC2 Input for the position data.
RTCOUT
O
VCC1 Output for the real-time clock.
VCC1,
PWM0, PWM1
O
VCC2
PMC0, PMC1
I
VCC1 Input for the remote control signal receiver.
CTS0 to CTS2 ,
I
VCC1
CTS5
CTS6 , CTS7
I
VCC2
RTS0 to RTS2 ,
O
VCC1
RTS5
RTS6 , RTS7
O
VCC2
CLK0 to CLK2,
I/O
VCC1
CLK5
CLK6, CLK7
I/O
VCC2
RXD0 to RXD2,
I
VCC1
RXD5
RXD6, RXD7
I
VCC2
TXD0 to TXD2,
O
VCC1
TXD5
TXD6, TXD7
O
VCC2
CLKS1
O
VCC1 Output for the transmit/receive clock multiple-pin output function.
Description
or crystal between pins XIN and XOUT.
clock to XIN pin and leave XOUT pin open.
(1)
pin and XCOUT pin.
Input an external clock to XCIN pin and
leave XCOUT pin open.
Input for the INT interrupt.
I/O for timers A0 to A4 (TA0OUT is N-channel open drain
output).
PWM output.
Input pins to control data transmission.
Output pins to control data reception.
Transmit/receive clock I/O.
Serial data input.
(2)
Serial data output.
1. Overview
(1)
Input an external
Page 12 of 807
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