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M16C/5L Group, M16C/56 Group
1.6
Pin Functions
Table 1.11
Pin Functions (64-Pin and 80-Pin Packages) (1/2)
Signal Name
Power supply
VCC, VSS
Analog power
AVCC,
supply
AVSS
RESET
Reset input
CNVSS
CNVSS
Main clock input
XIN
Main clock output
XOUT
Sub clock input
XCIN
Sub clock output
XCOUT
Clock output
CLKOUT
INT interrupt input
INT0 to INT5
NMI input
NMI
KI0 to KI3
Key input interrupt
TA0OUT to
TA4OUT
Timer A
TA0IN to TA4IN
ZP
Timer B
TB0IN to TB2IN
U,U,V,V,W,W
Three-phase motor
IDU, IDW, IDV, SD
control timer
Real-time clock
RTCOUT
CTS0 to CTS3
RTS0 to RTS3
Serial interface
CLK0 to CLK3
UART0 to UART3
RXD0 to RXD3
TXD0 to TXD3
SDA2
UART2
2
I
C mode
SCL2
SDAMM
Multi-master
2
I
C-bus
SCLMM
Note:
1.
Please contact the manufacturer of crystal/ceramic resonator for oscillation characteristic.
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
Pin Name
I/O
I
Apply 3.0 to 5.5 V to VCC pin and 0 V to VSS pin.
Power supply for the A/D converter. Pins AVCC and AVSS should be
I
connected to VCC and VSS, respectively.
I
Driving this low resets the MCU.
I
Connect to VSS via a resistor.
I
Input/output for the main clock oscillator. Connect a ceramic
resonator or crystal oscillator between XIN and XOUT.
an external clock, connect it to XIN and leave XOUT open. When
O
XIN is not used, connect XIN to VCC pin and leave XOUT open.
I
Input/output for the sub clock oscillator. Connect a crystal oscillator
between XCIN and XCOUT.
O
This pin outputs the clock having the same frequency as f1, f8, f32,
O
or fC.
Input for INT interrupt.
I
Input for NMI interrupt.
I
I
Input for the key input interrupt
I/O
Timers A0 to A4 input/output
I
Timers A0 to A4 input
I
Input for Z-phase
I
Timers B0 to B2 input
O
Output for three-phase motor control timer
I
Input for three-phase motor control timer
O
Output for real-time clock
I
Input to control data transmission
O
Output to control data reception
I/O
Transfer clock input/output
I
Serial data input
O
Serial data output
I/O
Serial data input/output
I/O
Transfer clock input/output
Serial data input/output
I/O
Transfer clock input/output
Description
(1)
Page 16 of 803
1. Overview
(1)
To apply
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