M16C/62 Group (M16C/62P, M16C/62PT)
1. Overview
Table 1.10 Pin Description (100-pin and 128-pin Version) (2)
Power
supply
Signal name Pin name I/O type
Description
Main clock input
Main clock output
XIN
I
VCC1
VCC1
I/O pins for the main clock generation circuit. Connect a ceramic resonator or
crystal oscillator between XIN and XOUT (3). To use the external clock, input the
clock from XIN and leave XOUT open.
XOUT
O
Sub clock input
Sub clock output
XCIN
I
VCC1
VCC1
I/O pins for a sub clock oscillation circuit. Connect a crystal oscillator between
XCIN and XCOUT (3). To use the external clock, input the clock from XCIN and
leave XCOUT open.
XCOUT
O
BCLK output (2)
BCLK
O
O
I
VCC2
VCC2
VCC1
VCC1
Outputs the BCLK signal.
Clock output
CLKOUT
The clock of the same cycle as fC, f8, or f32 is outputted.
Input pins for the _I_N__T__ interrupt
______
________
INT interrupt input INT0 to _I_N__T__5__
_______
_______
NMI interrupt input NMI
I
Input pin for the _N__M___I_ interrupt. Pin states can be read by the P8_5 bit in the P8
register.
Key input interrupt KI0 to _K__I_3__
I
I/O
I
VCC1
VCC1
VCC1
Input pins for the key input interrupt
_____
input
Timer A
TA0OUT to
TA4OUT
TA0IN to
TA4IN
These are timer A0 to timer A4 I/O pins. (except the output of TAOUT for the N-
channel open drain output.)
These are timer A0 to timer A4 input pins.
ZP
I
I
VCC1
VCC1
Input pin for the Z-phase.
Timer B
TB0IN to
TB5IN
These are timer B0 to timer B5 input pins.
__
__
Three-phase motor U, U, V, V,
O
VCC1
These are Three-phase motor control output pins.
__
control output
Serial I/O
W, W
__________
________
CTS0 to CTS2
I
O
I/O
I
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
These are send control input pins.
________
________
RTS0 to RTS2
CLK0 to CLK4
RXD0 to RXD2
SIN3, SIN4
TXD0 to
These are receive control output pins.
These are transfer clock I/O pins.
These are serial data input pins.
I
These are serial data input pins.
O
These are serial data output pins. (except TXD2 for the N-channel open drain
output.)
TXD2
SOUT3, SOUT4
CLKS1
O
O
VCC1
VCC1
VCC1
These are serial data output pins.
This is output pin for transfer clock output from multiple pins function.
These are serial data I/O pins. (except SDA2 for the N-channel open drain
output.)
I2C mode
SDA0 to SDA2
I/O
SCL0 to SCL2
I/O
VCC1
These are transfer clock I/O pins. (except SCL2 for the N-channel open drain
output.)
I : Input
O : Output
I/O : Input and output
NOTES:
1. When use VCC1 ≥ VCC2, contacts due to some points or restrictions to be checked.
2. This pin function is not in M16C/62PT.
3. Ask the oscillator maker the oscillation characteristic.
page 17
Rev.2.10 Nov. 07, 2003
of 84
RENESAS [ RENESAS TECHNOLOGY CORP ]
