M32C8B_09 Datasheet, PDF (16/69 Pages) Renesas Technology Corp – RENESAS MCU

M32C/8B Group
1. Overview
Table 1.12 Pin Functions (100-Pin and 144-Pin Packages) (2/3)
Item
Main clock
input
Main clock
output
Sub clock
input
Sub clock
output
BCLK output
Clock output
INT interrupt
input
NMI interrupt
input
Timer A
Timer B
Three-phase
motor control
timer output
Serial
interface
I²C mode
Serial
interface
special function
Pin Name
XIN
I/O
Type
I
XOUT
O
XCIN
I
XCOUT
O
BCLK
O
CLKOUT
O
INT0 to INT2 ^I
NT3 to INT5
I
NMI
I
TA0OUT to I/O
TA4OUT
TA0IN to
I
TA4IN
TB0IN to
I
TB5IN
U, U, V, V,
O
W, W
CTS0 to
I
CTS4
RTS0 to
O
RTS4
CLK0 to CLK4 I/O
RXD0 to
I
RXD4
TXD0 to
O
TXD4
SDA0 to
I/O
SDA4
SCL0 to SCL4 I/O
STXD0 to
O
STXD4
SRXD0 to
I
SRXD4
SS0 to SS4
I
Supply
Voltage
VCC1
VCC1
VCC1
VCC1
VCC2
VCC2
VCC1
VCC2
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
Description
Input/output pins for the main clock oscillation circuit. Connect a
ceramic resonator or crystal oscillator between XIN and XOUT. To
apply an external clock, apply it to XIN and leave XOUT open.
Input/output pins for the sub clock oscillation circuit. Connect a
crystal oscillator between XCIN and XCOUT. To apply an external
clock, apply it to XCIN and leave XCOUT open.
Bus clock output pin
The CLKOUT pin outputs the clock having the same frequency as
fC, f8, or f32
INT interrupt input pins
NMI interrupt input pin. Connect the NMI pin to VCC1 via a resistor
when the NMI interrupt is not used.
Timer A0 to A4 input/output pins
(TA0OUT is N-channel open drain output)
Timer A0 to A4 input pins
Timer B0 to B5 input pins
Three-phase motor control timer output pins
Input pins to control data transmission
Output pins to control data reception
Serial clock input/output pins
Serial data input pins
Serial data output pins
(TXD2 is N-channel open drain output)
Serial data input/output pins
(SDA2 is N-channel open drain output)
Serial clock input/output pins
(SCL2 is N-channel open drain output)
Serial data output pins when slave mode is selected
(STXD2 is N-channel open drain output)
Serial data input pins when slave mode is selected
Control input pins used in the serial interface special mode.
REJ03B0242-0100 Rev.1.00 Nov 01, 2009
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