參數(shù)資料
型號: M308A0SGP
元件分類: 微控制器/微處理器
英文描述: MROM, 32 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 8/68頁
文件大小: 1193K
代理商: M308A0SGP
M32C/8A Group
1. Overview
REJ03B0213-0111 Rev.1.11 Mar 31, 2009
Page 16 of 66
Table 1.12
Pin Functions (100-Pin and 144-Pin Packages) (2/3)
Item
Pin Name
I/O
Type
Supply
Voltage
Description
Main clock
input
XIN
I
VCC1
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.
Main clock
output
XOUT
O
VCC1
Sub clock
input
XCIN
I
VCC1
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.
Sub clock
output
XCOUT
O
VCC1
BCLK output
BCLK
O
VCC2
Bus clock output pin.
Clock output
CLKOUT
O
VCC2
The CLKOUT pin outputs the clock having the same frequency as
fC, f8, or f32.
INT interrupt
input
INT0 to INT2
I
VCC1
INT interrupt input pins.
INT3 to INT5
I
VCC2
NMI interrupt
input
NMI
I
VCC1
NMI interrupt input pin. Connect the NMI pin to VCC1 via a resistor
when the NMI interrupt is not used.
Timer A
TA0OUT to
TA4OUT
I/O
VCC1
Timer A0 to A4 input/output pins.
(TA0OUT is N-channel open drain output.)
TA0IN to
TA4IN
I
VCC1
Timer A0 to A4 input pins.
Timer B
TB0IN to
TB5IN
I
VCC1
Timer B0 to B5 input pins.
Three-phase
motor control
timer output
U, U, V, V,
W, W
O
VCC1
Three-phase motor control timer output pins.
Serial
interface
CTS0 to
CTS4
I
VCC1
Input pins to control data transmission.
RTS0 to
RTS4
O
VCC1
Output pins to control data reception.
CLK0 to CLK4
I/O
VCC1
Serial clock input/output pins.
RXD0 to
RXD4
I
VCC1
Serial data input pins.
TXD0 to
TXD4
O
VCC1
Serial data output pins.
(TXD2 is N-channel open drain output.)
I2C mode
SDA0 to
SDA4
I/O
VCC1
Serial data input/output pins.
(SDA2 is N-channel open drain output.)
SCL0 to SCL4
I/O
VCC1
Serial clock input/output pins.
(SCL2 is N-channel open drain output.)
Serial
interface
special function
STXD0 to
STXD4
O
VCC1
Serial data output pins when slave mode is selected.
(STXD2 is N-channel open drain output.)
SRXD0 to
SRXD4
I
VCC1
Serial data input pins when slave mode is selected.
SS0 to SS4
I
VCC1
Control input pins used in the serial interface special mode.
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