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参数资料
| 型号： | M34509G4HFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO24 |
| 封装： | 5.30 X 10.10 MM, 0.80 MM PITCH, PLASTIC, SSOP-24 |
| 文件页数： | 78/143页 |
| 文件大小： | 1056K |
| 代理商： | M34509G4HFP |
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Rev.1.03
2009.07.27
page 4 of 140
REJ03B0147-0103
4509 Group
PIN DESCRIPTION
Name
Power supply
Ground
CNVSS
Reset input/output
System clock input
I/O port D
Input is examined by
skip decision.
I/O port P0
I/O port P1
I/O port P2
I/O port P3
Timer input/output
Interrupt input
Analog input
Serial interface clock I/O
Serial interface data output
Serial interface data input
Pin
VDD
VSS
CNVSS
RESET
XIN
D0–D5
P00–P03
P10–P13
P20, P21
P30, P31
CNTR0
CNTR1
INT
AIN0–AIN5
SCK
SOUT
SIN
Input/Output
—
I/O
Input
I/O
Input
I/O
Output
Input
Function
Connected to a plus power supply.
Connected to a 0 V power supply.
Connect CNVSS to VSS and apply “L” (0V) to CNVSS certainly.
An N-channel open-drain I/O pin for a system reset. When the SRST instruction,
watchdog timer, the voltage drop detection circuit (only for H version) or the built-in
power-on reset (only for H version) causes the system to be reset, the RESET pin out-
puts “L” level.
I/O pins of the main clock generating circuit. When using a ceramic resonator, connect it
between pins XIN and XOUT. A feedback resistor is built-in between them. When using
the RC oscillation, connect a resistor and a capacitor to XIN, and leave XOUT pin open.
Each pin of port D has an independent 1-bit wide I/O function.
The output structure can be switched to N-channel open-drain or CMOS by software.
For input use, set the latch of the specified bit to “1” and select the N-channel open-drain.
Ports D2 and D3 are equipped with a pull-up function and a key-on wakeup function.
Both functions can be switched by software.
Ports D2 and D3 are also used as AIN4 and AIN5, respectively.
Port P0 serves as a 4-bit I/O port.
The output structure can be switched to N-channel open-drain or CMOS by software.
For input use, set the latch of the specified bit to “1” and select the N-channel open-drain.
Port P0 has a key-on wakeup function and a pull-up function. Both functions can be
switched by software.
Ports P00, P01 and P02 are also used as SIN, SOUT and SCK, respectively.
Port P1 serves as a 4-bit I/O port.
The output structure can be switched to N-channel open-drain or CMOS by software.
For input use, set the latch of the specified bit to “1” and select the N-channel open-drain.
Port P1 has a key-on wakeup function and a pull-up function. Both functions can be
switched by software.
Ports P11, P12 and P13 are also used as CNTR1, CNTR0 and INT, respectively.
Port P2 serves as a 2-bit I/O port.
The output structure can be switched to N-channel open-drain or CMOS by software.
For input use, set the latch of the specified bit to “1” and select the N-channel open-drain.
Port P2 has a key-on wakeup function and a pull-up function. Both functions can be
switched by software.
Ports P20 and P21 are also used as AIN0 and AIN1, respectively.
Port P3 serves as a 2-bit I/O port.
The output structure can be switched to N-channel open-drain or CMOS by software.
For input use, set the latch of the specified bit to “1” and select the N-channel open-drain.
Ports P30 and P31 are also used as AIN2 and AIN3, respectively.
CNTR0 pin has the function to input the clock for the timer 2 event counter, and to
output the PWM signal generated by timer 1.
This pin is also used as port P12.
CNTR1 pin has the function to input the clock for the timer 1 event counter, and to
output the PWM signal generated by timer 2.
This pin is also used as port P11.
INT pin accepts external interrupts. It has the key-on wakeup function which can be
switched by software.
This pin is also used as port P13.
A/D converter analog input pins.
AIN0–AIN5 are also used as ports P20, P21, P30, P31, D2 and D3, respectively.
Serial interface data transfer synchronous clock I/O pin. SCK pin is also used as port P02.
Serial interface data output pin. SOUT pin is also used as port P01.
Serial interface data input pin. SIN pin is also used as port P00.
XOUT
System clock output
Output
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