參數(shù)資料
型號(hào)： MSM64172-XXX
廠商： LAPIS SEMICONDUCTOR CO LTD
元件分類： 微控制器/微處理器
英文描述： 4-BIT, MROM, 0.6 MHz, MICROCONTROLLER, UUC
封裝： DIE
文件頁數(shù)： 27/30頁
文件大?。?/td> 239K
代理商： MSM64172-XXX
5/29
Semiconductor
MSM64172
PIN DESCRIPTIONS
Basic Functions
Type
Function
Description
VDD
VSS1
VSS2
VSS3
VSS
VSSL
C1, C2
XT
OSC1
OSC2
P0.0 to P0.3
P1.0 to P2.3
BD
S16 to S22
S0/P3.0 to
S15/P6.3
COM3/S23
COM2/S24
COM1
COM0
RESET
TST1
TST2
Power Supply
Oscillation
Ports
Symbol
Test
Reset
I
O
I/O
I
O
I
O
I
0 V power supply
Bias output for driving LCD (–1.5 V), or negative power supply at 1.5 V spec.
Bias output for driving LCD (–3.0 V), or negative power supply at 3.0 V spec.
Bias output for driving LCD (–4.5 V).
Negative power supply for I/O port interface
Negative power supply for internal logic (internally generated constant voltage)
Pins for connecting a capacitor for generating VSS1, VSS2, and VSS3.
32.768 kHz crystal connection pins
High-speed clock pins :
A ceramic resonator and capacitors, or an external oscillation resistor (ROS),
should be connected to these pins.
Input port
Input-output ports
Buzzer driver pin
LCD driver pins
LCD driver pins or output ports by mask option
LCD common 3 signal output pin, or segment signal output pin
during 1/3 or 1/2 duty
LCD common 2 signal output pin, or segment signal output pin
during 1/2 duty
LCD common 1 signal output pin
LCD common 0 signal output pin
Reset pin
Input pins for testing
—
P1.3
I
Serial data input pin (SIN)
P2.0
O
Serial data output pin (SOUT)
P2.1
O
Serial communication ready signal output pin (SPR)
P2.2
I/O
Serial communication clock input-output pin (SCLK)
P2.3
O
High-speed oscillation clock monitor pin for system clock (MON)
Symbol
Type
Description
Secondary Functions
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