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參數(shù)資料
| 型號(hào)： | MSM64P155L-NGS-BK |
| 廠商： | LAPIS SEMICONDUCTOR CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, OTPROM, 0.066 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | QFP-100 |
| 文件頁數(shù)： | 2/61頁 |
| 文件大小： | 274K |
| 代理商： | MSM64P155L-NGS-BK |
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1-5
1.5
Explanation of Pins
1.5.1
Explanation of Each Pin
Table 1-1 shows basic functions of each of the MSM64P155 pins and Table 1-2 shows
their secondary functions.
Table 1-1 (a) Explanation of Pins (Basic Functions)
Type
Pin
Name
Pin
No.
Function
Power
Supply
VSS
23
—
Digital 0V power supply
Digital plus side power supply (for 1.5V specs)
LCD drive bias output (for 3.0V specs)
VDD1
100
—
Digital plus side power supply (for 3.0V specs)
LCD drive bias output (for 1.5V specs)
VDD2
99
—
VDD3
98
—
LCD drive bias output (+4.5V)
C1
97
—
LCD drive bias generating condenser connection pin
C2
96
—
VPP
4
—
Plus side power supply for PROM writing (+12.5V)
OSC0
2
Input
Clock oscillation pin:
Connect to crystal oscillator (32.768 kHz) and condenser
(10 pF~30 pF) or resistor (1MW) are connected.
OSC1
3
Output
Oscillation
TST1
30
Input
Input pin for tests
These are pulled down to VSS internally.
TST2
29
Input
TST3
28
Input
Test
RESET
1
Input
System reset input:
When this pin reaches the level "L" "H", internal status initialization is
conducted and instructions are executed from address 000H.
Built-in pull-down resistance on VSS.
Input/
Output
Reset
When this pin is set to "H" level, the 256Hz and 4Hz interrupts are
enabled, and the MSM64P155 can be used as an OTP version of the
MSM64152A, MSM64153A and MSM64158A.
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