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參數(shù)資料
| 型號： | MSM64P155-XXXGS-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, 0.032768 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件頁數(shù)： | 3/25頁 |
| 文件大?。?/td> | 208K |
| 代理商： | MSM64P155-XXXGS-BK |
MSM64P155
Semiconductor
10/23
PROM-Related Pins
The pins for writing program data of the MSM64P155 are shown below.
Programming
O
0 V power supply
23
100
99
4
I
PROM programming setting pins.
When a "H" level is input to these pins, the device enters the PROM
mode.
1
30
29
91
I
Normally apply a "H" level to this pin.
69
Pin
Description
Type
Function
VSS
VDD1*
VDD2*
VPP
RESET
TST1
TST2
SEG0/D0
SEG22
Symbol
—
Positive power supply pin (+5 V)
—
Positive power supply pin (+5 V)
—
Power supply pin for programming PROM (+12.5 V)
Pins for writing or reading program data to and from PROM.
I/O
90
SEG1/D1
89
SEG2/D2
88
SEG3/D3
87
SEG4/D4
86
SEG5/D5
85
SEG6/D6
84
SEG7/D7
83
SEG8/CE
PROM chip enable pin
I/O
82
SEG9/OE
PROM output enable signal
I/O
81
SEG10/A0
80
SEG11/A1
79
SEG12/A2
78
SEG13/A3
77
SEG14/A4
76
SEG15/A5
75
SEG16/A6
Program address input pins
74
SEG17/A7
73
SEG18/A8
72
SEG19/A9
71
SEG20/A10
70
SEG21/A11
I
* When in PROM mode, supply a 5 V power to both VDD1 and VDD2.
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