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參數(shù)資料
| 型號： | MSM64P155-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, 0.035 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | QFP-100 |
| 文件頁數(shù)： | 3/61頁 |
| 文件大?。?/td> | 274K |
| 代理商： | MSM64P155-NGS-BK |
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1-6
Table 1-1 (b) Explanation of Pins (Basic Functions)
Type
Pin
Name
Pin
No.
Function
Port
P2.0
8
Input
4-bit input port (port 2):
This is a 4-bit input port permitting selection of the pull-down resistance
input/high impedance input for each bit through the controller register
of port 2 (P2CON).
Its secondary functios are trigger input of capture circuits and an
external interrupt function.
Also, system reset is run when P2.0~P2.3 reach the "H" level.
P2.1
7
P2.2
6
P2.3
5
P3.0
10
Input
2-bit input port (port 3):
This is a 2-bit input port permitting selection of the pull-down resistance
input/high impedance input through the controller register of port 3
(P3CON).
Its secondary functions are input functions for the event counter by
P3.1 and an external interrupt by P3.0.
P3.1
9
P6.0
18
Input/
Output
4-bit input/output port (port 6):
This is a 4-bit input/output port permitting selection of input/output
through the controller register (P6CON) of port 6 (P6CON), selection
of the pull-down resistance input/high impedance input during input,
and selection of open drain output/CMOS output during output
operations.
Its secondary function is to allocate external interrupt functions.
Input/
Output
P6.1
17
P6.2
16
P6.3
15
P7.0
22
Input/
Output
4-bit input/output port (port 7):
This is a 4-bit input/output port permitting selection of input/output
through the controller register of port 7 (P7CON), selection of the
pull-down resistance input/high impedance input during input, and
selection of open drain output/CMOS output during output.
Its secondary function is external interrupt function.
P7.1
21
P7.2
20
P7.3
19
MD0
25
Output
This is the output pin of melody driver 0.
MD0
24
Output
This is the reversed phase output pin for MD0 output.
MD1
26
Output
This is the output pin of melody driver 1.
MD1
27
Output
This is the reversed phase pin of MD1 output.
Melody
Driver
COM1
95
Output
These are the LCD common signal output pins.
LCD Driver
COM2
94
Output
COM3
93
Output
COM4
92
Output
P4.0
14
Output
4-bit output port (port 4):
This is a 4-bit CMOS output port.
P4.1
13
P4.2
12
P4.3
11
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