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參數(shù)資料
| 型號： | MB89923PF |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 20 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 43/44頁 |
| 文件大?。?/td> | 1091K |
| 代理商： | MB89923PF |
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MB89920 Series
8
DS07-12526-2E
(Continued)
Pin no.
Pin name
Circuit
type
Function
27
P30/UI
E
General-purpose I/O port
A pull-up resistor option is provided.
Also serves as a UART data input (UI).
28 to 31
P27 to P24
D
General-purpose I/O ports
A pull-up resistor option is provided.
32
P23/RTI1
E
General-purpose I/O port
A pull-up resistor option is provided.
Also serves as an input capture data input.
33,
34
P22,
P21
D
General-purpose I/O ports
A pull-up resistor option is provided.
35
P20/RTI0
E
General-purpose I/O port
A pull-up resistor option is provided.
Also serves as an input capture data input.
36 to 39
P07 to P04
D
General-purpose I/O ports
A pull-up resistor options is provided.
40 to 43
P03/INT3 to
P00/INT0
E
General-purpose I/O ports
A pull-up resistor options is provided.
Also serve as an external interrupt input (INT0 to INT3).
44 to 51
P17/AN7 to
P10/AN0
G
CMOS I/O ports
Also serve as an A/D converter analog input.
57,
58
P45/V2,
P44/V1
F
LCD driving power supply pins
These pins can be used as an N-ch open-drain general-purpose
I/O when not used as an LCD driving power supply.
59 to 62
P43/COM3 to
P40/COM0
F
LCD common output pins
These pins can be used as an N-ch open-drain general-purpose
I/O when not used as an LCD common output.
63 to 70
P50/SEG0 to
P57/SEG7
F
LCD segment output pins
These pins can be used as an N-ch open-drain general-purpose
I/O when not used as an LCD segment output.
71 to 78
P60/SEG8 to
P67/SEG15
F
LCD segment output pins
These pins can be used as an N-ch open-drain general-purpose
I/O when not used as an LCD segment output.
79,
80
P70/SEG16,
P71/SEG17
F
LCD segment output pins
These pins can be used as an N-ch open-drain general-purpose
I/O when not used as an LCD segment output.
1 to 6
P72/SEG18 to
P77/SEG23
F
LCD segment output pins
These pins can be used as an N-ch open-drain general-purpose
I/O when not used as an LCD segment output.
7 to 10
P80/SEG24 to
P83/SEG27
F
LCD segment output pins
These pins can be used as an N-ch open-drain general-purpose
I/O when not used as an LCD segment output.
52
AVSS
A/D converter power supply (GND) pin
53
AVR
A/D converter reference power supply pin
54
AVCC
A/D converter power supply pin
55
VCC
Power supply pin
56
V3
LCD driving power supply pin
15
VSS
Power supply (GND) pin
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