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參數(shù)資料
| 型號(hào)： | W83C43 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Keyboard Controller(鍵盤控制器) |
| 中文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PDIP40 |
| 封裝： | DIP-40 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大小： | 240K |
| 代理商： | W83C43 |
W83C43
- 4 -
Pin Description, continued
PIN NO.
I/O
NAME
FUNCTION
(40-pin
DIP)
(44-pin
PLCC)
AT MODE
PS/2 MODE
27
30
I/O
PU*
P10
Bit 0 of Port1
(User-defined I/O)
Bit 0 of Port1
(K/B Data Input)
28
31
I/O
PU*
P11
Bit 1 of Port1
(User-defined I/O)
Bit 1 of Port1
(Mouse Data Input)
29
32
I/O
P12
Bit 2 of Port2
(User-defined I/O)
Bit 2 of Port2
(User-defined I/O)
30
33
I/O
P13
Bit 3 of Port1
(User-defined I/O)
Bit 3 of Port1
(User-defined I/O)
31
35
I
PU*
P14
Bit 4 of Port1
(RAM: RAM Jumper
Select)
Bit 4 of Port1
(RAM: RAM Jumper
Select)
32
36
I
PU*
P15
Bit 5 of Port1
(JUMP: Jumper)
Bit 5 of Port1
(JUMP: Jumper)
33
37
I
PU*
P16
Bit 6 of Port1
(DISP: Display Select)
Bit 6 of Port1
(DISP: Display Select)
34
38
I
PU*
P17
Bit 7 of Port1
(KINH: K/B Inhibit Switch)
Bit 7 of Port1
(KINH: K/B Inhibit Switch)
35
39
O
P24
Bit 4 of Port2
(KINT: K/B OBF O/P
Interrupt)
Bit 4 of Port2
(KINT: K/B OBF O/P
Interrupt)
36
40
O
P25
Bit 5 of Port2
(IEMP: I/P Buffer Empty)
Bit 5 of Port2
(MINT: Mouse OBF O/P
Interrupt)
37
41
O
P26
Bit 6 of Port2
(KCLK: K/B Clock Output)
Bit 6 of Port2
(KCLK: K/B Clock Output)
38
42
O
P27
Bit 7 of Port2
(KDAT: K/B Data Output)
Bit 7 of Port2
(KDAT: K/B Data Output)
39
43
I
T1
K/B Data Input
Mouse Clock Input
40
44
-
Vcc
+5V Power Supply
+5V Power Supply
* Internal pull-up resistor
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