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參數(shù)資料
型號: W81C280
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: USB Keyboard/ Device Controller(具有通用串行總線接口的鍵盤/設(shè)備控制器)
中文描述: 8-BIT, MROM, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數(shù): 10/27頁
文件大小: 328K
代理商: W81C280
W81C280
Publication Release Date: July 1997
- 6 -
Revision 0.50
5.2 42 DIP PIN
PIN NO.
NAME
TYPE
DESCRIPTION
1
KBSO16
OUTPUT
Keyboard scan output line 16
2
P10 / KBSO8
OUTPUT
Keyboard scan output line 8
3
P11 / KBSO9
OUTPUT
Keyboard scan output line 9
4
P12 / KBSO10
OUTPUT
Keyboard scan output line 10
5
P13 / KBSO11
OUTPUT
Keyboard scan output line 11
6
P14 / KBSO12
OUTPUT
Keyboard scan output line 12
7
P15 / KBSO13
OUTPUT
Keyboard scan output line 13
8
P16 / KBSO14
OUTPUT
Keyboard scan output line 14
9
P17 / KBSO15
OUTPUT
Keyboard scan output line 15
10
RESET
INPUT
Reset signal
11
P30(TT0) / SCL
I/O
P30 / EEPROM CLK ( IE.6=1, IP.3=1,see 5.3)
Pull high when RESET falling
12
P31(TT1) / SDA
I/O
P31 / EEPROM DATA ( IE.6=1, IP.3=1,see 5.3)
Pull high when RESET falling
13
PSCL
I/O
PS2 clock line
14*
PSDA
I/O
PS2 data line
15*
P34/ KBSO16/ LED0
I/O
Keyboard scan output line 16(Direct LED0 Drive)
16
P35/ KBSO17/ LED1
I/O
Keyboard scan output line 17(Direct LED1 Drive)
17
P36/ LED2
OUTPUT
Direct LED2 drive, Port36
18
VSSA
POWER
Analog ground
19
CLK0
OUTPUT
Crystal output
20
CLK1
INPUT
Crystal input
21
VSS
POWER
GND
22
P20/ KBSI0
INPUT
Keyboard scan intput line 0
23
P21/ KBSI1
INPUT
Keyboard scan intput line 1
24
P22/ KBSI2
INPUT
Keyboard scan intput line 2
25
P23/ KBSI3
INPUT
Keyboard scan intput line 3
26
P24/ KBSI4
INPUT
Keyboard scan intput line 4
27
P25/ KBSI5
INPUT
Keyboard scan intput line 5
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