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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): 11/27頁
文件大小: 328K
代理商: W81C280
W81C280
Publication Release Date: July 1997
- 7 -
Revision 0.50
4.1 Pin Description, continued
40 DIP PIN#
NAME
TYPE
DESCRIPTION
28
P26/ KBSI6
INPUT
Keyboard scan intput line 6
29
P27/ KBSI7
INPUT
Keyboard scan intput line 7
30
DM
I/O
USB upstreampoint negative drive
31
DP
I/O
USB upstreampoint positive drive
32
VDD3
OUTPUT
3.3V input for USB bus drive
33
P07/ KBSO7
OUTPUT
Keyboard scan output line 7
34
P06/ KBSO6
OUTPUT
Keyboard scan output line 6
35
P05/ KBSO5
OUTPUT
Keyboard scan output line 5
36
P04/ KBSO4
OUTPUT
Keyboard scan output line 4
37
P03/ KBSO3
OUTPUT
Keyboard scan output line 3
38
P02/ KBSO2
OUTPUT
Keyboard scan output line 2
39
P01/ KBSO1
OUTPUT
Keyboard scan output line 1
40
P00/ KBSO0
OUTPUT
Keyboard scan output line 0
41
VDD
POWER
Power supply
42
KBSO17
OUTPUT
Keyboard scan output line 17
* In 40 pin configuration,P34,P35 are shared by LED drive and Scanout function.
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