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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): 12/21頁
文件大小: 240K
代理商: W83C43
W83C43
- 12 -
Commands (I/O Address HEX 64) (PS/2 Mode), continued
COMMAND
FUNCTION
AB
Interface Test
BIT
04
03
02
01
00
BIT DEFINITION
No Error Detected
Keyboard "Clock" line is stuck low
Keyboard "Clock" line is stuck high
Keyboard "Data" line is stuck low
Keyboard "Data" line is stuck high
AD
Disable Keyboard Interface
AE
Enable Keyboard Interface
C0
Read Input Port
C1
Poll Input Port Low
C2
Poll Input Port High
D0
Read Output Port
D1
Write Output Port
D2
Write Keyboard Output Buffer
D3
Write Auxiliary Device Output Buffer
D4
Write to Auxiliary Device
E0
Read Test Inputs
F0-FF
Pulse Output Port
AC TIMING
NO.
DESCRIPTION
MIN.
MAX.
UNIT
T1
Address Setup Time from WRB
0
nS
T2
Address Setup Time from RDB
0
nS
T3
WRB Strobe Width
20
nS
T4
RDB Strobe Width
20
nS
T5
Address Hold Time from WRB
0
nS
T6
Address Hold Time from RDB
0
nS
T7
Data Setup Time
50
nS
T8
Data Hold Time
0
nS
T9
Gate Delay Time from WRB
10
30
nS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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