- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄363903 > W83C45 (WINBOND ELECTRONICS CORP) Keyboard Controller(鍵盤控制器) PDF資料下載
參數(shù)資料
| 型號： | W83C45 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | Keyboard Controller(鍵盤控制器) |
| 中文描述： | 鍵盤控制器（鍵盤控制器） |
| 文件頁數(shù)： | 13/21頁 |
| 文件大小： | 245K |
| 代理商： | W83C45 |
W83C45
Publication Release Date: November 1996
Preliminary Revision 0.9
- 13 -
PS/2 MODE Commands (I/O Address HEX 64), continued
COMMAND
FUNCTION
ABh
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
ADh
Disable Keyboard Interface
AEh
Enable Keyboard Interface
C0h
Read Input Port(P1) and send data to the system
C1h
Continuously puts the lower four bits of Port1 into STATUS register
C2h
C3h
C4h
Continuously puts the upper four bits of Port1 into STATUS register
Make P25(MIRQ) tri-state by writing this command twice consecutively
Make P25(MIRQ) released from tri-state by writing this command twice
consecutively
Send Port2 value to the system
D0h
D1h
Only set/reset GateA20 line based on the system data bit 1
D2h
Send data back to the system as if it came from Keyboard
D3h
Send data back to the system as if it came from Auxiliary Device
D4h
Output next received byte of data from system to Auxiliary Device
E0h
Reports the status of the test inputs
FXh
F0h-FFh, Pulse only RC(the reset line) low for 6
μ
S if Command byte is
even
11.0 AC TIMING
ITEM
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W83C553F | SYSTEM I/O CONTROLLER WITH PCI ARBITER |
| W83L177R | 100MHZ 2-DIMM SDRAM BUFFER FOR NOTEBOOK |
| W83L518D | Integrated Media Reader |
| W83L784AR | WINBOND H/W MONITORING IC |
| W83L784 | Monitoring IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W83C45P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Keyboard Controller |
| W83C553F | 制造商:WINBOND 制造商全稱:Winbond 功能描述:SYSTEM I/O CONTROLLER WITH PCI ARBITER |
| W83C553FG | 制造商:Winbond Electronics Corp 功能描述: |
| W83C553F-G | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:W83C553F-G Highly Integrated System I/O Controller for Power PCTM (South Bridge) QFP 208 |
| W83C553FY-G | 制造商:Nuvoton Technology Corp 功能描述:I/O Controller Phase Controller 208-Pin PQFP 制造商:Winbond Electronics 功能描述:I/O CONTROLLER 制造商:Nuvoton Technology 功能描述:I/O Controller Phase Controller 208-Pin PQFP |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。