參數(shù)資料
型號(hào): 37C669
廠商: SMSC Corporation
英文描述: DIODE SCHOTTKY SINGLE 25V 200mW 0.5V-vf 200mA-IFM 30mA-IF 2uA-IR SOD-323 3K/REEL
中文描述: 電腦98/99順從超級(jí)I / O軟盤控制器與紅外線支持
文件頁數(shù): 117/164頁
文件大?。?/td> 621K
代理商: 37C669
56
PERPENDICULAR MODE
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
0
1
0
1
0
Command Codes
OW
0
D3
D2
D1
D0
GAP
WGATE
INVALID CODES
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
Invalid Codes
Invalid Command Codes (No
Op - FDC37C669 goes into
Standby State)
Result
R
ST0
ST0 = 80H
LOCK
DATA BUS
PHASE
R/W
D7
D6
D5
D4
D3
D2
D1
D0
REMARKS
Command
W
LOCK
0
1
0
1
0
Command Codes
Result
R
0
LOCK
0
SC is returned if the last command that was issued was the Format command. EOT is returned if the
last command was a Read or Write.
NOTE: These bits are used internally only. They are not reflected in the Drive Select pins. It is the
user's responsibility to maintain correspondence between these bits and the Drive Select pins (DOR).
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