参数资料
型号: 37C669
厂商: 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: 电脑98/99顺从超级I / O软盘控制器与红外线支持
文件页数: 117/164页
文件大小: 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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