參數(shù)資料
型號: 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I / O軟盤控制器與紅外線支持
文件頁數(shù): 83/164頁
文件大?。?/td> 621K
代理商: 37C669
25
Table 7 - External 2 to 4 Drive Decode - Normal
DIGITAL OUTPUT REGISTER
DRIVE SELECT
OUTPUTS
(ACTIVE LOW)
MOTOR ON OUTPUTS
(ACTIVE LOW)
Bit 7
Bit 6
Bit 5
Bit 4
Bit1
Bit 0
nDS1
nDS0
nMTR1
nMTR0
X
1
0
1
0
X
1
X
0
1
0
1
0
X
1
X
1
0
1
0
1
0
1
X
1
0
X
0
1
X
0
X
0
1
0
1
X
0
X
1
0
1
0
1
0
X
1
Table 8 - External 2 to 4 Drive Decode - Drives 0 and 1 Swapped
DIGITAL OUTPUT REGISTER
DRIVE SELECT
OUTPUTS
(ACTIVE LOW)
MOTOR ON OUTPUTS
(ACTIVE LOW)
Bit 7
Bit 6
Bit 5
Bit 4
Bit1
Bit 0
nDS1
nDS0
nMTR1
nMTR0
X
1
0
1
0
X
1
X
0
1
0
1
0
X
1
X
1
0
1
0
1
0
1
X
1
0
X
0
1
X
0
X
0
1
0
1
X
0
X
1
0
1
0
1
0
X
1
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