FDC37C78(2000) Просмотр технического описания (PDF) - SMSC -> Microchip
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FDC37C78 Datasheet PDF : 82 Pages
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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
X
X
1
0
0
0
0
1
0
X
X
1
X
0
1
0
1
1
0
X
1
X
X
1
0
1
0
1
0
1
X
X
X
1
1
1
1
1
0
X
X
X
0
0
0
0
0
1
1
X
X
0
X
0
1
0
1
1
1
X
0
X
X
1
0
1
0
1
1
0
X
X
X
1
1
1
1
1
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
X
X
1
0
0
0
1
1
0
X
X
1
X
0
1
0
0
1
0
X
1
X
X
1
0
1
0
1
0
1
X
X
X
1
1
1
1
1
0
X
X
X
0
0
0
0
1
1
1
X
X
0
X
0
1
0
0
1
1
X
0
X
X
1
0
1
0
1
1
0
X
X
X
1
1
1
1
1
1
14
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