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FDC37B78X Datasheet(PDF) 9 Page - SMSC Corporation

Part # FDC37B78X
Description  Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR
Download  249 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

FDC37B78X Datasheet(HTML) 9 Page - SMSC Corporation

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8
PIN
No./QFP
NAME
TOTAL
SYMBOL
BUFFER TYPE
7, 48,
74, 104
Digital Ground
4
VSS
67
Analog Ground
1
AVSS
69
Trickle Supply Voltage
1
VTR
65
Battery Voltage
1
VBAT
POWER MANAGEMENT (3)
19
Power On
1
nPOWERON
OD24
20
Button In
1
BUTTON_IN
I
21
Power Management Event/SCI/IRQ9
1
nPME
O12
FDD INTERFACE (16)
16
Read Disk Data
1
nRDATA
IS
11
Write Gate
1
nWGATE
O24
10
Write Disk Data
1
nWDATA
O24
12
Head Select
1
nHDSEL
O24
8
Step Direction
1
nDIR
O24
9
Step Pulse
1
nSTEP
O24
17
Disk Change
1
nDSKCHG
IS
5
Drive Select 0
1
nDS0
O24
6
Drive Select 1/GP17
1
nDS1
IO24
3
Motor On 0
1
nMTR0
O24
4
Motor On 1/GP16
1
nMTR1
IO24
15
Write Protected
1
nWRTPRT
IS
14
Track 0
1
nTRKO
IS
13
Index Pulse Input
1
nINDEX
IS
1
Drive Density Select 0
1
DRVDEN0
O24
2
Drive Density Select 1/GP52/IRQ8/nSMI
1
DRVDEN1
IO24
GENERAL PURPOSE I/O (6)
77
General Purpose 10/nSMI
1
GP10
IO12
78
General Purpose 11/nRING/EETI
1
GP11
IO4


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