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FDC37C93XFR View Datasheet(PDF) - SMSC -> Microchip

Part NameDescriptionManufacturer
FDC37C93XFR Plug and Play Compatible Ultra I/OÔController with Fast IR SMSC
SMSC -> Microchip SMSC
FDC37C93XFR Datasheet PDF : 262 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
DESCRIPTION OF PIN FUNCTIONS
PIN NO.
NAME
SYMBOL
PROCESSOR/HOST INTERFACE
72:79 System Data Bus
SD[0:7]
41:52 System Address Bus
SA[0:11]
53
Chip Select/SA12 (Active Low)(Note 1, 4)
nCS
70
Address Enable (DMA master has bus control)
AEN
90
I/O Channel Ready
IOCHRDY
80
67:61,
59:54
82,84,
86,88
Reset Drive
Interrupt Requests [1,3:12,14,15]
(Polarity control for IRQ8)
DMA Requests
RESET_DRV
IRQ[1,3:12,
14,15]
DRQ[0:3]
81,83, DMA Acknowledge
85,87
nDACK[0:3]
89
Terminal Count
TC
68
I/O Read
nIOR
69
I/O Write
nIOW
35
High Speed Clock Out 24/48 MHz
HCLK
36
16 MHz Out
16CLK
22
14.318 MHz Clock Input
CLOCKI
37
14.318 MHz Clock Output 1
CLKO1
38
14.318 MHz Clock Output 2
CLKO2
39
14.318 MHz Clock Output 3
CLKO3
POWER PINS
21, 60, +5V Supply Voltage
101, 125,
139
VCC
32
Trickle Voltage Input
VTR
1, 8, 40, Ground
71, 95,
123, 130
GND
FDD INTERFACE
17
Read Disk Data
nRDATA
12
Write Gate
nWGATE
BUFFER TYPE
I/O24
I
I
I
OD24
IS
024/OD24
(Note 0)
O24
I
I
I
I
O20
O8SR
ICLK
O16SR
O8SR
O8SR
IS
OD48
5
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