LPC47B37X Ver la hoja de datos (PDF) - SMSC -> Microchip
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LPC47B37X
SMSC -> Microchip
LPC47B37X Datasheet PDF : 254 Pages
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DESCRIPTION OF PIN FUNCTIONS
Note: There are no internal pullups on any of the pins in the LPC47B37x.
PIN #
NAME
1
GP40/DRVDEN0
2
GP41/DRVDEN1
3
nMTR0
5
nDS0
8
nDIR
9
nSTEP
10
nWDATA
11
nWGATE
12
nHDSEL
13
nINDEX
14
nTRK0
15
nWRTPRT
16
nRDATA
4
nDSKCHG
20
LAD0
21
LAD1
22
LAD2
23
LAD3
24
nLFRAME
25
nLDRQ
26
nPCI_RESET
27
nLPCPD
29
PCI_CLK
30
SER_IRQ
32
GP10 / IRQ3
33
GP11 / IRQ4
34
GP12 / IRQ5
35
GP13 / IRQ7
36
GP14 / IRQ9
37
GP15 / IRQ10
38
GP16 / IRQ11
39
GP17 / IRQ15
BUFFER
FUNCTION
TYPE
FDD INTERFACE
General Purpose I/O/Drive
IO12
Density Select 0
General Purpose I/O/Drive
IO12
Density Select 1
Motor On 0
O12
Drive Select 0
O12
Step Direction
O12
Step Pulse
O12
Write Disk Data
O12
Write Gate
O12
Head Select
O12
Index Pulse Input
IS
Track 0
IS
Write Protected
IS
Read Disk Data
IS
Disk Change
IS
LPC INTERFACE
Multiplexed Command
PCI_IO
Address and Data 0
Multiplexed Command
PCI_IO
Address and Data 1
Multiplexed Command
PCI_IO
Address and Data 2
Multiplexed Command
PCI_IO
Address and Data 3
Frame
PCI_I
Encoded DMA Request
PCI_O
PCI Reset
PCI_I
Power Down (Note 2)
PCI_I
PCI Clock
PCI_ICLK
Serial IRQ
PCI_IO
GENERAL PURPOSE I/O PINS
General Purpose I/O /IRQ3
IO8
General Purpose I/O /IRQ4
IO8
General Purpose I/O /IRQ5
IO8
General Purpose I/O /IRQ7
IO8
General Purpose I/O /IRQ9
IO8
General Purpose I/O /IRQ10 IO8
General Purpose I/O /IRQ11 IO8
General Purpose I/O /IRQ15 IO8
BUFFER TYPE PER
FUNCTION (NOTE 1)
IO12/(O12/OD12)
IO12/(O12/OD12)
(O12/OD12)
(O12/OD12)
(O12/OD12)
(O12/OD12)
(O12/OD12)
(O12/OD12)
(O12/OD12)
IS
IS
IS
IS
IS
PCI_IO
PCI_IO
PCI_IO
PCI_IO
PCI_I
PCI_O
PCI_I
PCI_I
PCI_ICLK
PCI_IO
(I/O8/OD8)/I
(I/O8/OD8)/I
(I/O8/OD8)/I
(I/O8/OD8)/I
(I/O8/OD8)/I
(I/O8/OD8)/I
(I/O8/OD8)/I
(I/O8/OD8)/I
6
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