LPC47B34X View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
Manufacturer
LPC47B34X Datasheet PDF : 250 Pages
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PIN #
NAME
81
nINIT
82
nSLCTIN
83
PD0
84
PD1
85
PD2
86
PD3
88
PD4
89
PD5
90
PD6
91
PD7
92
SLCT
93
PE
94
BUSY
95
nACK
96
nERROR
97
nALF
98
nSTROBE
112
RXD1
113
TXD1
114
nDSR1
115
nRTS1
116
nCTS1
117
nDTR1
118
nRI1
119
nDCD1
120
nRI2 /GP50
122
nDCD2 /GP51
123
RXD2 /GP52
124
TXD2 /GP53
(Note 5)
125
nDSR2 /GP54
FUNCTION
PARALLEL PORT INTERFACE
Initiate Output/FDC Direction Control
Printer Select Input/FDC Step Pulse
Port Data 0/FDC Index
Port Data 1/FDC Track 0
Port Data 2/FDC Write Protected
Port Data 3/FDC Read Disk Data
Port Data 4/FDC Disk Change
Port Data 5
Port Data 6/FDC Motor On 0
Port Data 7
Printer Selected Status/FDC Write
Gate
Paper End/FDC Write Data
Busy/FDC Motor On
Acknowledge/FDC Drive Select 1
Error/FDC Head Select
Autofeed Output/FDC Density Select
Strobe Output/FDC Drive Select
SERIAL PORT 1 INTERFACE
Receive Data 1
Transmit Data 1
Data Set Ready 1
Request to Send 1
Clear to Send 1
Data Terminal Ready 1
Ring Indicator 1
Data Carrier Detect 1
SERIAL PORT 2 INTERFACE
Ring Indicator 2 /GPIO
Data Carrier Detect 2 /GPIO
Receive Serial Data 2 /GPIO
Transmit Serial Data 2 /GPIO
Data Set Ready 2 /GPIO
10
BUFFER
TYPE
(OD14/OP
14)
(OD14/
OP14)
IS/OP14
IS/OP14
IS/OP14
IS/OP14
IS/OP14
IOP14
IOP14
IOP14
IO12
IO12
IO12
IO12
IO12
(OD14/
OP14)
(OD14/
OP14)
IS
O12
I
O8
I
O6
I
I
IO8
IO8
IS/O8
IO12
IO8
BUFFER TYPE
PER FUNCTION
(NOTE 6)
(OD14/OP14)/
OD14
(OD14/OP14)/
OD14
IOP14/IS
IOP14/IS
IOP14/IS
IOP14/IS
IOP14/IS
IOP14
IOP14/OD14
IOP14
I/OD12
I/OD12
I/OD12
I/OD12
I/OD12
(OD14/OP14)/
OD14
(OD14/OP14)/
OD14
IS
O12
I
O8
I
O6
I
I
I /(I/O8/OD8)
I /(I/O8/OD8)
IS /(I/O8/OD8)
O12
/(I/O12/OD12)
I /(I/O8/OD8)
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