BUFFER
TYPE
BUFFER TYPE
PER FUNCTION
(NOTE 1)
QFP
NAME
Port Data 7
Printer Selected Status
Paper End
Busy
Acknowledge
Error
Autofeed Output
Strobe Output
TOTAL
SYMBOL
PD7
SLCT
PE
BUSY
nACK
nERROR
nALF
NOTES
PIN #
75
77
78
79
80
81
82
83
IOP14
IOP14
I
I
I
I
I
1
1
1
1
1
1
1
1
I
I
I
I
I
OP14
OP14
(OD14/OP14)
(OD14/OP14)
nSTROBE
KEYBOARD/MOUSE INTERFACE (6)
IOD16
IOD16
IOD16
IOD16
56
57
58
59
63
Keyboard Data
Keyboard Clock
Mouse Data
1
1
1
1
1
KDAT
KCLK
MDAT
MCLK
IOD16
IOD16
IOD16
IOD16
IO8
Mouse Clock
(I/O8/OD8)/O8
9
9
General Purpose I/O
/Keyboard Reset
General Purpose I/O
/Gate A20
GP36/
nKBDRST
(I/O8/OD8)/O8
64
1
GP37/A20M
IO8
USB HUB(18)
USB+
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
IOUSB
103
104
105
106
107
108
109
110
111
112
Serial Port Upstream Data
+
1
1
1
1
1
1
1
1
1
1
USB-
PD1+
PD 1-
PD 2+
PD 2-
PD 3+
PD 3-
PD 4+
PD 4-
Serial Port Upstream Data
-
Serial Port Downstream
Data +
Serial Port Downstream
Data -
Serial Port Downstream
Data +
Serial Port Downstream
Data -
Serial Port Downstream
Data +
Serial Port Downstream
Data -
Serial Port Downstream
Data +
Serial Port Downstream
Data -
nUSBOC1
nPWREN1
nUSBOC2
nPWREN2
nUSBOC3
nPWREN3
nUSBOC4
nPWREN4
nStrp0
IPU
O24
IPU
O24
IPU
O24
IPU
O24
IPU
13
13
13
13
13
13
13
13
118
114
119
115
120
116
121
117
126
USB Over-Current sense
USB Power Enable
USB Over-Current sense
USB Power Enable
USB Over-Current sense
USB Power Enable
1
1
1
1
1
1
1
1
1
IPU
O24
IPU
O24
IPU
O24
IPU
O24
IPU
USB Over-Current sense
USB Power Enable
Input with
30ua Pull
Up
Input with
30ua Pull
Up
Number of Down Stream
Ports select
nStrp1
IPU
127
Number of Down Stream
Ports select
1
IPU
SMSC DS – LPC47M14X
Page 12
Rev. 03/19/2001
SMSC [ SMSC CORPORATION ]
