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• ECP: Parallel Interface to PC
Pin
1
2
DATAECP0
3
DATAECP1
4
DATAECP2
5
DATAECP3
6
DATAECP4
7
DATAECP5
8
DATAECP6
9
DATAECP7
10
11
12
13
14
32
31
36
ECPACTIVE
18
16
17-19
20
21
22
23
24
25
26-27-28-29-30
15-33-34-35
• USB: USB Interface
Pin
1
VBUS_USB
2
3
4
• LAN: Local Area Network Interface
Pin
1
2
3
4
5
6
7
8
- 14 -
Signal
Input/Output
HOSTCLK
PRPHCLK
PRPHACK
ACKRVRS
XFLAG
HOSTACK
PRPHREQ
RVRSREQ
ERREUR
GND
GND
GND
GND
GND
GND
GND
GND
GND
-
Signal
Input/Output
USBN
USBP
GND
Signal
Input/Output
TXP
TXN
RXP
NC
NC
RXN
NC
NC
I
Data clock (forward)
I/O
Data bus LSB
I/O
Data bus bit 1
I/O
Data bus bit 2
I/O
Data bus bit 2
I/O
Data bus bit 4
I/O
Data bus bit 5
I/O
Data bus bit 6
I/O
Data bus MSB
O
Data clock (reverse)
O
Data acknowledgment (forward)
O
Acknowledgment of reverse request
O
Indicates that ECP mode is
supported
I
Data acknowledgment (reverse)
O
Data drive request
I
Data drive enable
O
Mode select
-
Proprietary
-
Ground
-
Ground
-
Ground
-
Ground
-
Ground
-
Ground
-
Ground
-
Ground
-
Ground
-
Not connected
I
Supply from master
I/O
Differential pair
I/O
Differential pair
I/O
Ground
O
Network transmission differential
pair
O
Network transmission differential
pair
I
Network reception differential pair
-
Not connected
-
Not connected
I
Network reception differential pair
-
Not connected
-
Not connected
TD 252 787 467 - A
Use
Use
Use
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