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Preliminary Data Sheet, Rev. 5 USS-720
Instant USB
September 1999 USB-to-
IEEE
1284 Bridge
Lucent Technologies Inc. 5-3
13
Pin Information
5-5429.r4
Note: An N before symbol names indicates active-low.
Figure 2. Pin Diagram
Table 1. Pin Descriptions
Pin Symbol* Type Name/Description
1 PDATA[1] I/O Parallel Port Data Signal Bit 1.
2 PDATA[2] I/O Parallel Port Data Signal Bit 2.
3 VDD5 P 5 V Power Supply for 5 V Parallel Port Signals.
4 PDATA[3] I/O Parallel Port Data Signal Bit 3.
5 PDATA[4] I/O Parallel Port Data Signal Bit 4.
6 GND P Ground.
7 PDATA[5] I/O Parallel Port Data Signal Bit 5.
8 PDATA[6] I/O Parallel Port Data Signal Bit 6.
* An N before symbol names indicates active-low.
1
3
4
5
6
7
8
9
10
11
2
44 42 41 40 39 38 37 36 35 3443
12 14 15 16 17 18 19 20 21 2213
33
31
30
29
28
27
26
25
24
23
32
RESET
GND
TEST
DMNS
DPLS
PDATA[3]
VDD5
PDATA[2]
GND
PDATA[5]
PDATA[6]
VDD5
PDATA[7]
NINIT
PDATA[1]
PDATA[4]
V
DD
PDATA[0]
PLH
SUSPEND
GND
HLH
NSTROBE
V
DD
NUSB_RESET
DIO
CS
SK
TST_RST
NACK
CLK_HI
CLK_LO
NFAULT
PERROR
NSELECTIN
VDD
BUSY
SELECT
NAUTOFD
GND
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SCAN_EN
SCAN
PLL_VDD
PLL_VSS