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PC/104-Plus – CPU-1461 Module 21
J14 for USB 1.1 (Ports 7 and 8) and Audio-CODEC
J14 is used for USB 1.1, ports 7 & 8 and the Audio CODEC.
J14
1
2
Figure 9. J14 Connector Layout
It implements the following functions:
¾ CODEC Audio port
¾ USB 1.1 port 7
¾ USB 1.1 port 8
Table 11 shows the J14 connector pin out.
Table 11. J14 Connector pin out
PIN # SIGNAL SIGNAL PIN # PORT
1
SPKR SDIN1
2
3
SDOUT CDC_EN#
4
5
GND GND
6
7
SDIN0 BITCLK
8
9
RST SYNC
10
Audio
Codec
11
GND
USB Over
Current1#
12
13
USB7- USB8-
14
15
USB7+ USB8+
16
17
GND VDD
18
19
GND VDD
20
USB
7, 8
The Eurotech USB & AC97-Audio Codec Adapter
Before using a USB and/or an Audio Device, the Eurotech USB/AC97-Audio Codec Adapter must be
connected to the CPU board. The connection between the Eurotech adapter and the CPU board is
established by a cable set provided with the adapter.
Figure 10 shows this adaptor.