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Host Interface Connector
Note: Due to the limited space, TVS can't be added to the EM30 for static protection. The client should take static
protection into consideration.
The host interface connector on the EM3080-W is a 12-pin FPC connector.
The 12-pin FPC connector supports TTL-232 and USB communication.
The following figure shows the location of the 12-pin FPC on the decoder board.
12-pin FPC
The following table lists the pin functions of the 12-pin host interface connector.
Table 4-1
PIN#
Signal
1
-
2
VDD
3
GND
4
RXD
5
TXD
6
USB_D-
7
USB_D+
Chapter 4 Interfaces
Figure 4-1
I/O
-
Not connected.
-
3.3V
power supply.
-
Power-supply ground.
I
TTL level 232 receive data.
O
TTL level 232 transmit data.
I/O
USB D- differential data signal
I/O
USB D+ differential data signal
Function
22
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