B&B Electronics WLNN-EK-DP551 - User Manual - Manual (Page 18)

B&B Electronics
18
Airborne Enterprise WLNN EVB Users Guide
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Designator Pin Description
5 TDI: Test Data In
6 GND
7 TMS: Test Mode Select
8 GND
9 TCK: Test Clock
10 GND
11 RTCK: Return Test Clock
12 GND
13 TDO: Test Data Out
14 GND
15 /RESET (Active Low)
16 GND
17 No Connect
18 GND
19 No Connect
20 GND
Use of this header requires that JTAG has been enabled on the Airborne Device Server
Module. Production devices do not support this feature.
To enable JTAG a hardware change to the module must be made, please contact
B&B Electronics Technical Support if this feature is required.
5.10 CN7 / CN13
Header CN7 is the primary SPI interface header; firmware selection of the SPI
interface is required before the interface can be used. CN13 allows a secondary
connection to the SPI interface. CN7 and CN13 have common connections.
The header pin out can be seen in Figure 4 and Table 12.
FIGURE 4 - SPI HEADER
TABLE 12 - SPI HEADER PIN OUT
Designator Pin Description
CN7
1 No Connect
2 GND