User's Manual

Page 16 of 19 N5 ANT SoC System Module Series
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Appendix: Using the ANT Network Processor Configuration
N548 modules are preloaded with a default ANT network processor reference code image in the application code
space of the NRF51422. Using this configuration is similar to other ANT generic chips or modules, as illustrated in
the diagram below. This reference code is accessible the downloading area of www.thisisant.com
Figure 8 Using ANT Network Processor
Pin Assignments in the ANT Network Processor Configuration
In the pre-loaded ANT network processor configuration, specific functions are assigned to the module pins. The
details are as the following.
N548M8xx
LGA Pad
N548M4xx
Pin
N548M5xx
Molex
Connector
nRF51422
Pin Name
Default Reference Code ANT Network Processor Pin Assignments
Pin Name
Async
Mode
Sync
Mode
Function
A2-6
4
19
GND
GND
GND
GND
Power supply ground
B1
2
10
RST
/SWDIO
RST
RST
RST
Reset the device
B2
P018
NC
NC
NC
No connection
B3
P020
NC
NC
NC
No connection
B4
P019
NC
NC
NC
No connection
B5, B6
3
1
Vcc
Vcc
Vcc
Vcc
Power supply source
C1
5
6
SWDCLK
NC
NC
NC
No connection
C2
P013
NC
NC
NC
No connection
C3
P016
NC
NC
NC
No connection
C4
P022
NC
NC
NC
No connection
C5, C6
3
1
Vcc
Vcc
Vcc
Vcc
Power supply source
D1
12
3
P012
RXD0/SIN
RXD0
SIN
Async -> Receive data
signal
Sync -> Data input
D2
11
4
P015
TXD0/SOUT
TXD0
SOUT
Async -> Transmit data
signal
Sync -> Data output
D3
P025
NC
NC
NC
No connection
D4
6
17
P023
SUSPEND
/ SRDY
SUSPEND
SRDY
Async -> Suspend control
Sync -> Serial port ready
D5
16
P021
Unused
Unused
Unused
Not used, tie to ground
D6
10
7
P024
BR2/SCLK
BR2
SCLK
Async -> Baud rate
selection