User's Manual

N5 ANT SoC Module Series Page 17 of 19
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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
Sync -> Clock output
signal
E1
14
9
P009
BR3
BR3
Tie to
GND
Async -> Baud rate
selection
Sync -> Not used, tie to
ground
E2
15
14
P011
Unused
Tie to GND
Tie to
GND
Not used, tie to ground
E3
13
5
P006
BR1
BR1
Tie to
GND
Async -> Baud rate
selection
Sync -> Not used, tie to
ground
E4
20
P004
Unused
Unused
Unused
Not used, tie to ground
E5
9
11
P000
PORTSEL
Tie to GND
Tie to
VCC
Asynchronous or
synchronous port select
E6
8
13
P030
Unused
Tie to GND
Tie to
GND
Tie to GND
F1
16
12
P008
Unused
Tie to GND
Tie to
GND
Tie to GND
F2
17
2
P005
RTS/SEN
RTS
SEN
Async -> Request to
send
Sync -> Serial enable
signal
F3
1
8
P003
Unused
Unused
Unused
Not used, tie to ground
F4
18
P001
Unused
Unused
Unused
Not used, tie to ground
F5
7
15
P002
SLEEP/ MRDY
SLEEP
MRDY
Async -> Sleep mode
enable
Sync -> Message ready
indication
F6
P031
NC
NC
NC
No connection
Table 3 Pin Assignments in ANT Network Processor Configuration
Async Mode Baud Rate Select
The baud rate of the asynchronous communication is controlled by the speed select signals BR1, BR2 and BR3.
Please refer to the table below.
BR3
BR2
BR1
Baud Rate
0
0
0
4800
1
0
1
9600
0
1
0
19200
0
0
1
38400
1
1
1
57600
Table 4 Async Mode Baud Rate Select