User's Manual

Page 6 of 20 ANT C7 RF Transceiver Module
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1.2 Interface
The module may be connected to the user’s host controller using the 17 pin-out assignment (surface mount) style
or the 20-pin Molex header connection style provided below:
Surface
Mount Pin
Molex
Header Pin
Pin Name Async Mode Sync Mode Description
1 6 TEST
TEST (Tie to
GND)
TEST (Tie
to GND)
Tie to Ground
2 10 RST RST RST Reset the device
3 1 Power supply source
4 19 GND GND GND Power supply ground
5 8 NC NC NC No connection
6 17
SUSPEND
/SRDY
SUSPEND SRDY
Async -> Suspend control
Sync -> Serial port ready
7 15 SLEEP/ MRDY SLEEP MRDY
Async -> Sleep mode enable
Sync -> Message ready indication
8 13 NC NC NC No connection
9 11 PORTSEL
PORTSEL
(Tie to GND)
PORTSEL
(Tie to )
Asynchronous or synchronous port
select
10 7
BR2/SCLK
BR2 SCLK
Async -> Baud rate selection
Sync -> Clock output signal
11 4 TXD0/SOUT TXD0 SOUT
Async -> transmit data signal
Sync -> Data output
12
3
RXD0/SIN RXD0 SIN
Async -> Receive data signal
Sync -> Data input
13 5 BR1/SFLOW BR1 SFLOW
Async -> Baud rate selection
Sync -> Bit or byte flow control
select
14 9 BR3 BR3 Tie to GND
Async -> Baud rate selection
Sync - > Not used, tie to ground
15 14 RESERVERD2 Tie to GND Tie to GND Reserved Pin, Tie to ground
16 12 RESERVERD1 Tie to GND Tie to GND Reserved Pin, Tie to ground
17 2 RTS/SEN RTS SEN
Async -> Request to send
Sync -> Serial enable signal
16,18,20 NC NC NC No connection
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
0 1 1 50000
1 1 1 57600