Rfm Bottom View; J1 Pin Functions - Texas Instruments 2000 Series Reference Manual

RFM Connectors and Jumpers
The bottom view of the RFM is shown in
the underside. J1 is the 16-pin module connector, this carries the supply voltage lines, the data, and the
control lines.
5
3
1
3
1
1
3
5
7
9
11
13
15
Table 1-1 lists the pin functions for connector J1. The connector type is 16 pin, 2 row with 2.54 mm pin
spacing.
Pin# Signal
1 GND
2 TXCT-
3 VSL
4 RXDT
5 RXSA
6 RXCK
7 GNDP
8
9 GNDP
10 RSTP
11 VSP
12 CPS_OUT
13 VSP
14 RXSS-
15
16 CPS_IN
12 Product Description
Figure
J2
6
· ·
4
· ·
2
· ·
J4
4
· ·
2
· ·
2
· ·
4
· ·
6
· ·
8
· ·
10
· ·
12
· ·
14
· ·
16
· ·
J1
Figure 1-4. RFM Bottom View
Table 1-1. J1 Pin Functions
Direction Description
IN Logic ground
IN Transmitter control input for activation of transmitter (active low, internal pull-up resistor)
IN Supply voltage for logic and receiver
OUT Logic level compatible receiver data signal output
IN/OUT Receiver signal strength adjust for RXSS- threshold level
OUT Logic level compatible receiver clock output
IN Transmitter power stage ground
No connection
IN Transmitter power stage ground
OUT Analog receiver signal strength test pin
IN Supply voltage for transmitter power stage
OUT Carrier Phase Synchronization oscillator signal output
IN Supply voltage for transmitter power stage
OUT Receiver signal strength output (active low)
No connection
IN Carrier Phase Synchronization oscillator signal input
1-4. The connectors J1, J2, J3 and J4 are accessible from
J3
13 14
· ·
11 12
· ·
9 10
· ·
7 8
· ·
5 6
· ·
3 4
· ·
2
1
· ·
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SCBU022 – November 2002
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