1JDW 10/2008 Texas Instruments proprietary information RSSI TRF7960EVM DIRECTIONS

2JDW 10/2008 Texas Instruments proprietary information STEP 1: SET PROTOCOL AND CHECK REGISTER SETTINGS

3JDW 10/2008 Texas Instruments proprietary information SCOPE SCREEN SHOT IN SPI MODE SET PROTOCOL (ISO15693, HIGH DATA RATE, TX_ON)

4JDW 10/2008 Texas Instruments proprietary information STEP 2: SET RX WITH DIRECT COMMAND 1517

5JDW 10/2008 Texas Instruments proprietary information SCOPE SCREEN SHOT IN SPI MODE SET RECEIVER 1517 (GUI) or 97h (actual command) THIS IS DUMMY CLK

6JDW 10/2008 Texas Instruments proprietary information STEP 3: CHECK INTERNAL RF WITH DIRECT COMMAND 1518 OR EXTERNAL RF WITH DIRECT COMMAND 1519 DIRECT COMMAND 1518 (CHECK INTERNAL RF) SHOWN

7JDW 10/2008 Texas Instruments proprietary information SCOPE SCREEN SHOT IN SPI MODE CHECK INTERNAL RF 1518 (GUI) or 98h (actual command) THIS IS DUMMY CLK

8JDW 10/2008 Texas Instruments proprietary information STEP 4: READ REGISTER WITH DIRECT COMMAND 12ØF Internal RSSI Value (in this case) (FROM ISSUING DIRECT COMMAND 1518 PRIOR TO DIRECT COMMAND 120F SHOWN)

9JDW 10/2008 Texas Instruments proprietary information SCOPE SCREEN SHOT IN SPI MODE READ RSSI VALUE 120F (GUI) or 4Fh (actual command) RSSI VALUE (FROM CHECK EXTERNAL RF = 5Ch) THIS IS DUMMY CLK THIS IS 5Ch

10JDW 10/2008 Texas Instruments proprietary information ALT STEP 4: READ REGISTER WITH DIRECT COMMAND 12ØF External RSSI Value (in this case) (FROM ISSUING DIRECT COMMAND 1519 PRIOR TO DIRECT COMMAND 120F SHOWN)

11JDW 10/2008 Texas Instruments proprietary information SCOPE SCREEN SHOT IN SPI MODE READ RSSI VALUE 120F (GUI) or 4Fh (actual command) RSSI VALUE (FROM CHECK INTERNAL RF = 78h) THIS IS DUMMY CLK THIS IS 78h

12JDW 10/2008 Texas Instruments proprietary information STEP 5: CHANGE CHIP STATUS CONTROL REGISTER TO ’01’ (TURNS OFF TRANSMITTER)

13JDW 10/2008 Texas Instruments proprietary information STEP 6: SET RX WITH DIRECT COMMAND 1517

14JDW 10/2008 Texas Instruments proprietary information STEP 7: CHECK INTERNAL RF WITH DIRECT COMMAND 1518 OR EXTERNAL RF WITH DIRECT COMMAND 1519 DIRECT COMMAND 1518 (CHECK INTERNAL RF) SHOWN

15JDW 10/2008 Texas Instruments proprietary information STEP 8: READ REGISTER WITH DIRECT COMMAND 12ØF Internal RSSI Value (in this case) (FROM ISSUING DIRECT COMMAND 1518 PRIOR TO DIRECT COMMAND 120F SHOWN)

16JDW 10/2008 Texas Instruments proprietary information ALT STEP 8: READ REGISTER WITH DIRECT COMMAND 12ØF External RSSI Value (in this case) (FROM ISSUING DIRECT COMMAND 1519 PRIOR TO DIRECT COMMAND 120F SHOWN)

17JDW 10/2008 Texas Instruments proprietary information SCOPE SCREEN SHOT IN SPI MODE READ RSSI VALUE 120F (GUI) or 4Fh (actual command) RSSI VALUE (FROM CHECK INTERNAL RF = 40h) THIS IS DUMMY CLK THIS IS 40h