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RSSI TRF7960EVM DIRECTIONS

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STEP 1: SET PROTOCOL AND CHECK REGISTER SETTINGS

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SCOPE SCREEN SHOT IN SPI MODE SET PROTOCOL

(ISO15693, HIGH DATA RATE, TX_ON)

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STEP 2: SET RX WITH DIRECT COMMAND 1517

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SCOPE SCREEN SHOT IN SPI MODE SET RECEIVER 1517 (GUI) or 97h (actual command)

1 0 10 0 1 1 1 THIS IS DUMMY CLK

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STEP 3: CHECK INTERNAL RF WITH DIRECT COMMAND 1518 OR EXTERNAL RF WITH DIRECT COMMAND 1519

DIRECT COMMAND 1518 (CHECK INTERNAL RF) SHOWN

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SCOPE SCREEN SHOT IN SPI MODE CHECK INTERNAL RF 1518 (GUI) or 98h (actual command)

THIS IS DUMMY CLK

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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)

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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

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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)

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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

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STEP 5: CHANGE CHIP STATUS CONTROL REGISTER TO ’01’ (TURNS OFF TRANSMITTER)

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STEP 6: SET RX WITH DIRECT COMMAND 1517

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STEP 7: CHECK INTERNAL RF WITH DIRECT COMMAND 1518 OR EXTERNAL RF WITH DIRECT COMMAND 1519

DIRECT COMMAND 1518 (CHECK INTERNAL RF) SHOWN

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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)

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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)

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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