P9415-R datasheet(54/62 Pages) RENESAS

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P9415-R Datasheet

May 4, 2021

Note:

It takes time to implement the command. AP could write new command to System Command Register 3~5ms after the previous

command.

Table 44. Foreign Object Detection Registers (FOD) (0x68-0x77)

The FOD registers are divided into eight pairs. Each pair has one byte for gain setting and one byte for offset setting. The first six pairs control

the Received Power calculation for six power sectors during the Power Transfer phase. The seventh pair calibrates the internal DC Load. The

set values of the FOD registers are found with the help of a Renesas developed calibration procedure using the nok9 tester.

The firmware initializes the FOD registers for BPP mode. The correct set is loaded at the completion of the ID and Configuration Phase. The

AP can modify the registers at any time if needed to update the values.

Address

and Bit

R/W

Default

Value

Function and Description

0x68 [7:0]

GAIN_0

R/W

FOD coefficients for Power Region 0: Gain (slope settings).

0x69 [7:0]

OFFSET_0

R/W

FOD coefficients for Power Region 0: Offset settings.

0x6A [7:0]

GAIN_1

R/W

FOD coefficients for Power Region 1: Gain (slope settings).

0x6B [7:0]

OFFSET_1

R/W

FOD coefficients for Power Region 1: Offset settings.

0x6C [7:0]

GAIN_2

R/W

FOD coefficients for Power Region 2: Gain (slope settings).

0x6D [7:0]

OFFSET_2

R/W

FOD coefficients for Power Region 2: Offset settings.

0x6E [7:0]

GAIN_3

R/W

FOD coefficients for Power Region 3: Gain (slope settings).

0x6F [7:0]

OFFSET_3

R/W

FOD coefficients for Power Region 3: Offset settings.

0x70 [7:0]

GAIN_4

R/W

FOD coefficients for Power Region 4: Gain (slope settings).

0x71 [7:0]

OFFSET_4

R/W

FOD coefficients for Power Region 4: Offset settings.

0x72 [7:0]

GAIN_5

R/W

FOD coefficients for Power Region 5: Gain (slope settings).

0x73 [7:0]

OFFSET_5

R/W

FOD coefficients for Power Region 5: Offset settings.

0x74 [7:0]

GAIN_6

R/W

FOD coefficients for Power Region 6: Gain (slope settings).

0x75 [7:0]

OFFSET_6

R/W

FOD coefficients for Power Region 6: Offset settings.

0x76 [7:0]

GAIN_7

R/W

FOD coefficients for Power Region 7: Gain (slope settings).

0x77[ 7:0]

OFFSET_7

R/W

FOD coefficients for Power Region 7: Offset settings.

Table 45. Vin Register in Tx Mode (0x70)

Address

and Bit

R/W

Default

Value

Function and Description

0x70 [15:0]

TxVin

Input voltage, value in mV.

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