P9225-R-EVK datasheet(25/34 Pages) IDT

25 / 34 page

P9225-R Datasheet

November 12, 2018

Table 15. Battery Charge Status

Address and Bit

R/W Default

Function and Description

003AHEX [7:0]

Batt_Charg_status

R/W

00HEX

The application processor loads the battery charge status in this

004EHEX is set to “1.”[a]

[a] Firmware only forwards the data from the application processor to transmitter.

Table 16. End Power Transfer

The application processor initiates the End Power Transfer (EPT).

Address and Bit

R/W Default

Function and Description

003BHEX [7:0]

EPT_Code

R/W

00HEX

The application processor loads the EPT code value in this register.

This value is sent to the transmitter when bit 3 of register 004EHEX is

set to “1.”

Table 17. Read Register – Output Voltage

VOUT =

ADC_VOUT

∗6∗2.1

4095

Address and Bit

R/W Default

Function and Description

003CHEX [7:0]

ADC_VOUT [7:0]

0HEX

8 LSB of VOUT ADC value.

003DHEX [7:4]

Reserved

0HEX

Reserved.

003DHEX [3:0]

ADC_VOUT [11:8]

0HEX

4 MSB of VOUT ADC value.

Table 18. Read Register – VRECT Voltage

VRECT =

ADC_VRECT

∗10∗2.1

4095

Address and Bit

R/W Default

Function and Description

0040HEX [7:0]

ADC_VRECT [7:0]

–

8 LSB of VRECT ADC value.

0041HEX [7:4]

Reserved

0HEX

Reserved

0041HEX [3:0]

ADC_VRECT [11:8]

–

4 MSB of VRECT ADC value.

Table 19. Read Register – IOUT Current

��OUT=RX_IOUT∗2∗2.1

4095

Address and Bit

R/W Default

Function and Description

0044HEX [7:0]

RX_IOUT [7:0]

RHEX

–

8 LSB of IOUT. Output current in mA.

0045HEX [7:0]

RX_IOUT [15:8]

RHEX

–

8 MSB of IOUT. Output current in mA

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