P9242-R3/RB Datasheet

© 2019 Integrated Device Technology, Inc.

30

May 17, 2019

11. Functional Registers

The following tables provide address locations, field names, available operations (R or RW), default values, and functional descriptions of all

internally accessible registers contained within the P9242-R3. The default I2C slave address is 61HEX.

Table 12. State Register

Address and Bits

Register Field Name

R/W

Default

Function and Description

06E0HEX

System_State

R

00HEX

0DEC = Startup

1DEC = Idle

2DEC = Analog Ping Phase

4DEC = Digital Ping Phase

5DEC = WPC Identification

7DEC = WPC Configuration

8DEC = Power Transfer Initialization

9DEC = Power Transfer State

11DEC = Remove Power

12DEC = Restart

13DEC = WPC Negotiation

Table 13. Status Register

Address and Bits

Register Field Name

R/W

Default

Function and Description

06E1HEX

System_Status

R

00HEX

0DEC = System Normal

1DEC = FOD Alarm

2DEC = EPT Charge Complete

4DEC = EPT No Response

5DEC = EPT Internal Fault

6DEC = Over-Temperature Alarm

7DEC = Over-Current

9DEC = EPT Other Rx Fault

10DEC = Negotiation Fail

Table 14. Read Register – Coil Current

Address and Bits

Register Field Name

R/W

Default

Function and Description

06E2HEX [7:0]

Coil_current [7:0]

R

–

8 LSB of coil current value in mA.

06E3HEX [7:0]

Coil_current [15:8]

R

–

8 MSB of coil current value in mA.