P9221-R3 datasheet(35/46 Pages) RENESAS

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P9221-R3 Datasheet

October 20, 2017

Address and Bit

R/W

Default

Function and Description

0056HEX [1]

Clear_Over_Voltage_Bit

0BIN

“1” clears the INT_VRECT_OV_Status bit in register 0036HEX.

resets the interrupt pin by writing “1” to bit 5 of register

004EHEX.

0056HEX [0]

Clear_Over_Current_Bit

0BIN

“1” clears the INT_OC_Limit_Status bit in register 0036HEX.

resets the interrupt pin by writing “1” to bit 5 of register

004EHEX.

Table 28. Incoming User Data Registers

Address and Bit

R/W

Default

Function and Description

0058HEX

Incoming_User_Data 0

00HEX

The application processor reads this register to get the data

P9221-R3 received from the P9242-R3.

0059HEX

Incoming_User_Data 1

00HEX

The application processor reads this register to get the data

P9221-R3 received from the P9242-R3.

Table 29. Data Header Register

Address and Bit

R/W

Default

Function and Description

0088HEX

Data_Header_Register

00HEX

The application processor sets this register to following

values:

18HEX = when sending 1 byte of user data

28HEX = when sending 2 bytes of user data

38HEX = when sending 3 byte of user data

48HEX = when sending 4 bytes of user data

58HEX = when sending 5 bytes of user data

68HEX = when sending 6 bytes of user data

78HEX = when sending 7 bytes of user data

84HEX = when sending 8 bytes of user data

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