P9222-R datasheet(47/58 Pages) RENESAS

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P9222-R/RN Datasheet

May 5, 2022

Table 25. System Operating Mode Register, Sys_Op_Mode (0x4C)

Address

and Bit

R/W

Default

Value

Function and Description

0x4C [7]

Reserved

Reserved.

0x4C [5]

Operational Mode

0x0

Indicates the FW is communicating to a Wireless Power Qi transmitter.

0x4C [4:1]

Reserved

Reserved.

0x4C [0]

LDOONMODE

R/W

Indicates output on VOUT.

Table 26. (AP to P9222-R/RN) Command Register, COM (0x4E)

Address

and Bit

R/W

Default

Value

Function and Description

0x4E [7:6]

Reserved

0x0

Reserved.

0x4E [5]

Clear Interrupt

R/W

0x0

If the AP sets this bit to 1 then the P9222 M0 clears the interrupt corresponding to

the bit(s) that have a value of 1 in Interrupt Clear Registers, and also sets the bit(s)

in Interrupt Clear Registers to 0, as well as sets this bit to 0.

0x4E [4]

Send Charge Status

R/W

0x0

If the AP sets this bit to 1 then the P9222 the M0 sends the Charge Status packet

(defined in the Battery Charge Status Register) to TX, and then sets this bit to 0

after execution.

0x4E [3]

Send End of Power

R/W

0x0

If the AP sets this bit to 1 then the P9222 M0 sends the End of Power packet

(defined in the End of Power Transfer Register) to TX and then sets this bit to 0.

0x4E [2]

Reserved

R/W

0x0

Reserved.

0x4E [1]

Toggle LDO On/OFF

R/W

0x0

If the AP sets this bit to 1 then the P9222 M0 toggles LDO output once (from on to

off, or from off to on), and then sets this bit to 0.

0x4E [0]

SEND RX Data

R/W

0x0

If the AP sets this bit to 1 then the P9222 M0 sends Data Command + Value to TX

on Header and Payload of WPC Proprietary Packet, and then sets this bit to 0 after

execution.

The P9222-R/RN will prioritize packets when sending commands and data to the Tx. Packets are prioritized as follows:

1. Received Power Packet (RPP)

2. Charge Status Packet (CSP)

3. Proprietary Packet (PPP)

4. Control Error Packet (CEP)

When using the AP to send CSP and PPP messages, care should be taken not to send them too frequently because they will delay the CEP

transmission. It is not recommended to send CSP or PPP packets more than once every 250ms to avoid extended periods of time without

allowing the P9222-R/RN to transmit a CEP.

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