P9415-R-EVK Evaluation Kit
R16UH0015EU0100 Rev.1.0
May 27, 2021
Page 37
Table 40. System Mode Register (0x4D)
Address
and Bit
Register Field Name
R/W
Default
Value
Function and Description
0x4d [7]
BACKPOWERED
R
–
Indication P9415 is powered by Vrect or Vout, but Tx function is not
enabled.
0x4d [6:4]
Reserved
R
–
Reserved
0x4d [3]
EXTENDED
R
–
Indicates WPC EPP mode.
0x4d [2]
TXMODE
R
–
Indication of WP Transmitter mode.
0x4d [1]
Reserved
R
–
Reserved
0x4d [0]
WPCMODE
R
–
Indicates the FW is in WP Receiver mode.
Table 41. System Command Register (0x4E)
Address
and Bit
Register Field Name
R/W
Default
Value
Function and Description
0x4F [7]
MPRENEGOTIATE
W
0
AP sets 1 to launch re-negotiation.
P9415 clears the bit after processing the command
0x4F [6]
SETIDAUTNOK
W
0
AP sets 1 to set ID authentication pass flag.
P9415 clears the bit after processing the command
0x4F [5:2]
Reserved
W
0
Reserved
0x4F [1]
CCACTIVATE
W
0
AP sets 1 to enabled WPC 1.3 communication.
P9415 clears the bit after processing the command
0x4F [0]
SOFTRESTART
W
0
AP sets 1 to restart P9415.
P9415 clears the bit after processing the command
0x4E [7]
VSWITCH
W
0
AP sets 1 to send Voltage Switch command.
P9415 clears the bit after processing the command
0x4E [6]
Reserved
W
0
Reserved
0x4E [5]
CLRINT
W
0
AP sets 1 to clear the interrupt.
P9415 clears the bit after processing the command
0x4E [4]
SENDCSP
W
0
AP sets 1 to send Charge Status Packet in Rx mode.
P9415 clears the bit after processing the command
0x4E [3]
SENDEOP
W
0
AP sets 1 to send End of Power Transfer Packet in Rx mode.
P9415 clears the bit after processing the command
0x4E [2]
SHA1AUTH
W
0
AP sets 1 to enable device authentication.
P9415 clears the bit after processing the command
0x4E [1]
LDOTGL
W
0
AP sets 1 to toggle LDO ON/OFF.
P9415 clears the bit after processing the command
0x4E [0]
SENDPROPP
W
0
AP sets 1 to enable send the proprietary packet.
P9415 clears the bit after processing the command
Note
: It takes time to implement the command. AP could write new command to System Command Register
3–5ms after the previous command.
