27 u_tmwa (usb tx mailbox write address register), 28 u_rmsa (usb rx mailbox start address register), 29 u_rmba (usb rx mailbox bottom address register) – NEC Network Controller uPD98502 User Manual
Page 329: 30 u_rmra (usb rx mailbox read address register), 31 u_rmwa (usb rx mailbox write address register)

CHAPTER 6 USB CONTROLLER
Preliminary User’s Manual S15543EJ1V0UM
329
6.2.27 U_TMWA (USB Tx MailBox Write Address Register)
Bits
Field
R/W
Default
Description
31:0
Address
R
0
Register that indicates the address in the transmit MailBox area to which
USB Controller will write next time.
6.2.28
U_RMSA (USB Rx MailBox Start Address Register)
Bits
Field
R/W
Default
Description
31:0
Address
R/W
0
Register that indicates the start address of the receive MailBox area. The
V
R
4120A must set a value in this field only at initialization.
6.2.29 U_RMBA (USB Rx MailBox Bottom Address Register)
Bits
Field
R/W
Default
Description
31:0
Address
R/W
0
Register that indicates the end address of the receive MailBox area. The
V
R
4120A must set a value in this field only at initialization.
6.2.30 U_RMRA (USB Rx MailBox Read Address Register)
Bits
Field
R/W
Default
Description
31:0
Address
R/W
0
Register that indicates the address of the area that will be read next by the
V
R
4120A. After the V
R
4120A reads the contents of a MailBox, the value set in
this register must be changed by V
R
4120A RISC Processor.
6.2.31 U_RMWA (USB Rx MailBox Write Address Register)
Bits
Field
R/W
Default
Description
31:0
Address
R
0
Register that indicates the address in the receive MailBox area to which USB
Controller will write next time.