EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 289
PIB_RD_MAILBOX
0xE0010010
10.6.5 PIB_RD_MAILBOX (continued)
This register mirrors the P-Port RD mailbox register and is used to send short messages to the AP using MMIO and interrupt
behavior. Writing to the high word of this register sets the PP_EVENT.RD_MB_FULL flag. The procedure to use is described
as part of the socket-based link controller section.
63:0 PP_RD_MAILBOX[63:0] Mailbox message from FX3 to the application processor
PIB_RD_MAILBOX Read (Egress) Mailbox Register
b7 b6 b5 b4 b3 b2 b1 b0
PP_RD_MAILBOX[7:0]
R/W R/W R/W R/W R/W R/W R/W R/W
R R R R R R R R
0 0 0 0 0 0 0 0
Bit Name Description