Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 424
IEPM_FIFO
0xE0031CC0
10.13.6 IEPM_FIFO
Ingress EPM FIFO Entry Register
This register provides the status of the EP that is on the top of the queue in the Ingress EPM.
16 EP_VALID Entry is valid
15:12 IN_EPNUM[3:0] Endpoint number for this packet
11 EOT End of Transfer. Set for by the protocol layer short and zero length packets; forwarded to DMA
Adapter.
10:0 BYTES[10:0] Number of bytes in the packet
IEPM_FIFO Ingress EPM FIFO Entry Register 0xE0031CC0
b31 b30 b29 b28 b27 b26 b25 b24
IEPM_FIFO Ingress EPM FIFO Entry Register
b23 b22 b21 b20 b19 b18 b17 b16
EP_VALID
R
R/W
0
IEPM_FIFO Ingress EPM FIFO Entry Register
b15 b14 b13 b12 b11 b10 b9 b8
IN_EPNUM[3:0] EOT BYTES[10:8]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
IEPM_FIFO Ingress EPM FIFO Entry Register
b7 b6 b5 b4 b3 b2 b1 b0
BYTES[7:0]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
Bit Name Description

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English