Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 420
IEPM_CS
0xE0031C04
10.13.2 IEPM_CS
Ingress EPM Control and Status Register
This register contains the read/write pointers for the ingress buffer and allows popping of entries from the FIFO. It is for
debugging purposes only.
29 EPM_MUX_RESET This will reset the EPM Mux.
28 EPM_FLUSH This will flush both the Egress and Ingress EPM.
27:16 WRITE_PTR[11:0] Write pointer of the ingress buffer.
11:0 READ_PTR[11:0] Read pointer of the ingress buffer.
IEPM_CS Ingress EPM Control and Status 0xE0031C04
b31 b30 b29 b28 b27 b26 b25 b24
EPM_MUX_RESET EPM_FLUSH WRITE_PTR[11:8]
R/w R/w R R R R
R R R/W R/W R/W R/W
000000
IEPM_CS Ingress EPM Control and Status
b23 b22 b21 b20 b19 b18 b17 b16
WRITE_PTR[7:0]
RRRRRRRR
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
IEPM_CS Ingress EPM Control and Status
b15 b14 b13 b12 b11 b10 b9 b8
READ_PTR[11:8]
RRRR
R/W R/W R/W R/W
0000
IEPM_CS Ingress EPM Control and Status
b7 b6 b5 b4 b3 b2 b1 b0
READ_PTR[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