Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 472
LNK_CONF
0xE0033000
10.15 USB3 Link Controller Registers
10.15.1 LNK_CONF
Link Configuration Register
Configuration Settings for Link Layer Block. (for debug and compatibility testing)
15:12 EPM_FIRST_DELAY[3:0] Delay sending of first Header in a egress burst in PCLK cycles (125 MHz). This is to give
the DMA network time to warm up the data pipeline.
10 CREDIT_ADV_HOLDOFF Hold-off Credit Advertisement until Sequence Number Advertisement Received
9 LDN_DETECTION Enable host LDN detection (see USB ECN#001)
8 FORCE_POWER_PRESENT Force PowerPresent from PHY On
6 LCW_IGNORE_RSVD 0 Check reserved bits in Link Control Word are 0 (LCW)
1 Ignore reserved bits in Link Control Word (LCW)
LNK_CONF Link Configuration Register 0xE0033000
b31 b30 b29 b28 b27 b26 b25 b24
LNK_CONF Link Configuration Register
b23 b22 b21 b20 b19 b18 b17 b16
LNK_CONF Link Configuration Register
b15 b14 b13 b12 b11 b10 b9 b8
EPM_FIRST_DELAY[3:0]
CREDIT_ADV_
HOLDOFF
LDN_DETECTION
FORCE_POWER_
PRESENT
R/W R/W R/W R/W R/W R/W R/W
RRRR
RRR
5
000
LNK_CONF Link Configuration Register
b7 b6 b5 b4 b3 b2 b1 b0
LCW_IGNORE_
RSVD
R/W
R
1
Bit Name Description

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English