Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 394
DEV_PWR_CS
0xE0031408
10.11.3 DEV_PWR_CS
Power Management Control and Status Register
7HSM If HSM=1, the SIE is operating in High Speed Mode
0-1 transition of this bit causes a HSGRANT interrupt request.
6 FORCE_FS Forces the device controller to enumerate as Full Speed device.
4 DEV_SUSPEND Puts the USB device controller and PHY into suspend mode (pull up connected, drivers, PLLs etc
turned off).
3DISCON Setting this bit to “1” will disconnect hardware from the USB bus by removing the internal 1.5 K pull-
up resistor from the D+
2NOSYNSOF If set to 1, disable synthesizing missing SOFs.
0SIGRSUME Set SIGRSUME = 1 to drive the “K” state onto the USB bus. This should be done only by a device
that is capable of remote wakeup, and then only during the SUSPEND state. To signal RESUME, set
SIGRSUME = 1, waits 10-15 ms, then set SIGRSUME = 0.
DEV_PWR_CS Power Management Control and Status Register 0xE0031408
b31 b30 b29 b28 b27 b26 b25 b24
DEV_PWR_CS Power Management Control and Status Register
b23 b22 b21 b20 b19 b18 b17 b16
DEV_PWR_CS Power Management Control and Status Register
b15 b14 b13 b12 b11 b10 b9 b8
DEV_PWR_CS Power Management Control and Status Register
b7 b6 b5 b4 b3 b2 b1 b0
HSM FORCE_FS DEV_SUSPEND DISCON NOSYNSOF SIGRSUME
RR/W R/W R/W R/W R/W
R/W R
RRR R
00
010 0
Bit Name Description

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English