AN2131-DK001 Cypress Semiconductor Corp, AN2131-DK001 Datasheet - Page 231
AN2131-DK001
Manufacturer Part Number
AN2131-DK001
Description
KIT EZ-USB DEVELOPMENT BOARD
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.AN2131SC.pdf
(334 pages)
Specifications of AN2131-DK001
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
428-1333
- Current page: 231 of 334
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Bit 7:
This bit indicates that a high to low transaction was detected on the WAKEUP# pin. Writ-
ing a “1” to this bit resets it to “0.”
Bit 3:
The EZ-USB DISCON# pin reflects the complement of this bit. This bit is normally set to
0 so that the action of the DISCOE bit (below) either floats the DISCON# pin or drives it
HI.
Bit 2:
DISCOE controls the output buffer on the DISCON# pin. When DISCOE=0, the pin
floats, and when DISCOE=1, it drives to the complement of the DISCON bit (above).
DISCOE is used in conjunction with the RENUM bit to perform ReNumeration
ter 5, "EZ-USB Enumeration and ReNumeration ").
Page 12-38
USBCS
WAKESRC
R/W
b7
0
WAKESRC Wakeup source
DISCON
DISCOE
b6
R
0
-
Figure 12-31. USB Control and Status Registers
b5
R
0
-
Signal a Disconnect on the DISCON# pin
Disconnect Output Enable
USB Control and Status
Chapter 12. EZ-USB Registers
b4
R
0
-
DISCON
R/W
b3
0
DISCOE
R/W
b2
1
RENUM
R/W
b1
0
EZ-USB TRM v1.9
SIGRSUME
(Chap-
R/W
b0
7FD6
0
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