ADNS-2700 Avago Technologies US Inc., ADNS-2700 Datasheet - Page 19

• Manufacturer Part Number: ADNS-2700
• Description: USB SoC 3B Optical Sensor
• Manufacturer: Avago Technologies US Inc.

Specifications of ADNS-2700

• Supply Voltage Range Dc: 4V To 5.25V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 516-2297-5

USB COMMAND DETAILS
19
USB_RESET
USB Spec:
Notes:
USB_SUSPEND
USB Spec:
Notes:
USB_RESUME
USB Spec:
Notes:
Get_Status_Device
Returns:
Default:
Addressed:
Configured:
Notes:
Get_Status_Interface
Returns:
Default:
Addressed:
Configured:
Notes:
D+/D- low for an extended period
A device may reset after seeing an SE0 for more than 18.7 uS, and definitely after 10 mS.
After power up and prior to Reset, the device will not respond to any USB commands. After the device
has been given a USB Reset, the device’s address will be reset to zero and the device will be in the
Default state. The chip will default to Report protocol and any pending output will be flushed.
All registers will be reset to a state that matches power-on-reset with the following exceptions: USB
State register will be “Default” instead of “Attached”.
Idle state for an extended period
A device may suspend after seeing an idle for more than 3 mS, and definitely after 10 mS.
The chip will take a minimum of 5 mS to start Suspend, though will definitely start after 6 mS. The chip
may finish the current frame if necessary before stopping the clock. Thus, an additional frame time may
be used to reach Suspend mode.
Non-idle state
Remote Resume signalling from a device must be between 1 mS and 15 mS. The host is required to
send Resume signaling for 20 mS plus 10 mS of resume recovery time in which it does not access any
devices. This allows devices enough time to wake back up.
The chip can cause a Resume if Remote Wakeup is enabled and a button has been pressed. Remote
resume signalling from the chip will last 11.45 mS to 12.45 mS.
80 00 00 00 00 00 02 00
xx yy
xx[0] = Self Powered
xx[1] = Remote Wakeup
xx[7:2] = 0
yy = 00 (Reserved)
Accept (undefined in USB Spec)
Accept
Accept
Use Set_Feature_Device/Clear_Feature_Device to set/clear remote wakeup.
81 00 00 00 00 00 02 00
00 00
Stall (undefined in USB Spec)
Stall
Accept
Both return bytes are reserved and currently 00.