ADSP-BF522/ADSP-BF523/ADSP-BF524/ADSP-BF525/ADSP-BF526/ADSP-BF527
Universal Serial Bus (USB) On-The-Go—Receive and Transmit Timing
Table 50 describes the USB On-The-Go receive and transmit
operations.
Table 50. USB On-The-Go—Receive and Transmit Timing
Parameter
Timing Requirements
fUSBS
FSUSB
USB_XI Frequency
USB_XI Clock Frequency
Stability
ADSP-BF522/ADSP-BF524/ADSP-BF526
ADSP-BF523/ADSP-BF525/
ADSP-BF527
VDDEXT
VDDEXT
VDDEXT
VDDEXT
1.8V Nominal 2.5 V or 3.3V Nominal 1.8V Nominal 2.5 V or 3.3V Nominal
Min Max Min
Max
Min Max Min
Max
Unit
12
33.3 12
–50 +50 –50
33.3
9
33.3 9
33.3
MHz
+50
–50 +50 –50
+50
ppm
Rev. D | Page 60 of 88 | July 2013