at89c5131a ATMEL Corporation, at89c5131a Datasheet - Page 10
at89c5131a
Manufacturer Part Number
at89c5131a
Description
Usb Microcontrollers
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C5131A.pdf
(33 pages)
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10
AT89C5131A USB Bootloader
Figure 5. 48 MHz Frequency Auto-Configuration
No
Detected?
Resume
USB Scheduler
Yes
No
Yes
Change Frequency
Timer 0 Overflow?
Configure PLL for
USB Connected?
Suspend/Resume
Configure Timer 0
SOF Detected?
Frequency X
MAIN
Yes
Yes
No
No
4287C–USB–11/04