USB-100 Fujitsu Semiconductor America Inc, USB-100 Datasheet - Page 84
USB-100
Manufacturer Part Number
USB-100
Description
KIT STARTER FOR USB
Manufacturer
Fujitsu Semiconductor America Inc
Type
MCUr
Datasheet
1.USB-100.pdf
(143 pages)
Specifications of USB-100
Contents
Board, Cable
For Use With/related Products
MB91F662
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
865-1108
- Current page: 84 of 143
- Download datasheet (7Mb)
5.3.3
the MB91F662 processes status interrupts and interrupts EP1 to EP5. However, this sample
program uses only the status interrupt.
responses to requests from the PC (USB host) to EP0.
The figure below shows the details of the USB interrupt processing. The USB function in
After connecting to the PC, the status interrupt routine in the USB function will process
USB interrupt processing
Status interrupt processing
EP0 data receive process
SETUP interrupt received?
Suspend interrupt?
EP0 data received?
Figure 5.3.3-1 Status interrupt 1 (usb_mouse_ctrl.c)
①
Yes
No
No
83
No
Yes
Yes
* If the power must be suspended, processing is performed to
move into standby mode in addition to clearing the SUSP flag.
Setup command receive process
Clear SUSP flag
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