TH6503 Datasheet, PDF (16/24 Pages) List of Unclassifed Manufacturers – USB Low-Speed Interface

TH6503 USB Low-Speed Interface
Flowchart for
Programming the
TH6503
(continued)
Reading the StatusRegister
The Reading of the Status Register is the first action of the microcontroller. The TH6503 stores the
information on what’s happened on the USB in this Register
Read
StatusRegister
SIN=0
generating a pulse on
SDI
Generating a rising edge
on SCK to save bit on
SDO
Save SDO bit
more bits to read ?
Generating a falling
Yes
edge on SCK to shift
next bit to SDO
No
abort transfer with
SIN=0
Figure 16. Reading the StatusRegister
16