Flow Chart Of Bit Stuffing Control Operation - NEC switch User Manual

152
CHAPTER 8
Figure 8-33. Flow Chart of Bit Stuffing Control Operation
Idle state
Transmission start?
Y
Transmit bit input
Transmit bit = 1?
Y
Shift bit
stuffing register
Bit stuffing register
= 3FH?
Y
Disable
USBPOB increment
Reset bit
stuffing register
Disable save
of next transmit bit
Was
N
EOP receive signal
set?
Y
Idle state
User's Manual U12978EJ3V0UD
USB FUNCTION
N
N
Reset bit
stuffing register
N