HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 899

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

25.4
25.4.1
load complete interrupt
Endpoint information
IFR0/CFDN = 1
Operation
Cable Connection
No
disconnection detection interrupt
IFR0/VBUSF = 1,VBUSMN= 1
reception complete interrupt
Cable disconnected
Wait for setup command
UDC core reset release
USB cable connection
USB bus connection or
VBUS pin = 0 V
UDC core reset
Bus reset reception
Bus reset interrupt
Figure 25.3
USB1_pwr_en = 1?
IFR0/BRST = 1
USB function
Yes
Cable Connection Operation
Interrupt request
Interrupt request
Section 25
Rev. 3.00 Jan. 18, 2008 Page 837 of 1458
start of USB communication
reception complete interrupt
completed, enable D+ pull-up
Firmware preparations for
As soon as preparations are
Wait for setup command
USB module interrupt
USB module stop release
Set USB operation clock
Write 50-byte endpoint
Clear bus reset flag
pin function controller
Enable VBUS pin by
Clear VBUS flag
information to EPIR
by
(IFR0/VBUSF)
(IFR0/BRST)
Clear FIFOs
USB1_pwr_en
Application
setting
USB Function Controller (USBF)
pin
REJ09B0033-0300
Initial
settings