m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 169

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 2.8.26. USB function interrupt processing routine
Completion of USB funxtion interrupt process
USB function interrupt request detected
USBIS
RAM
Write one word to USBIC
Read one word and store it to RAM
USB endpoint x OUT
USB endpoint x IN
interrupt routine
page 160 of 354
USB error
interrupt routine
interrupt routine
RAM,bit8=1?
RAM,bit1=1 or
RAM,bit3=1 or
RAM,bit5=1 or
RAM,bit7=1
RAM,bit0=1 or
RAM,bit2=1 or
RAM,bit4=1 or
RAM,bit6=1
Y
Y
Y
N
N
N
•Enables each interrupt by the USBIE (address 0288
•Clears USB interrupt status register 1, 2 by writing “1”
•Executes error handling of endpoint 0 to 4.
to the bit corresponding to the USBIC.
at initial routine
2. USB function
16
~0289
16
)