Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 21 USB FUNCTION CONTROLLER (USBF)
R01UH0042EJ0500 Rev.5.00 Page 1175 of 1513
Aug 12, 2011
21.6.9 Bulk-out register
(1) UF0 EP2 bulk-out transfer data register (UF0EP2BO)
The UF0EP2BO register writes the bulk-out transfer data of EP2.
The UF0EP2BO register can be read or written in 8-bit or 16-bit units.
After reset: 0000H R Address: 00210000H
15 14 13 12 11 10 9 8
UF0EP2BO 0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
EP2BO7 EP2BO6 EP2BO5 EP2BO4 EP2BO3 EP2BO2 EP2BO1 EP2BO0
Bit position Bit name Function
7 to 0
EP2BO7 to
EP2BO0
Reading the bulk-out transfer data of EP2.
Reading the input data from the EPC macro from this register.
If using this register, setting the address (00210000H) in DMA source address register
(DSAn (n = 0 to 3)) of DMAC. In addition, set the RQnUR0E (n = 0 to 3) bit of the UFDRQEN
register to 1 to assign a DMA channel.
Caution If either of the following operations is performed, the data stored in this register is read out and
the next bulk-out transfer data is stored into this register.
• The UF0EP2BO register is read during program execution.
• The UF0EP2BO register is monitored on the memory window while the debugger is being used.