W681307DG Datasheet, PDF (156/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM.

W681307
18.3.6.2
Address
0x1849
Bulk In Data
Access Mode Value At Reset Nominal Value
W
0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
BKI_DATA[7:0]
BKI_DATA
18.3.6.3
Bulk_In Data except final data.
Bulk In Final Data
Address
0x184A
Access Mode Value At Reset Nominal Value
W
0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
BKI_EOP_DATA[7:0]
BKI_EOP_DATA Bulk_In end of packet data.
18.3.6.4
Address
0x184B
Bulk In FIFO Empty Flag
Access Mode Value At Reset Nominal Value
R
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED
Bit 0
BKI_FIFO
_Empty
BKI_FIFO_Empty FIFO 0 or FIFO 1 empty flag. S/W needs to check this bit to decide if there still had empty FIFO to write.
18.3.7
18.3.7.1
EndPoint 4 – Bulk Out Registers
Control Register
Address
0x1850
Access Mode Value At Reset Nominal Value
R/W
0x00
Bit 7
Bit 6
Bit 5
RESERVED RESERVED RESERVED
Bit 4
Bit 3
Bit 2
RESERVED RESERVED RESERVED
Bit 1
BKO_EN
Bit 0
BKO_RST
BKO_RST Active High, reset Bulk Out function
BKO_EN Active High, enable Bulk Out function
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Publication Release Date: May, 2007
Revision 1.3