Samsung S3C6400X User Manual page 872

S3C6400X RISC MICROPROCESSOR
Register Address
DIEPTSIZ0 0x7C00_0910
DIEPTSIZ0
[31:20]
PktCnt
XferSize
DEVICE OUT ENDPOINT 0 TRANSFER SIZE REGISTER (DOEPTSIZ0)
Register Address
DOEPTSIZ0 0x7C00_0B10
DOEPTSIZ0
SUPCnt [30:29]
[28:20]
PktCnt
XferSize
R/W
R/W
Bit R/W
Reserved
[19] R_W Packet Count
Indicates the total number of USB packets that
constitute the Transfer Size amount of data for
endpoint 0.
This field is decremented every time a packet is read
from the TxFIFO.
[18:7] Reserved
[6:0] R_W Transfer Size
Indicates the transfer size in bytes for endpoint 0.
The core interrupts the application only after it has
exhausted the transfer size amount of data. The
transfer size can be set to the maximum packet size
of the endpoint, to be interrupted at the end of each
packet.
The core decrements this field every time a packet
from the external memory is written to the TxFIFO.
R/W
R/W Device OUT Endpoint 0 Transfer Size Register
Bit R/W
[31] Reserved
R_W SETUP Packet Count
This field specifies the number of back-to-back
SETUP data packets the endpoint can receive.
· 2'b01 : 1 packet
· 2'b10 : 2 packets
· 2'b11 : 3 packets
Reserved
[19] R_W Packet Count
This field is decremented to zero after a packet is
written into the RxFIFO.
[18:7] Reserved
[6:0] R_W Transfer Size
Indicates the transfer size in bytes for endpoint 0.
The core interrupts the application only after it has
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Description
Device IN Endpoint 0 Transfer Size Register
Description
Description
Description
USB2.0 HS OTG
Reset Value
32 bits
Initial State
12'h0
1'b0
12'h0
7'h0
Reset Value
32 bits
Initial State
1'b0
2'h0
9'h0
1'b0
12'h0
7'h0
26-65