Samsung S5PC110, Manual

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S5PC110_UM 5 USB2.0 HS OTG
5-61
HCCHARn Bit Description R/W Initial State
Reserved [16] - - 1'b0
EPDir [15] Endpoint Direction Endpoint Type
Indicates the transfer type selected.
•
1'b0: Out
•
1'b1: In
R/W 1'b0
EPNum [14:11] Endpoint Number
Indicates the endpoint number on the device serving as the data
source or sink.
R/W 4'h0
MPS [10:0] Maximum Packet Size
Indicates the maximum packet size of the associated endpoint.
R/W 11'h0
5.8.6.2 Host Channel-n Split Register (HCSPLTn, R/W, Address = 0xECn*20h)
Channel_number: 0
≤
n
≤
15
HCSPLTn Bit Description R/W Initial State
SpltEna [31] Split Enable
The application sets this field to indicate that this channel is
enabled to perform split transactions. R/W 1'b0
Reserved [30:17] - - 14'h0
CompSplt [16] Do Complete Split
The application sets this field to request the OTG host to perform
a complete split transaction. R/W 1'b0
XactPos [15:14] Transaction Position
This field is used to determine whether to send all, first, middle,
or last payloads with each OUT transaction.
•
2'b11: All. This is the entire data payload is of this transaction.
•
2'b10: Begin. This is the first data payload of this transaction.
•
2'b00: Mid. This is the middle payload of this transaction.
•
2'b01: End. This is the last payload of this transaction.
R/W 2'h0
HubAddr [13:7] Hub Address
This field holds the device address of the transaction translator's
hub.
R/W 7'h0
PrtAddr [6:0] Port Address
This field is the port number of the recipient transaction
translator. R/W 7'h0