Samsung S5PC110 Manual page 956

S5PC110_UM
DOEPCTL0 Bit
[17]
NAKsts
Reserved [16]
USBActEP [15]
Reserved [14:2]
MPS [1:0]
NAK Status
Indicates the following:
1'b0: The core is transmitting non-NAK handshakes based
•
on the FIFO status
1'b1: The core is transmitting NAK handshakes on this
•
endpoint
If application or the core sets this bit, the core stops receiving
data, even if there is space in the RxFIFO to accommodate
the incoming packet. Irrespective of this bit's setting, the core
always responds to SETUP data packets with an ACK
handshake
-
USB Active Endpoint
This bit is always set to 1, indicating that a control endpoint 0
is always active in all configurations and interfaces.
-
Maximum Packet Size
The maximum packet size for control OUT endpoint 0 is the
same as what is programmed in control IN Endpoint 0.
2'b00: 64 bytes
•
2'b01: 32 bytes
•
2'b10: 16 bytes
•
2'b11: 8 bytes
•
Description
5 USB2.0 HS OTG
R/W Initial State
R 1'b0
- 1'b0
R 1'b1
- 13'h0
R 2'h0
5-80