Port0:162H / Port1:362H H_Negocontrol_1 (Host Negocontrol 1) - Epson S2R72V18 Technical Manual

3. Register Details
3.3.22

Port0:162h / Port1:362h H_NegoControl_1 (Host NegoControl 1)

Base Address: Port0=000h, Port1=200h
Mode Ofst Adrs Register Name
Host 162h H_NegoControl_1
This sets host negotiation operations.
Note: The reset value for this register can be read when the power management state is ACTIVE. In all other
states, the reset value is read as 00h.
Bit7-6 Reserved
Bit5-4 PortSpeed[1:0]
This indicates and sets the transfer speed.
00: High Speed
01: Full Speed
10: Reseved
11: Low Speed
Bit3-2 Reserved
Bit1 DisChirpFinish
This sets the operating mode when the device chirp does not end within the specified timeframe.
0:
1:
Bit0 RmtWkupDetEnb
Enables or disables the remote wakeup detection function.
346
R/W
7:
6:
R/W 5: PortSpeed[1]
R/W 4: PortSpeed[0]
3:
2:
R/W 1: DisChirpFinish
R/W 0: RmtWkupDetEnb
Ends the USB Reset by sending a USB Reset within the specified timeframe after
raising the device chirp error status.
Waits for the device chirp to end after raising the device chirp error status; ends the USB
Reset after running the host chirp on completion of the device chirp.
Bit Symbol
0:
0:
PortSpeed[1:0]
0:
0:
0: Normal
0: Disable
EPSON
S2R72V18 Technical Manual (Rev.1.00)
Description
1:
1:
1:
1:
1: DisableChirpFinish
1: Enable
Reset
10h