Port0:180H / Port1:380H H_Ch0Config_0(Host Channel 0 Configuration0) - Epson S2R72V18 Technical Manual

3.3.33

Port0:180h / Port1:380h H_CH0Config_0(Host Channel 0 Configuration0)

Base Address: Port0=000h, Port1=200h
Mode Ofst Adrs Register Name
Host 180h H_CH0Config_0
This sets the basic channel CH0 settings for host operations.
Bit7-4 ACK_Cnt[3:0]
This sets the ACK count number for transfers performed with channel CH0.
The H_CH0IntStat register TranACK bit is set once the ACK number set has been counted.
0000:
0001 to 1111: 1 to 15 ACK counts
Only data stage transactions are counted when the control transfer support function is running.
Setup stage and status stage transactions are not counted.
Bit3-2 SpeedMode[1:0]
This sets the operating mode for the device performing the transfer over channel CH0.
00: HS mode − Use this setting for an HS device.
01: FS mode − Use this setting for an FS device.
10: Reserved − Use of this value is prohibited.
11: LS mode − Use this setting for an LS device.
Bit1 Toggle
This sets the initial value of the toggle sequence bit at the start of a transaction. It also indicates the
toggle sequence bit state after the transaction has been started or completed.
0: Toggle 0
1: Toggle 1
S2R72V18 Technical Manual (Rev.1.00)
R/W Bit Symbol
7: ACK_Cnt[3]
6: ACK_Cnt[2]
R/W
5: ACK_Cnt[1]
4: ACK_Cnt[0]
3: SpeedMode[1]
R/W
2: SpeedMode[0]
R/W 1: Toggle
R/W 0: TranGo
16 ACK counts
EPSON
Description
ACK Count
Speed Mode
0: Toggle0
0: Stand by
3. Register Details
1: Toggle1
1: Transaction Start
Reset
00h
351