Epson S2R72V18 Technical Manual page 392

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3.3.53
Port0:1A0h / Port1:3A0h H_CHbConfig_0(Host Channel b Configuration0)
3.3.54
Port0:1B0h / Port1:3B0h H_CHcConfig_0(Host Channel c Configuration0)
3.3.55
Port0:1C0h / Port1:3C0h H_CHdConfig_0(Host Channel d Configuration0)
3.3.56
Port0:1D0h / Port1:3D0h H_CHeConfig_0(Host Channel e Configuration0)
Base Address: Port0=000h, Port1=200h
Mode
Ofst Adrs
Host
1A0h
CHbConfig_0
1B0h
CHcConfig_0
1C0h
CHdConfig_0
1D0h
CHeConfig_0
These set the basic channel CHx{x=b-e} settings for host operations.
Bit7-4
ACK_Cnt [3:0]
This sets the ACK count number for transfers performed with channel CHx{x=b-e}.
The H_CHx{x=b-e}IntStat register TranACK bit is set once the ACK number set has been counted.
0000:
0001 to 1111:
Bit3-2
SpeedMode [1:0]
This sets the operating mode for the device performing the transfer over channel CHx{x=b-e}.
00: HS mode
01: FS mode
10: Reserved
11: LS mode
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)
Register Name
R/W
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
1 to 15 ACK counts
− Use this setting for an HS device.
− Use this setting for an FS device.
− Use of this value is prohibited.
− Use this setting for an LS device.
Bit Symbol
ACK Count
Speed Mode
0: Toggle0
0: Stand by
EPSON
3. Register Details
Description
1: Toggle1
1: Transaction Start
Reset
00h
375

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