Epson S2R72V18 Technical Manual page 394

3.3.57 Port0:1A1h / Port1:3A1h H_CHbConfig_1(Host Channel b Configuration1)
3.3.58 Port0:1B1h / Port1:3B1h H_CHcConfig_1(Host Channel c Configuration1)
3.3.59 Port0:1C1h / Port1:3C1h H_CHdConfig_1(Host Channel d Configuration1)
3.3.60 Port0:1D1h / Port1:3D1h H_CHeConfig_1(Host Channel e Configuration1)
Base Address: Port0=000h, Port1=200h
Mode Ofst Adrs Register Name
Host 1A1h H_CHbConfig_1
1B1h H_CHcConfig_1
1C1h H_CHdConfig_1
1D1h H_CHeConfig_1
These set the basic channel CHx{x=b-e} settings for host operations.
Bit7-6 TID[1:0]
This sets the transaction type (OUT/IN) to be issued with channel CHx{x=b-e}.
00: Reserved
01: OUT
10: IN
11: Reserved
Bit5-4 TranType[1:0]
Sets the transfer type performed with channel CHx{x=b-e}.
00: Reserved
01: Isochronous − Uses isochronous transfers.
10: Bulk
11: Interrupt
Bit3 AutoZerolen
Setting this bit to "1" automatically adds a zero-length packet after the transfer size set in the
H_CHx{x=b-e}TotalSizeHH to LL registers ends at exactly the MaxPacketSize. This bit is enabled
only for OUT transfers.
S2R72V18 Technical Manual (Rev.1.00)
R/W Bit Symbol
7: TID[1]
R/W
6: TID[0]
5: TranType[1]
R/W
4: TranType[0]
R/W 3: AutoZerolen
R/W 2: Audio441
1: TotalSizeFree[1]
R/W
0: TotalSizeFree[0]
− Use of this value is prohibited.
− Issues an OUT token.
− Issues an IN token.
− Use of this value is prohibited.
− Use of this value is prohibited.
− Uses bulk transfers.
− Uses interrupt transfers.
EPSON
Description
Transaction ID
Transfer Type
0: Do nothing
0: Disable
TotalSizeFree[1:0]
3. Register Details
1: Add Zerolen
1: Enable
Reset
00h
377