S1R72803F00A
EPSON
77
RxORBAreaStart
This register sets the starting address of a receive ORB data area.
TxHeaderAreaStart
This register sets the starting address of a transmit header area.
TxStreamAreaStart
This register sets the starting address of a transmit stream data area.
TxStreamAreaEnd
This register sets the ending address of a transmit stream data area. The actual data store area is up to
immediately before this specified address.
RxStreamAreaStart
This register sets the starting address of a receive stream data area.
Bus Reset Header Pointer Register
This Bus Reset Header Pointer Register holds the value of a PostRxHdrPtr when a bus reset occurs. When
several bus resets occur, it is updated to the latest PostRxHdrPtr. This register is read-only and writing to this
register is ignored.
Address Register Name
Bit Symbol
R/W
Description
H.Rst S.Rst B.Rst
0x58
BRstHdrPtr_H
7:
Write is ignore
6:
Read is always zero
5:
4: BusResetPtr[12]
0x00
0x00
–
3: BusResetPtr[11]
2: BusResetPtr[10]
Bus Reset Header Area Pointer
1: BusResetPtr[9]
R
This register indicates Address
0: BusResetPtr[8]
in Rx Header Area
0x59
BRstHdrPtr_L
7: BusResetPtr[7]
when BusRest detected.
6: BusResetPtr[6]
5: BusResetPtr[5]
4:
0x00
0x00
–
3:
Write is ignore
2:
Read is always zero
1:
0:
Memory Map Area Index/Window Register
AreaIndex
AreaWindow_H/L
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
0x00
RxORBAreaStart_H
(MSB)
RxORBAreaStart[12:8]
RxORBAreaStart_L
RxORBAreaStart[7:2]
(LSB)
0x01
TxHdrAreaStart_H
(MSB)
TxHdrAreaStart[12:8]
TxHdrAreaStart_L
TxHdrAreaStart[7:2]
(LSB)
0x02
TxStreamAreaStart_H
(MSB)
TxStreamAreaStart[12:8]
TxStreamAreaStart_L
TxStreamAreaStart[7:2]
(LSB)
0x03
TxStreamAreaEnd_H
(MSB)
TxStreamAreaEnd[12:8]
TxStreamAreaEnd_L
TxStreamAreaEnd[7:2]
(LSB)
0x04
RxStreamAreaStart_H
(MSB)
RxStreamAreaStart[12:8]
RxStreamAreaStart_L
RxStreamAreaStart[7:2]
(LSB)
0x05
(Reserved)
:
(Reserved)
0x0F
(Reserved)