S1R72803F00A
EPSON
19
8. INTERNAL REGISTER
8.1 IEEE1394 LINK CONTROLLER REGISTER MAPPING
8.1.1
Register Table
(The base address of this register is 0x100000.)
Address
Register Name
R/W
Function
Relation
0x00
MainIntStat
R(W)
Main Interrupt Status Register
0x01
SubIntStat
R(W)
Sub-Interrupt Status Register
0x02
(Reserved)
0x03
DmaIntStat
R(W)
DMA Interrupt Status Register
0x04
LinkIntStat1
R(W)
LINK Core Interrupt Status Register 1
0x05
LinkIntStat0
R(W)
LINK Core Interrupt Status Register 0
0x06
PhyIntStat
R(W)
PHY Interrupt Status Register
0x07
(Reserved)
0x08
MainIntEnb
R/W
Main Interrupt Enable Flag Register
0x09
SubIntEnb
R/W
Sub-Interrupt Enable Flag Register
0x0A
(Reserved)
0x0B
DmaIntEnb
R/W
DMA Interrupt Enable Flag Register
0x0C
LinkIntEnb1
R/W
LINK Core Interrupt Enable Flag Register 1
0x0D
LinkIntEnb0
R/W
LINK Core Interrupt Enable Flag Register 0
0x0E
PhyIntEnb
R/W
PHY Interrupt Enable Flag Register
0x0F
(Reserved)
0x10
ChipCtl
R/W
Chip Control Register
0x11
HW_Revision
R/W
Hardware Revision Register
0x12
(Reserved)
0x13
(Reserved)
0x14
(Reserved)
0x15
(Reserved)
0x16
(Reserved)
0x17
(Reserved)
0x18
LinkCtl_H
R/W
LINK Core Control Register
Higher Rank
0x19
LinkCtl_L
R/W
LINK Core Control Register
Lower Rank
0x1A
LinkStat
R
LINK Core Status Read Register
0x1B
PriReqCnt
R
Priority Request Count Register
0x1C
RetryLimit_H
R/W
Dual Retry Time Set Register
Higher Rank
0x1D
RetryLimit_L
R/W
Dual Retry Time Set Register
Lower Rank
0x1E
MaxRetry
R/W
Single Retry Number Set Register
0x1F
IRM_Stat
R/W
IRM Status Register
0x20
NODE_IDS_H
R/W
Node IDS Status Register
Higher Rank
0x21
NODE_IDS_L
R/W
Node IDS Status Register
Lower Rank
0x22
(Reserved)
0x23
(Reserved)
0x24
PhyAccCtl_H
R/W
LINK Core Control Register
Middle Rank
0x25
PhyAccCtl_L
R/W
LINK Core Control Register
Lower Rank
0x26
PhyRdstat_H
R
LINK Core Status Read Register
0x27
PhyRdstat_L
R/W
Priority Request Count Register
0x28
ChnlIndex
R/W
ISO Async Stream Channel Index Register
0x29
ChnlWindow
R/W
ISO Async Stream Channel Window Register
0x2A
CmprIndex
R/W
Compare Offset Address Index Register
0x2B
CmpRW indow
R/W
Compare Offset Address Window Register
0x2C
CYCLE_TIME_H
R/W
Cycle Time Register
Higher Rank