28 USB FUNCTION CONTROLLER (USB)
S1C33L26 TECHNICAL MANUAL
Seiko Epson Corporation
28-33
SIE_IntEnb (SIE Interrupt Enable)
Register name Address
Bit
Name
Setting
Init. R/W
Remarks
SIE_IntEnb
(SIE interrupt
enable)
0x300c11
(8 bits)
D7
EnVBUS_Changed
1 Enable
0 Disable
0
R/W
D6
EnNonJ
0
R/W
D5
EnDetectReset
0
R/W
D4
EnDetectSuspend
0
R/W
D3
EnRcvSOF
0
R/W
D2
EnDetectJ
0
R/W
D1
–
–
–
–
0 when being read.
D0
EnSetAddressCmp
1 Enable
0 Disable
0
R/W
This register enables/disables assertion of the SIE_IntStat bit of the MainIntStat register with the cause of interrupt
of the SIE_IntStat register. EnVBUS_Changed and EnNonJ bits are valid during snooze as well.
EPrIntEnb (EPr Interrupt Enable)
Register name Address
Bit
Name
Setting
Init. R/W
Remarks
EPrIntEnb
(EPr interrupt
enable)
0x300c12
(8 bits)
D7–4 –
–
–
–
0 when being read.
D3
EnEPdIntStat
1 Enable
0 Disable
0
R/W
D2
EnEPcIntStat
0
R/W
D1
EnEPbIntStat
0
R/W
D0
EnEPaIntStat
0
R/W
This register enables/disables assertion of the EPrIntStat bit of the MainIntStat register with the cause of interrupt
of the EPrIntStat register.
DMA_IntEnb (DMA Interrupt Enable)
Register name Address
Bit
Name
Setting
Init. R/W
Remarks
DMA_IntEnb
(DMA interrupt
enable)
0x300c13
(8 bits)
D7–2 –
–
–
–
0 when being read.
D1
EnDMA_CountUp
1 Enable
0 Disable
0
R/W
D0
EnDMA_Cmp
0
R/W
This register enables/disables assertion of the DMA_IntStat bit of the MainIntStat register with the cause of inter-
rupt of the DMA_IntStat register.
FIFO_IntEnb (FIFO Interrupt Enable)
Register name Address
Bit
Name
Setting
Init. R/W
Remarks
FIFO_IntEnb
(FIFO interrupt
enable)
0x300c14
(8 bits)
D7
EnDescriptorCmp
1 Enable
0 Disable
0
R/W
D6–2 –
–
–
–
0 when being read.
D1
EnFIFO_IN_Cmp
1 Enable
0 Disable
0
R/W
D0
EnFIFO_OUT_Cmp
0
R/W
This register enables/disables assertion of the FIFO_IntStat bit of the MainIntStat register with the cause of inter-
rupt of the FIFO_IntStat register.
EP0IntEnb (EP0 Interrupt Enable)
Register name Address
Bit
Name
Setting
Init. R/W
Remarks
EP0IntEnb
(EP0 interrupt
enable)
0x300c17
(8 bits)
D7–6 –
–
–
–
0 when being read.
D5
EnIN_TranACK
1 Enable
0 Disable
0
R/W
D4
EnOUT_TranACK
0
R/W
D3
EnIN_TranNAK
0
R/W
D2
EnOUT_TranNAK
0
R/W
D1
EnIN_TranErr
0
R/W
D0
EnOUT_TranErr
0
R/W
This register enables/disables assertion of the EP0IntStat bit of the MainIntStat register with the cause of interrupt
of the EP0IntStat register.