28 USB FUNCTION CONTROLLER (USB)
28-34
Seiko Epson Corporation
S1C33L26 TECHNICAL MANUAL
EPaIntEnb (EPa Interrupt Enable)
Register name Address
Bit
Name
Setting
Init. R/W
Remarks
EPaIntEnb
(EPa interrupt
enable)
0x300c18
(8 bits)
D7
–
–
–
–
0 when being read.
D6
EnOUT_ShortACK
1 Enable
0 Disable
0
R/W
D5
EnIN_TranACK
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 EPaIntStat bit of the EPrIntStat register with the cause of interrupt of
the EPaIntStat register.
EPbIntEnb (EPb Interrupt Enable)
Register name Address
Bit
Name
Setting
Init. R/W
Remarks
EPbIntEnb
(EPb interrupt
enable)
0x300c19
(8 bits)
D7
–
–
–
–
0 when being read.
D6
EnOUT_ShortACK
1 Enable
0 Disable
0
R/W
D5
EnIN_TranACK
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 EPbIntStat bit of the EPrIntStat register with the cause of interrupt of
the EPbIntStat register.
EPcIntEnb (EPc Interrupt Enable)
Register name Address
Bit
Name
Setting
Init. R/W
Remarks
EPcIntEnb
(EPc interrupt
enable)
0x300c1a
(8 bits)
D7
–
–
–
–
0 when being read.
D6
EnOUT_ShortACK
1 Enable
0 Disable
0
R/W
D5
EnIN_TranACK
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 EPcIntStat bit of the EPrIntStat register with the cause of interrupt of
the EPcIntStat register.
EPdIntEnb (EPd Interrupt Enable)
Register name Address
Bit
Name
Setting
Init. R/W
Remarks
EPdIntEnb
(EPd interrupt
enable)
0x300c1b
(8 bits)
D7
–
–
–
–
0 when being read.
D6
EnOUT_ShortACK
1 Enable
0 Disable
0
R/W
D5
EnIN_TranACK
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 EPdIntStat bit of the EPrIntStat register with the cause of interrupt of
the EPdIntStat register.
RevisionNum (Revision Number)
Register name Address
Bit
Name
Setting
Init. R/W
Remarks
RevisionNum
(Revision
number)
0x300c20
(8 bits)
D7–0 RevisionNum[7:0]
Revision number
(0x12)
0x12
R
This register shows the revision number of the USB function controller. This register is valid during snooze as well.