CY7C68033/CY7C68034
Document #: 001-04247 Rev. *D
Page 20 of 33
E65B 1
NAKIRQ
[8]
Endpoint Ping-NAK/IBN
Interrupt Request
EP8
EP6
EP4
EP2
EP1
EP0
0
IBN
xxxxxx0x
bbbbbbrb
E65C 1
USBIE
USB Int Enables
0
EP0ACK
HSGRANT
URES
SUSP
SUTOK
SOF
SUDAV
00000000 RW
E65D 1
USBIRQ
[8]
USB Interrupt Requests
0
EP0ACK
HSGRANT
URES
SUSP
SUTOK
SOF
SUDAV
0xxxxxxx
rbbbbbbb
E65E 1
EPIE
Endpoint Interrupt
Enables
EP8
EP6
EP4
EP2
EP1OUT
EP1IN
EP0OUT
EP0IN
00000000 RW
E65F 1
EPIRQ
[8]
Endpoint Interrupt
Requests
EP8
EP6
EP4
EP2
EP1OUT
EP1IN
EP0OUT
EP0IN
0
RW
E660 1
GPIFIE
[7]
GPIF Interrupt Enable
0
0
0
0
0
0
GPIFWF
GPIFDONE
00000000 RW
E661 1
GPIFIRQ
[7]
GPIF Interrupt Request
0
0
0
0
0
0
GPIFWF
GPIFDONE
000000xx RW
E662 1
USBERRIE
USB Error Interrupt
Enables
ISOEP8
ISOEP6
ISOEP4
ISOEP2
0
0
0
ERRLIMIT
00000000 RW
E663 1
USBERRIRQ
[8]
USB Error Interrupt
Requests
ISOEP8
ISOEP6
ISOEP4
ISOEP2
0
0
0
ERRLIMIT
0000000x bbbbrrrb
E664 1
ERRCNTLIM
USB Error counter and
limit
EC3
EC2
EC1
EC0
LIMIT3
LIMIT2
LIMIT1
LIMIT0
xxxx0100 rrrrbbbb
E665 1
CLRERRCNT
Clear Error Counter EC3:0 x
x
x
x
x
x
x
x
xxxxxxxx
W
E666 1
INT2IVEC
Interrupt 2 (USB)
Autovector
0
I2V4
I2V3
I2V2
I2V1
I2V0
0
0
00000000 R
E667 1
INT4IVEC
Interrupt 4 (slave FIFO &
GPIF) Autovector
1
0
I4V3
I4V2
I4V1
I4V0
0
0
10000000 R
E668 1
INTSET-UP
Interrupt 2&4 setup
0
0
0
0
AV2EN
0
INT4SRC
AV4EN
00000000 RW
E669 7
reserved
INPUT/OUTPUT
E670 1
PORTACFG
I/O PORTA Alternate
Configuration
FLAGD
SLCS
0
0
0
0
INT1
INT0
00000000 RW
E671 1
PORTCCFG
I/O PORTC Alternate
Configuration
GPIFA7
GPIFA6
GPIFA5
GPIFA4
GPIFA3
GPIFA2
GPIFA1
GPIFA0
00000000 RW
E672 1
PORTECFG
I/O PORTE Alternate
Configuration
GPIFA8
T2EX
INT6
RXD1OUT
RXD0OUT T2OUT
T1OUT
T0OUT
00000000 RW
E673 4
XTALINSRC
XTALIN Clock Source
0
0
0
0
0
0
0
EXTCLK
00000000 rrrrrrrb
E677 1
reserved
E678 1
I2CS
I
2
C Bus Control & Status START
STOP
LASTRD
ID1
ID0
BERR
ACK
DONE
000xx000 bbbrrrrr
E679 1
I2DAT
I
2
C Bus Data
d7
d6
d5
d4
d3
d2
d1
d0
xxxxxxxx
RW
E67A 1
I2CTL
I
2
C Bus Control
0
0
0
0
0
0
STOPIE
400kHz
00000000 RW
E67B 1
XAUTODAT1
Autoptr1 MOVX access,
when APTREN=1
D7
D6
D5
D4
D3
D2
D1
D0
xxxxxxxx
RW
E67C 1
XAUTODAT2
Autoptr2 MOVX access,
when APTREN=1
D7
D6
D5
D4
D3
D2
D1
D0
xxxxxxxx
RW
UDMA CRC
E67D 1
UDMACRCH
[7]
UDMA CRC MSB
CRC15
CRC14
CRC13
CRC12
CRC11
CRC10
CRC9
CRC8
01001010 RW
E67E 1
UDMACRCL
[7]
UDMA CRC LSB
CRC7
CRC6
CRC5
CRC4
CRC3
CRC2
CRC1
CRC0
10111010 RW
E67F 1
UDMACRC-
QUALIFIER
UDMA CRC Qualifier
QENABLE
0
0
0
QSTATE
QSIGNAL2
QSIGNAL1
QSIGNAL0
00000000 brrrbbbb
USB CONTROL
E680 1
USBCS
USB Control & Status
HSM
0
0
0
DISCON
NOSYNSOF RENUM
SIGRSUME x0000000 rrrrbbbb
E681 1
SUSPEND
Put chip into suspend
x
x
x
x
x
x
x
x
xxxxxxxx
W
E682 1
WAKEUPCS
Wakeup Control & Status WU2
WU
WU2POL
WUPOL
0
DPEN
WU2EN
WUEN
xx000101 bbbbrbbb
E683 1
TOGCTL
Toggle Control
Q
S
R
IO
EP3
EP2
EP1
EP0
x0000000 rrrbbbbb
E684 1
USBFRAMEH
USB Frame count H
0
0
0
0
0
FC10
FC9
FC8
00000xxx R
E685 1
USBFRAMEL
USB Frame count L
FC7
FC6
FC5
FC4
FC3
FC2
FC1
FC0
xxxxxxxx
R
E686 1
MICROFRAME
Microframe count, 0-7
0
0
0
0
0
MF2
MF1
MF0
00000xxx R
E687 1
FNADDR
USB Function address
0
FA6
FA5
FA4
FA3
FA2
FA1
FA0
0xxxxxxx
R
E688 2
reserved
ENDPOINTS
E68A 1
EP0BCH
[7]
Endpoint 0 Byte Count H (BC15)
(BC14)
(BC13)
(BC12)
(BC11)
(BC10)
(BC9)
(BC8)
xxxxxxxx
RW
E68B 1
EP0BCL
[7]
Endpoint 0 Byte Count L (BC7)
BC6
BC5
BC4
BC3
BC2
BC1
BC0
xxxxxxxx
RW
E68C 1
reserved
E68D 1
EP1OUTBC
Endpoint 1 OUT Byte
Count
0
BC6
BC5
BC4
BC3
BC2
BC1
BC0
0xxxxxxx
RW
E68E 1
reserved
E68F 1
EP1INBC
Endpoint 1 IN Byte Count 0
BC6
BC5
BC4
BC3
BC2
BC1
BC0
0xxxxxxx
RW
E690 1
EP2BCH
[7]
Endpoint 2 Byte Count H 0
0
0
0
0
BC10
BC9
BC8
00000xxx RW
E691 1
EP2BCL
[7]
Endpoint 2 Byte Count L BC7/SKIP
BC6
BC5
BC4
BC3
BC2
BC1
BC0
xxxxxxxx
RW
E692 2
reserved
E694 1
EP4BCH
[7]
Endpoint 4 Byte Count H 0
0
0
0
0
0
BC9
BC8
000000xx RW
E695 1
EP4BCL
[7]
Endpoint 4 Byte Count L BC7/SKIP
BC6
BC5
BC4
BC3
BC2
BC1
BC0
xxxxxxxx
RW
E696 2
reserved
E698 1
EP6BCH
[7]
Endpoint 6 Byte Count H 0
0
0
0
0
BC10
BC9
BC8
00000xxx RW
E699 1
EP6BCL
[7]
Endpoint 6 Byte Count L BC7/SKIP
BC6
BC5
BC4
BC3
BC2
BC1
BC0
xxxxxxxx
RW
E69A 2
reserved
E69C 1
EP8BCH
[7]
Endpoint 8 Byte Count H 0
0
0
0
0
0
BC9
BC8
000000xx RW
E69D 1
EP8BCL
[7]
Endpoint 8 Byte Count L BC7/SKIP
BC6
BC5
BC4
BC3
BC2
BC1
BC0
xxxxxxxx
RW
Table 9. NX2LP-Flex Register Summary
(continued)
Hex
Size Name
Description
b7
b6
b5
b4
b3
b2
b1
b0
Default
Access
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