Fifo interrupt status 2 register – Digi NS9750 User Manual
Page 797
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U S B C o n t r o l l e r M o d u l e
FIFO Interrupt Status 2 register
Address: 9010 3020
Register bit assignment
D06
RW1TC
NACK3
0
Endpoint 1 negative acknowledge status. See Table 449,
“USB device endpoint status,” on page 770.
D05
RW1TC
ERROR3
0
Endpoint 1 error status. See Table 449, “USB device
endpoint status,” on page 770.
D04:00
N/A
Reserved
N/A
Not valid in DMA mode.
Bits
Access
Mnemonic
Reset
Description
D31
RW1TC
ACK10
0
Endpoint 8 acknowledges status. See Table 449, “USB
device endpoint status,” on page 770.
D30
RW1TC
NACK10
0
Endpoint 8 negative acknowledgement status. See
Table 449, “USB device endpoint status,” on page 770.
D29
RW1TC
ERROR10
0
Endpoint 8 error status. See Table 449, “USB device
endpoint status,” on page 770.
D28:24
N/A
Reserved
N/A
Not valid in DMA mode.
D23
RW1TC
ACK9
0
Endpoint 7 acknowledge status. See Table 449, “USB
device endpoint status,” on page 770.
D22
RW1TC
NACK9
0
Endpoint 7 negative acknowledgement status. See
Table 449, “USB device endpoint status,” on page 770.
D21
RW1TC
ERROR9
0
Endpoint 7 error status. See Table 449, “USB device
endpoint status,” on page 770.
Table 452: FIFO Interrupt Status 2 register
Bits
Access
Mnemonic
Reset
Description
Table 451: FIFO Interrupt Status 1 register
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
31
29
28
27
26
25
24
23
22
21
20
19
18
17
16
30
Reserved
ERROR
8
Reserved
ACK8 NACK
8
Reserved
ACK7 NACK
7
ERROR
7
ACK
10
NACK
10
ERROR
10
ERROR
9
NACK
9
ACK9
Reserved