Fifo interrupt status 3 register – Digi NS9750 User Manual
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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 3 register
Address: 9010 3030
Register bit assignment
Bits
Access
Mnemonic
Reset
Description
D31:16
N/A
Reserved
N/A
N/A
D15
RW1TC
ACK12
0
Endpoint 10 acknowledge status. See Table 449: "USB
device endpoint status" on page 770.
D14
RW1TC
NACK12
0
Endpoint 10 negative acknowledge status. See Table 449:
"USB device endpoint status" on page 770.
D13
RW1TC
ERROR12
0
Endpoint 10 error status. See Table 449: "USB device
endpoint status" on page 770.
D12:08
N/A
Reserved
N/A
Not valid in DMA mode.
D07
RW1TC
ACK11
0
Endpoint 9 acknowledge status. See Table 449: "USB
device endpoint status" on page 770.
D06
RW1TC
NACK11
0
Endpoint 9 negative acknowledge status. See Table 449:
"USB device endpoint status" on page 770.
D05
RW1TC
ERROR11
0
Endpoint 9 error status. See Table 449: "USB device
endpoint status" on page 770.
D04:00
N/A
Reserved
N/A
Not valid in DMA mode.
Table 453: FIFO Interrupt Status 3 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
ERROR
12
Reserved
ACK
12
NACK
12
Reserved
ACK
11
NACK
11
ERROR
11
Reserved