Rev1.0a | 32/50
CMT2300A
5.2.2 FIFO Associated Interrupt
CMT2300A provides rich interrupt sources associated with the FIFO. The interrupt timing for Tx and Rx FIFO is shown below:
1
0
3
2
5
4
7
6
9
8
11
10
13
12
15
14
17
16
19
18
21
20
23
22
25
24
27
26
29
28
31
30
EMPTY
FULL
RX_FIFO_NMTY
RX_FIFO_TH
RX_FIFO_FULL
Sync
1
0
3
2
5
4
7
6
9
8
11
10
13
12
15
14
17
16
19
18
21
20
23
22
25
24
27
26
29
28
31
30
RX DATA
Noise
Noise
SYNC_OK
RX FIFO ARRAY
RX_FIFO_OVF
(FIFO_TH = 16)
RX_FIFO_WBYTE
Figure 13. CMT2300ARX FIFO interrupt timing diagram
1
0
3
2
5
4
7
6
9
8
11
10
13
12
15
14
17
16
19
18
21
20
23
22
25
24
27
26
29
28
31
30
EMPTY
FULL
TX_FIFO_NMTY
TX_FIFO_TH
TX_FIFO_FULL
Sync
1
0
3
2
5
4
7
6
9
8
11
10
13
12
15
14
17
16
19
18
21
20
23
22
25
24
27
26
29
28
31
30
TX DATA
Prefix
0
FIFO ARRAY
(FIFO_TH = 16)
Pream
Figure 14. CMT2300A TX FIFO interrupt timing diagram