Analog Devices ADSP-SC58 Series Hardware Reference Manual page 2259

ADSP-SC58x EMAC Register Descriptions
DMA Missed Frame Register
The
EMAC_DMA1_MISS_FRM
MISSFRUN (RC)
Missed Frames Unavailable Buffer
OVFFIFO (RC)
Overflow bit for FIFO Overflow Counter
MISSFROV (RC)
Missed Frames Buffer Overflow
Figure 31-53: EMAC_DMA1_MISS_FRM Register Diagram
Table 31-85: EMAC_DMA1_MISS_FRM Register Fields
Bit No.
(Access)
28 OVFFIFO
(RC/NW)
27:17 MISSFROV
(RC/NW)
16 OVFMISS
(RC/NW)
15:0 MISSFRUN
(RC/NW)
31–168
register contains counters for EMAC DMA missed frames and buffer overflows.
15 14 13 12 11 10 9 8
0 0 0 0 0 0 0 0
31 30 29 28 27 26 25 24
0 0 0 0 0 0 0 0
Bit Name
Overflow bit for FIFO Overflow Counter.
The EMAC_DMA1_MISS_FRM.OVFFIFO bit holds the overflow bit for FIFO
Overflow Counter.
Missed Frames Buffer Overflow.
The EMAC_DMA1_MISS_FRM.MISSFROV bits indicate the number of frames
missed by the application due to buffer overflow.
Overflow bit for Missed Frame Counter.
The EMAC_DMA1_MISS_FRM.OVFMISS bit holds the overflow bit for the Missed
Frame Counter.
Missed Frames Unavailable Buffer.
The EMAC_DMA1_MISS_FRM.MISSFRUN bits indicate the number of frames
missed by the controller because of the Application Receive Buffer being unavailable.
ADSP-SC58x/ADSP-2158x SHARC+ Processor Hardware Reference
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
23 22 21 20 19 18 17 16
0 0 0 0 0 0 0 0
Description/Enumeration
OVFMISS (RC)
Overflow bit for Missed Frame Counter