Sundance SMT319 - Manual (Page 24)

Version 1.0.7 Page 24 of 45 SMT319 User Manual
Video Input Status
Address:0x90058000
31 30 29 28 27 26 25 24 23–16
IER - IFLAG - IFF IFE - - IFL
R,0 0 R,0 1 R,0 R,1 0 1 R,00000000
15–8 7 6 5 4 3 2 1 0
- - - DIS - CLRIF - DIR
11111111 0 0 RW,0 0 W,0 0 R,0
- : reserved
Field Description (flags are active when 1)
0 Reading
DIR Transfer direction
CLRIF Clear incoming FIFO
0 Pause transmission when FIFO is full
DIS
1 Continue transmission even when FIFO full
IFL Incoming FIFO Level: number of words that can be read
IFE Incoming FIFO Empty
IFF Incoming FIFO Full
IFLAG Incoming FIFO Flag. Set when IFLAGLEVEL reads can be performed.
IER Input error. The DSP has read from an empty input FIFO.
Table 5:Video input status