Sundance SMT319 - Manual (Page 25)

Version 1.0.7 Page 25 of 45 SMT319 User Manual
Output Flag Register
0x9007C000
31–24 23–16 15–8 7–0
OTRIGGER
R,00000000 RW,10000000 R,00000000 R,10000000
Input Flag Register
0x90054000
31–24 23–16 15–8 7–0
ITRIGGER
R,00000000 R,10000000 R,00000000 RW,10000000
Field Description
OTRIGGER Outgoing FIFO trigger. Set to 128 after reset.
ITRIGGER Incoming FIFO trigger. Set to 128 after reset.
Table 6: output flag register
OFLAG in the Video Output status register will be 1 when there are at least
OTRIGGER spaces available in the output FIFO. OTRIGGER must be programmed
with a value between 1 and 255.
IFLAG in the Video Input status register will be 1 when there are at least ITRIGGER
words in the input FIFO. This register must be programmed with a value between 1
and 255.
CLRIF and CLROF do not affect OTRIGGER or ITRIGGER.