M1AFS600-PQ208 Datasheet, PDF (93/334 Pages) Microsemi Corporation – Fusion Family of Mixed Signal FPGAs

Fusion Family of Mixed Signal FPGAs
WCLK
FF
AFF
t _CYC
t _CKAF
t _WCKFF
WA/RA
(Address Counter)
NO MATCH
NO MATCH
Figure 2-61 • FIFO FULL and AFULL Flag Assertion
Dist = AFF_TH
MATCH (FULL)
WCLK
WA/RA
(Address Counter)
M(EAMTPCTHY)
NO MATCH
NO MATCH
RCLK
1st rising
edge
after 1st
write
2nd rising
edge
after 1st
write
t_RCKEF
EF
NO MATCH
AEF
Figure 2-62 • FIFO EMPTY Flag and AEMPTY Flag Deassertion
NO MATCH Dist = AEF_TH + 1
t_CKAF
RCLK
(Address CWouAn/tRerA) MATCH (FULL) NO MATCH
WCLK
1st Rising
Edge
After 1st
Read
NO MATCH
1st Rising
Edge
After 2nd
Read
t_WCKF
FF
NO MATCH
AFF
Figure 2-63 • FIFO FULL Flag and AFULL Flag Deassertion
NO MATCH Dist = AFF_TH – 1
t_CKAF
Revision 4
2- 77