Warp-SE/cpld/XC95144XL/MXSE_html/fit/logic_legXbr.htm
2021-10-29 06:04:59 -04:00

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I/O Style - OD - OpenDrain
- PU - Pullup
- PN - Pulldown
- KPR - Keeper
- S - SchmittTrigger
- DG - DataGate
Reg Use - LATCH - Transparent latch
- DFF - D-flip-flop
- DEFF - D-flip-flop with clock enable
- TFF - T-flip-flop
- TDFF - Dual-edge-triggered T-flip-flop
- DDFF - Dual-edge-triggered flip-flop
- DDEFF - Dual-edge-triggered flip-flop with clock enable
/S (after any above flop/latch type) indicates initial state is Set
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