Achronix Speedster22i User Macro Guide Manuale Utente Scaricare il pdf (Pagina 16)

Cell Naming Conventions

Speedster Macro Cell Library

www.achronix.com PAGE xv

Cell Naming Conventions

DFFNER

Reset

R–Reset(haspriorityoverenable)

S–Set(haspriorityoverenable)

C–Clear(enablehaspriority)

P–Preset(enablehaspriority)

Blank–Noresetinput

Enable

E–Enableinput

blank–Noenableinput

ClockEdge

Blank–Positive‐edgeregister

N–Negative‐edgeregister

CellType

DFF–D‐typeregister

I/O Cell Naming Conventions

IOPAD_DIFFD_DL

D–Positive‐edgeregister

D2–DDRRegister

Blank–Non‐registered

InputMode

Blank–SingleendedI/O

DIFF–DifferentialI/O

I/OType

IPAD–inpu tpad

OPAD–outputpad

TPAD–outputpadwithtristateenable

IOPAD–bidirectionalpad

D2H–DDRRegisterwithHalf‐rateinterface

DelayMode

Blank‐NoDelayLine

DL‐ProgrammableDelayLine

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 223 224

Nessun commento

Achronix Speedster22i User Macro Guide Manuale Utente Pagina 16