Beginner VHDl Training Class Danny Mok Altera HK FAE (amok@altera.com) Copyright 1997 Altera Corporation 2/22/2021P1 favara
Copyright © 1997 Altera Corporation 2/22/2021 P.1 Beginner VHDL Training Class Danny Mok Altera HK FAE (dmok@altera.com)
What is vhdl a Very high speed integrated Hardware Description Language(VHDL) is an industry standard hardware description language description the hardware in language instead of graphic easy to modify ° easy to maintain very good for complex combinational logic BCD to 7 Segment converter address decoding state machine · more than you want... Copyright 1997 Altera Corporation 2/22/2021P2 favara
Copyright © 1997 Altera Corporation 2/22/2021 P.2 What is VHDL ◼ Very high speed integrated Hardware Description Language (VHDL) – is an industry standard hardware description language – description the hardware in language instead of graphic • easy to modify • easy to maintain – very good for • complex combinational logic – BCD to 7 Segment converter – address decoding • state machine • more than you want……
What vhdl standard means?? The Vhdl is used to describe Inputs port Outputs port behavior and functions of the circuits unctions Output port Inputs port …e UTPUT out The language is defined by two successive standards IEEE Std 1076-1987(called VHDL 1987) IEEE Std 1076-1993(called VHDL 1993) Copyright 1997 Altera Corporation 2/22/2021P favara
Copyright © 1997 Altera Corporation 2/22/2021 P.3 What VHDL Standard means?? ◼ The VHDL is used to describe – Inputs port – Outputs port – behavior and functions of the circuits ◼ The language is defined by two successive standards – IEEE Std 1076-1987 (called VHDL 1987) – IEEE Std 1076-1993 (called VHDL 1993) Inputs port Output port functions
Altera Vhdl Altera Max+ Plus support both VHDL 1987 and 1993 a Max+ Plus l only support SUBSET of the two IEEE standard a Detail of the support can be referred to Altera Max+Plus VHDL handbook on page 89 Section 3 Copyright 1997 Altera Corporation 2/22/2021P4 favara
Copyright © 1997 Altera Corporation 2/22/2021 P.4 Altera VHDL ◼ Altera Max+Plus II support both VHDL 1987 and 1993 ◼ Max+Plus II only support SUBSET of the two IEEE standard ◼ Detail of the support can be referred to Altera Max+Plus II VHDL handbook on page 89 Section 3
How to use the vhdl use any text editor to create the file Altera Software Max+ Plus li provides text editor 喻净MAX+ plus Il Manager+dmax2work MAX+plus II File Assign Options Help 回回回圖圖回图圆國郾感网圈网画圆 New click at File Type this icon C Graphic Editor file gdf C Symbol Editor file tExt Editor file C Waveform Editor file scf OK Cancel Copyright 1997 Altera Corporation 2/22/2021P favara
Copyright © 1997 Altera Corporation 2/22/2021 P.5 How to use the VHDL ◼ use any text editor to create the file – Altera Software Max+Plus II provides text editor click at this icon