ModuleWare Reference Guide - Hornad

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Register PartsD Latch (dlatch)If load is set to asynchronous, then at every load trigger:qqb= rst_val= set_val= d= NOT(rst_val)= NOT(set_val)= NOT(d)If rst is active and gate trigger is presentIf set is active and gate trigger is presentIf gate trigger is presentIf rst is active and gate trigIf set is active and gate trigger is presentIf gate trigger is presentIf rst and set are asynchronous and load is set to synchronous:qqb= rst_val= set_val= NOT(rst_val)= NOT(set_val)if rst is active (irrespective of the gate trigger)if set is active (irrespective of the gate trigger)if rst is active (irrespective of the gate triggerif set is active (irrespective of the gate trigger)and at every gate trigger (high level if gate_type = ActiveHigh or low level if gate_type =ActiveLow):q = d if load is active or not connectedqb = NOT(d) ifload is active or not connectedIf load is set to asynchronous:qqb= rst_val= set_val= NOT(rst_val)= NOT(set_val)if rst is active (irrespective of the gate & load trigger)if set is active (irrespective of the gate & load trigger)if rst is active (irrespective of the gate & load trigger)if set is active (irrespective of the gate & load trigger)and at every load trigger:q = d if gate trigger is presentqb = NOT(d) ifgate trigger is presentTruth TablesThe tables are for positive polarities. For negative polarities, invert the values.Asynchronous rst and set and synchronous load:Table 7-4. D Latch Truth Table — Asynchronous rst and set, Synchronousloadload gate rst set q qb- - 1 - / NC rst_val NOT(rst_val)- - 0 / NC 1 set_val NOT(set_val)NC 1 0 / NC 0 / NC d NOT(d)144ModuleWare Reference Manual, Library Version 1.9September 18, 2008
1 1 0 / NC 0 / NC d NOT(d)0 1 0 / NC 0 / NC q qbAsynchronous rst and set and asynchronous load:Synchronous rst and set and synchronous load:Synchronous rst and set and asynchronous load:Register PartsD Latch (dlatch)Table 7-4. D Latch Truth Table — Asynchronous rst and set, Synchronousload (cont.)load gate rst set q qbTable 7-5. D Latch Truth Table — Asynchronous rst, set and loadload gate rst set q qb- - 1 - / NC rst_val NOT(rst_val)- - 0 / NC 1 set_val NOT(set_val)NC 1 0 / NC 0 / NC d NOT(d)0 - 0 / NC 0 / NC q qb1 1 0 / NC 0 / NC d NOT(d)Table 7-6. D Latch Truth Table — Synchronous rst, set and loadload gate rst set q qb- - 1 - / NC q qb- - 0 / NC 1 q qb- 1 1 0 / NC rst_val NOT(rst_val)- 1 0 / NC 1 set_val NOT(set_val)NC 1 0 / NC 0 / NC d NOT(d)0 1 0 / NC 0 / NC q qb1 1 0 / NC 0 / NC d NOT(d)Table 7-7. D Latch Truth Table — Synchronous rst and set, Asynchronousloadload gate rst set q qb- - 1 - / NC q qb- - 0 / NC 1 q qb1 / NC 1 1 0 / NC rst_val NOT(rst_val)1 / NC 1 0 / NC 1 set_va NOT(set_val)ModuleWare Reference Manual, Library Version 1.9 145September 18, 2008
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ModuleWare Reference Manualfor the
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Table of ContentsGated OR (or1) . .
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Table of ContentsBufif0 Primitive (
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List of TablesTable 5-18. N-Way Spl
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List of TablesTable 7-20. RS Flip-F
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List of TablesTable 10-41. XNOR Pri
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IntroductionNaming ConventionsNamin
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IntroductionSupported VHDL Packages
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IntroductionReset/Clear BehaviorYou
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IntroductionSet/Preset BehaviorSet/
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IntroductionGate BehaviorFunctioncl
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IntroductionEnable/Load BehaviorFun
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IntroductionVHDL Coding StyleNotes
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IntroductionDesign Rule CheckingFor
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IntroductionSlice SupportOtherwise
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Logic PartsN-Input AND Gate (and)N-
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Logic PartsN-Input XOR Gate (xor)N-
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Logic PartsN-Input NOR Gate (nor)N-
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Logic PartsAssign (assignment)Assig
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Logic PartsBit Setter (bitset)suffi
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Logic PartsBus Driver (busdrive)Bus
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Logic PartsGated OR (or1)Gated OR (
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Logic PartsInverter (inv)Inverter (
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Logic PartsReduction OR (tor)Reduct
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Logic PartsThree-state Buffer (trib
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Logic PartsThree-state bus (tribus)
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Logic PartsVariable Width N-Input A
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Logic PartsVariable Width N-Input X
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ConstantsConstant Value (constval)C
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ConstantsPower (vdd)Power (vdd)This
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Combinatorial PartsDecoder, Separat
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Combinatorial PartsDecoder, Separat
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Combinatorial PartsDecoder, Combine
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Combinatorial PartsEncoder (encoder
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Combinatorial PartsN-Input Multiple
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Combinatorial PartsN-Input One-hot
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Combinatorial PartsN-Input One-hot
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Combinatorial PartsW-Bit Multiplexe
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Combinatorial PartsW-Bit Multiplexe
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Bit Manipulation PartsN-Bus Merge (
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Bit Manipulation PartsN-Bus Merge (
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Bit Manipulation PartsN-Way Splitte
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Bit Manipulation PartsN-Way Splitte
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Bit Manipulation PartsBus Fill (wor
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Bit Manipulation PartsFixed Bit Sel
Page 94 and 95: Bit Manipulation PartsFixed Shifter
Page 96 and 97: Bit Manipulation PartsFixed Shifter
Page 98 and 99: Arithmetic Parts181 ALU (alu181)181
Page 100 and 101: Arithmetic Parts181 ALU (alu181)ovf
Page 102 and 103: Arithmetic PartsAbsolute Value (abs
Page 104 and 105: Arithmetic PartsAccumulator (acc)ad
Page 106 and 107: Arithmetic PartsAdder (add)Adder (a
Page 108 and 109: Arithmetic PartsAdder (add)Table 6-
Page 110 and 111: Arithmetic PartsAdder Subtractor (a
Page 112 and 113: Arithmetic PartsAdder Subtractor (a
Page 114 and 115: Arithmetic PartsComparator (cmp)Com
Page 116 and 117: Arithmetic PartsDecrementer (dec)De
Page 118 and 119: Arithmetic PartsIncrementer (inc)In
Page 120 and 121: Arithmetic PartsIncrementer Decreme
Page 122 and 123: Arithmetic PartsIncrementer Decreme
Page 124 and 125: Arithmetic PartsLeft Shifter (lshif
Page 126 and 127: Arithmetic PartsMultiplier (mult)A
Page 128 and 129: Arithmetic PartsRight Shifter (rshi
Page 130 and 131: Arithmetic PartsSubtractor (sub)Sub
Page 132 and 133: Arithmetic PartsSubtractor (sub)Tab
Page 134 and 135: Arithmetic PartsUni-function Compar
Page 136 and 137: Arithmetic PartsVariable Shifter (v
Page 138 and 139: Arithmetic PartsVariable Shifter (v
Page 140 and 141: Register PartsD Flip-Flop (adff)D F
Page 142 and 143: Register PartsD Flip-Flop (adff)Par
Page 146 and 147: Register PartsD Latch (dlatch)Table
Page 148 and 149: Register PartsJK Flip-Flop (jkff)Fu
Page 150 and 151: Register PartsJK Latch (jklatch)JK
Page 152 and 153: Register PartsJK Latch (jklatch)Asy
Page 154 and 155: Register PartsRS Flip-Flop (rsff)RS
Page 156 and 157: Register PartsRS Flip-Flop (rsff)Ta
Page 158 and 159: Register PartsRS Latch (rslatch)Fun
Page 160 and 161: Register PartsRS Latch (rslatch)Syn
Page 162 and 163: Register PartsT Flip-Flop (tff)Func
Page 164 and 165: Register PartsT Latch (tlatch)T Lat
Page 166 and 167: Register PartsT Latch (tlatch)Async
Page 168 and 169: Register PartsT Latch (tlatch)168Mo
Page 170 and 171: Sequential PartsBank of Flip-Flops
Page 172 and 173: Sequential PartsBank of Flip-Flops
Page 174 and 175: Sequential PartsBank of Latches (la
Page 176 and 177: Sequential PartsClock Divider (clkd
Page 178 and 179: Sequential PartsConfigurable Counte
Page 190 and 191: Sequential PartsModulo Counter (mod
Page 192 and 193: Sequential PartsModulo Counter (mod
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Sequential PartsModulo Counter (mod
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Sequential PartsParallel to Serial
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Sequential PartsParallel to Serial
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Sequential PartsSerial to Parallel
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Sequential PartsThree-state Bank of
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Sequential PartsThree-state Bank of
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Memory PartsDual Port RAM (ram2p)Du
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Memory PartsFirst In First Out (fif
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Memory PartsFirst In First Out (fif
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Memory PartsSingle Port RAM (ram)Si
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Memory PartsRegister File (regfile)
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Memory PartsROM (rom)ROM (rom)This
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Memory PartsROM (rom)The correspond
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Memory PartsROM (rom)Extended segme
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Memory PartsStack (stack)The reset
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Memory PartsStack (stack)Parameters
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Memory PartsSynthesizable Dual-Port
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Memory PartsSynthesizable Single-Po
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Primitive PartsIntroductionIntroduc
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Primitive PartsIntroductionTable 10
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Primitive PartsBuffer Primitive (pb
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Primitive PartsBufif0 Primitive (pb
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Primitive PartsBufif1 Primitive (pb
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Primitive PartsCMOS Primitive (pcmo
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Primitive PartsNAND Primitive (pnan
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Primitive PartsNOR Primitive (pnor)
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Primitive PartsNOT Primitive (pnot)
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Primitive PartsNotif0 Primitive (pn
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Primitive PartsNotif1 Primitive (pn
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Primitive PartsPMOS Primitive (ppmo
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Primitive PartsPullup Primitive (pp
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Primitive PartsRCMOS Primitive (prc
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Primitive PartsRPMOS Primitive (prp
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Primitive PartsXNOR Primitive (pxno
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Stimulus PartsSimple Clock (clk)Sim
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Stimulus PartsCompound Clock (cmpdc
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Stimulus PartsPulse (pulse)Pulse (p
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Stimulus PartsConstant Wave (constw
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Stimulus PartsRandom Value (random)
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Stimulus PartsRandom Value (random)
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Stimulus PartsCounter Value (counte
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Stimulus PartsCounter Value (counte
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Name ListName Description Pagedlatc
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Name ListName Description Pagesplit
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Function ListFunction Description P
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Function ListFunction Description P
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Function List286ModuleWare Referenc
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A BC D E F G H I J K L M N O P Q R
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A BC D E F G H I J K L M N O P Q R
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4. RESTRICTIONS ON USE. You may cop
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15. CONTROLLING LAW, JURISDICTION A
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ModuleWare Reference Guide - Hornad

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