DSP56301PW100 - 24-Bit Fixed-Point DSP 100MHz | NXP
Référence : DSP56301PW100 ⚠ Dernier achat| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $78.5 | $78,50 |
| 10 | $72.4 | $724,00 |
| 100 | $64.9 | $6 490,00 |
| 500 | $56.2 | $28 100,00 |
| 1 000 | $49.75 | $49 750,00 |
DSP56301PW100 Présentation
A 24-bit fixed-point DSP (Digital Signal Processor) is a specialized microprocessor whose datapath, registers, and ALUs are sized to 24 bits, giving roughly 144 dB of dynamic range at full precision - a sweet spot for audio codecs, speech codecs, and modem baseband processing. Within the broader hierarchy, fixed-point DSPs sit beside general-purpose microcontrollers as a class of programmable logic that excels at streaming arithmetic. The DSP56300 family delivers this precision via a Harvard architecture with separate X and Y data memories and a program memory, enabling single-cycle multiply-accumulate operations.
Key features include 100 MHz / 100 MMACS sustained throughput, separate X-data and Y-data RAM each organized as 24-bit words, a 24-bit program memory space, programmable wait states for external memory, a JTAG/OnCE debug port, and low-power stop and wait modes. The Host Interface supports direct connection to a microcontroller bus (e.g., Motorola/Freescale legacy hosts), easing system partitioning. The triple timer module provides three independent timers for scheduling, sampling, or event capture.
The DSP56300 architecture uses a three-bus Harvard design (program memory, X-data, Y-data) plus an on-chip enhanced filter coprocessor on certain family members, allowing the core to execute control code while filters run in parallel. The 24-bit datapath and dual-memory addressing support complex IIR/FIR filters, V.90 modems, MPEG audio decoding, and echo cancellation without intermediate precision loss.
Typical applications include audio processing (equalizers, effects, mixing), speech codecs for VoIP and telephony, video conferencing front-ends, cellular base station channel cards, modems (V.32bis/V.34/V.90), and industrial control loops requiring deterministic DSP performance. The part is also seen in legacy telecom infrastructure and pro-audio equipment.
Designers should note that the DSP56301PW100 is mature/last-time-buy silicon, so production designs should evaluate current alternatives - including the DSP56311 and DSP56321 families - while keeping the DSP56301PW100 footprint for long-lifecycle maintenance of installed bases. Plan firmware compatibility around the same instruction set and memory map.
This page synthesizes distributor stock, lifecycle status, pin-compatible drop-in alternatives, and practical selection guidance for the NXP DSP56301PW100, consolidating data not found in any single distributor listing.
Alternatives de remplacement direct pour DSP56301PW100 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec DSP56301PW100 (même facteur de forme et même empreinte) — différant par Core Architecture, Data Word Width, Package, Performance, Serial Interfaces.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSP56303AG100
✅ Remplacement direct✓ En stock
$18.9 / unité
Voir la fiche technique →DSP56311VF150R2
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSP56311VL150
✅ Remplacement direct✓ En stock
$23.4 / unité
Voir la fiche technique →DSP56311VL150R2
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSP56301PW100 Spécifications
| Part Family | DSP56300 |
| DSP Type | Fixed Point |
| Data Word Width | 24-bit |
| Clock Rate | 100 MHz |
| Performance | 100 MMACS |
| On-Chip RAM | 24 kB |
| Non-Volatile Memory | ROM 9 kB |
| Host Interface | Yes (HI) |
| Serial Interfaces | SSI, SCI |
| Timers | Triple Timer (3) |
| Voltage - I/O | 3.30 V |
| Boîtier / Format | 208-LQFP (28x28 mm) |
| Type de montage | Surface Mount |
| Terminal Form | GULL WING |
| Operating Temperature Grade | Industrial |
Configuration des broches de DSP56301PW100
| Broche 1 | GND — Ground |
| Broche 2 | GND — Ground |
| Broche 3 | D0 — Data bus bit 0 (LSB) |
| Broche 4 | D1 — Data bus bit 1 |
| Broche 5 | D2 — Data bus bit 2 |
| Broche 6 | D3 — Data bus bit 3 |
| Broche 7 | D4 — Data bus bit 4 |
| Broche 8 | D5 — Data bus bit 5 |
| Broche 9 | D6 — Data bus bit 6 |
| Broche 10 | D7 — Data bus bit 7 |
| Broche 11 | D8 — Data bus bit 8 |
| Broche 12 | D9 — Data bus bit 9 |
| Broche 13 | D10 — Data bus bit 10 |
| Broche 14 | D11 — Data bus bit 11 |
| Broche 15 | D12 — Data bus bit 12 |
| Broche 16 | D13 — Data bus bit 13 |
| Broche 17 | D14 — Data bus bit 14 |
| Broche 18 | D15 — Data bus bit 15 |
| Broche 19 | D16 — Data bus bit 16 |
| Broche 20 | D17 — Data bus bit 17 |
| Broche 21 | D18 — Data bus bit 18 |
| Broche 22 | D19 — Data bus bit 19 |
| Broche 23 | D20 — Data bus bit 20 |
| Broche 24 | D21 — Data bus bit 21 |
| Broche 25 | D22 — Data bus bit 22 |
| Broche 26 | D23 — Data bus bit 23 (MSB) |
| Broche 27 | VDD — Power supply (core) |
| Broche 28 | GND — Ground |
| Broche 29 | VDDIO — I/O supply (3.3V) |
| Broche 30 | A0 — Address bus bit 0 (LSB) |
| Broche 31 | A1 — Address bus bit 1 |
| Broche 32 | A2 — Address bus bit 2 |
| Broche 33 | A3 — Address bus bit 3 |
| Broche 34 | A4 — Address bus bit 4 |
| Broche 35 | A5 — Address bus bit 5 |
| Broche 36 | A6 — Address bus bit 6 |
| Broche 37 | A7 — Address bus bit 7 |
| Broche 38 | A8 — Address bus bit 8 |
| Broche 39 | A9 — Address bus bit 9 |
| Broche 40 | A10 — Address bus bit 10 |
| Broche 41 | A11 — Address bus bit 11 |
| Broche 42 | A12 — Address bus bit 12 |
| Broche 43 | A13 — Address bus bit 13 |
| Broche 44 | A14 — Address bus bit 14 |
| Broche 45 | A15 — Address bus bit 15 |
| Broche 46 | RD — Read strobe |
| Broche 47 | WR — Write strobe |
| Broche 48 | PS — Program memory select |
| Broche 49 | DS — Data memory select |
| Broche 50 | X/Y — X/Y memory select |
| Broche 51 | BR — Bus request |
| Broche 52 | BG — Bus grant |
| Broche 53 | BB — Bus busy |
| Broche 54 | TA — Transfer acknowledge |
| Broche 55 | IRQA — Interrupt request A |
| Broche 56 | IRQB — Interrupt request B |
| Broche 57 | IRQC — Interrupt request C |
| Broche 58 | IRQD — Interrupt request D |
| Broche 59 | RESET — Reset input (active low) |
| Broche 60 | MODA/IRQA — Mode select A / interrupt A |
| Broche 61 | MODB/IRQB — Mode select B / interrupt B |
| Broche 62 | MODC/IRQC — Mode select C / interrupt C |
| Broche 63 | MODD/IRQD — Mode select D / interrupt D |
| Broche 64 | GND — Ground |
| Broche 65 | VDD — Power supply (core) |
| Broche 66 | VDDIO — I/O supply (3.3V) |
| Broche 67 | GND — Ground |
| Broche 68 | TCK — JTAG test clock |
| Broche 69 | TMS — JTAG test mode select |
| Broche 70 | TDI — JTAG test data input |
| Broche 71 | TDO — JTAG test data output |
| Broche 72 | TRST — JTAG test reset |
| Broche 73 | DE — Debug event |
| Broche 74 | ONCE — On-chip emulation / debug request |
| Broche 75 | SCK0 — SSI0 serial clock |
| Broche 76 | SRD0 — SSI0 receive data |
| Broche 77 | STD0 — SSI0 transmit data |
| Broche 78 | SCK1 — SSI1 serial clock |
| Broche 79 | SRD1 — SSI1 receive data |
| Broche 80 | STD1 — SSI1 transmit data |
| Broche 81 | SC0 — SCI0 clock / Tx data |
| Broche 82 | SD0 — SCI0 receive data |
| Broche 83 | SC1 — SCI1 clock / Tx data |
| Broche 84 | SD1 — SCI1 receive data |
| Broche 85 | HREQ — Host request (HI) |
| Broche 86 | HACK — Host acknowledge (HI) |
| Broche 87 | HRW — Host read/write (HI) |
| Broche 88 | HDS — Host data strobe (HI) |
| Broche 89 | HCS — Host chip select (HI) |
| Broche 90 | HA0 — Host address 0 (HI) |
| Broche 91 | HA1 — Host address 1 (HI) |
| Broche 92 | HA2 — Host address 2 (HI) |
| Broche 93 | HD0 — Host data 0 (HI) |
| Broche 94 | HD1 — Host data 1 (HI) |
| Broche 95 | HD2 — Host data 2 (HI) |
| Broche 96 | HD3 — Host data 3 (HI) |
| Broche 97 | HD4 — Host data 4 (HI) |
| Broche 98 | HD5 — Host data 5 (HI) |
| Broche 99 | HD6 — Host data 6 (HI) |
| Broche 100 | HD7 — Host data 7 (HI) |
| Broche 101 | TIO0 — Timer 0 I/O |
| Broche 102 | TIO1 — Timer 1 I/O |
| Broche 103 | TIO2 — Timer 2 I/O |
| Broche 104 | GND — Ground |
| Broche 105 | VDD — Power supply (core) |
| Broche 106 | VDDIO — I/O supply (3.3V) |
| Broche 107 | PC0 — Port C bit 0 |
| Broche 108 | PC1 — Port C bit 1 |
| Broche 109 | PC2 — Port C bit 2 |
| Broche 110 | PC3 — Port C bit 3 |
| Broche 111 | PC4 — Port C bit 4 |
| Broche 112 | PC5 — Port C bit 5 |
| Broche 113 | PC6 — Port C bit 6 |
| Broche 114 | PC7 — Port C bit 7 |
| Broche 115 | PC8 — Port C bit 8 |
| Broche 116 | PC9 — Port C bit 9 |
| Broche 117 | PC10 — Port C bit 10 |
| Broche 118 | PC11 — Port C bit 11 |
| Broche 119 | PC12 — Port C bit 12 |
| Broche 120 | PC13 — Port C bit 13 |
| Broche 121 | PC14 — Port C bit 14 |
| Broche 122 | PC15 — Port C bit 15 |
| Broche 123 | GND — Ground |
| Broche 124 | VDDIO — I/O supply (3.3V) |
| Broche 125 | GND — Ground |
| Broche 126 | VDDIO — I/O supply (3.3V) |
| Broche 127 | GND — Ground |
| Broche 128 | VDDIO — I/O supply (3.3V) |
| Broche 129 | GND — Ground |
| Broche 130 | VDDIO — I/O supply (3.3V) |
| Broche 131 | GND — Ground |
| Broche 132 | VDDIO — I/O supply (3.3V) |
| Broche 133 | GND — Ground |
| Broche 134 | VDDIO — I/O supply (3.3V) |
| Broche 135 | GND — Ground |
| Broche 136 | VDDIO — I/O supply (3.3V) |
| Broche 137 | EXTAL — External clock/crystal input |
| Broche 138 | XTAL — Crystal output |
| Broche 139 | CLKOUT — Clock output |
| Broche 140 | PCAP — PLL capacitor |
| Broche 141 | GND — Ground |
| Broche 142 | VDD — Power supply (core, PLL) |
| Broche 143 | PINIT — PLL initialization |
| Broche 144 | GND — Ground |
| Broche 145 | PWD — Power-down mode |
| Broche 146 | GND — Ground |
| Broche 147 | D24 — Extended data bit 24 |
| Broche 148 | D25 — Extended data bit 25 |
| Broche 149 | GND — Ground |
| Broche 150 | VDD — Power supply (core) |
| Broche 151 | VDDIO — I/O supply (3.3V) |
| Broche 152 | GND — Ground |
| Broche 153 | A16 — Extended address bit 16 |
| Broche 154 | A17 — Extended address bit 17 |
| Broche 155 | A18 — Extended address bit 18 |
| Broche 156 | A19 — Extended address bit 19 |
| Broche 157 | A20 — Extended address bit 20 |
| Broche 158 | A21 — Extended address bit 21 |
| Broche 159 | A22 — Extended address bit 22 |
| Broche 160 | A23 — Extended address bit 23 (MSB) |
| Broche 161 | GND — Ground |
| Broche 162 | VDD — Power supply (core) |
| Broche 163 | GND — Ground |
| Broche 164 | VDD — Power supply (core) |
| Broche 165 | GND — Ground |
| Broche 166 | VDDIO — I/O supply (3.3V) |
| Broche 167 | GND — Ground |
| Broche 168 | VDDIO — I/O supply (3.3V) |
| Broche 169 | GND — Ground |
| Broche 170 | VDDIO — I/O supply (3.3V) |
| Broche 171 | GND — Ground |
| Broche 172 | VDDIO — I/O supply (3.3V) |
| Broche 173 | GND — Ground |
| Broche 174 | VDDIO — I/O supply (3.3V) |
| Broche 175 | GND — Ground |
| Broche 176 | VDDIO — I/O supply (3.3V) |
| Broche 177 | GND — Ground |
| Broche 178 | VDDIO — I/O supply (3.3V) |
| Broche 179 | PD0 — Port D bit 0 |
| Broche 180 | PD1 — Port D bit 1 |
| Broche 181 | PD2 — Port D bit 2 |
| Broche 182 | PD3 — Port D bit 3 |
| Broche 183 | PD4 — Port D bit 4 |
| Broche 184 | PD5 — Port D bit 5 |
| Broche 185 | PD6 — Port D bit 6 |
| Broche 186 | PD7 — Port D bit 7 |
| Broche 187 | PD8 — Port D bit 8 |
| Broche 188 | PD9 — Port D bit 9 |
| Broche 189 | PD10 — Port D bit 10 |
| Broche 190 | PD11 — Port D bit 11 |
| Broche 191 | PD12 — Port D bit 12 |
| Broche 192 | PD13 — Port D bit 13 |
| Broche 193 | PD14 — Port D bit 14 |
| Broche 194 | PD15 — Port D bit 15 |
| Broche 195 | GND — Ground |
| Broche 196 | VDDIO — I/O supply (3.3V) |
| Broche 197 | GND — Ground |
| Broche 198 | VDDIO — I/O supply (3.3V) |
| Broche 199 | GND — Ground |
| Broche 200 | VDDIO — I/O supply (3.3V) |
| Broche 201 | GND — Ground |
| Broche 202 | VDDIO — I/O supply (3.3V) |
| Broche 203 | GND — Ground |
| Broche 204 | VDDIO — I/O supply (3.3V) |
| Broche 205 | GND — Ground |
| Broche 206 | VDDIO — I/O supply (3.3V) |
| Broche 207 | GND — Ground |
| Broche 208 | VDDIO — I/O supply (3.3V) |
Applications typiques
DSP56301PW100 convient pour 6 applications: Audio Processing and Effects, Speech Codecs and VoIP Front-End, Telephony and Modem Baseband, Video Conferencing Front-End, Cellular Base Station Channel Card, Industrial Control Loops.
Audio Processing and Effects
The DSP56301PW100's 24-bit datapath (about 144 dB dynamic range) and 100 MMACS throughput make it ideal for pro-audio effects units, mixers, and equalisers where high dynamic range and deterministic DSP performance are mandatory. In a typical topology the SSI port streams audio I/O to codecs such as the AK4528 or CS4272 while the core executes biquad cascades and FIR filters using the dual X/Y memories without precision loss. Compared with a 16-bit DSP, the 24-bit path avoids intermediate overflow in long FIRs and FFTs, simplifying algorithm design. Heatsinking is not required at audio clock rates, and the industrial temperature grade supports installation in live-sound consoles and broadcast gear.
Recommandé
Speech Codecs and VoIP Front-End
For speech codecs (G.729, G.723.1, MELP) and VoIP front-end processing, the DSP56301PW100 delivers enough MIPS to handle multiple channels at 8 kHz sample rate alongside echo cancellation. Its SCI enables connection to a host Ethernet controller for packet I/O, while the Host Interface allows shared-memory hand-off with a microcontroller running the IP stack. The 24-bit datapath preserves precision for adaptive filters in echo cancellers, where coefficient drift on a 16-bit path causes audible artefacts. Channel density of 4-8 simultaneous voice channels per device is realistic at 100 MMACS, suiting small PBX and IP-phone designs.
Recommandé
Telephony and Modem Baseband
Originally designed into V.32bis/V.34/V.90 modems, the DSP56301PW100 still fits modem and telephony baseband cards where its deterministic instruction timing and Host Interface simplify PC-card or set-top box integration. The triple timer generates precise DTE rates and frame clocks without software jitter, while the SSI ports to the analogue front-end. Designers porting legacy modem code will find the DSP56301 instruction set identical across the family, easing migration to the DSP56311 at 150 MHz. The part is widely seen in legacy telecom infrastructure for protocol stack maintenance.
Recommandé
Video Conferencing Front-End
Video conferencing terminals require echo cancellation, noise suppression, and audio compression - exactly the workload the DSP56301PW100 was designed for in the late 1990s NXP/Freescale reference designs. Typically paired with a host codec ASIC or DSP, it runs the audio path while the host handles H.26x video. The Host Interface supports DMA-style double-buffering for low-latency audio, and the industrial temperature grade allows operation in conference room equipment. With 100 MMACS available, designers can run G.168-compliant echo cancellers at 32-48 ms tail length comfortably.
Recommandé
Cellular Base Station Channel Card
Although superseded for greenfield 3G/4G designs, the DSP56301PW100 remains viable for maintenance and expansion of legacy GSM channel cards where timing determinism and DSP56300 codebases are already deployed. Its 100 MMACS of throughput channels 8-16 full-rate GSM traffic channels per device with voice-band processing, signalling demodulation, and channel equalisation. The Host Interface eases hand-off to a backplane controller, and the triple timer generates the TDMA frame clock. Designers of maintenance spares should verify NXP last-time-buy dates and stock at distributors before committing to extended support.
Recommandé
Industrial Control Loops
The deterministic timing and rich timer resources of the DSP56301PW100 make it a strong fit for industrial control loops running PID, state-space, or Kalman filters at fixed sample rates. Three independent timers let the DSP handle multiple control loops simultaneously - common in multi-axis motor control and process control - while the SSI ports to ADC and DAC peripherals. The industrial temperature grade suits factory-floor enclosures, and the JTAG/OnCE port simplifies in-circuit debug during commissioning. Real-time closed-loop periods under 10 microseconds are achievable thanks to single-cycle MAC operation.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSP56301PW100 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSP56303AG100 | DSP56311VF150R2 | DSP56311VL150 | DSP56311VL150R2 |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 208-LQFP (28x28 mm) | 208-LQFP family - same footprint | 208-LQFP family - same footprint | 208-LQFP family - same footprint | 208-LQFP family - same footprint |
| Part Family | DSP56300 | DSP56300 | DSP56300 / Symphony DSP56K | DSP56300 / Symphony DSP56K | DSP56300 / Symphony DSP56K |
| Clock Rate | 100 MHz | 100 MHz | 150 MHz | 150 MHz | 150 MHz |
| Performance | 100 MMACS | 100 MMACS | 150 MMACS | 150 MMACS | 150 MMACS |
| Data Word Width | 24-bit fixed point | 24-bit fixed point | 24-bit fixed point | 24-bit fixed point | 24-bit fixed point |
| Host Interface | Yes (HI) | Yes (HI) | Yes (HI) | Yes (HI) | Yes (HI) |
| Enhanced Filter Coprocessor (EFCOP) | No | No | Yes | Yes | Yes |
| Lifecycle Status | Last-time-buy (mature) | Obsolete (per Octopart) | Obsolete (per Octopart) | Obsolete (per Octopart) | Obsolete (per Octopart) |
Principaux différenciateurs
- Mature, drop-in-supported DSP56300 member (vs DSP320C10)
- Family-level pin compatibility with higher-speed DSP56311 (vs DSP56311VL150)
- Same family as DSP56303AG100 with extra memory (vs DSP56303AG100)
Notes de conception
Estimated: the DSP56301PW100 requires separate core (VDD) and I/O (VDDIO=3.3V) supplies; place 0.1uF ceramic decoupling capacitors within 5mm of each VDD/VDDIO pin pair, plus a bulk 10-47uF tantalum or polymer capacitor on each rail. The 208-LQFP has approximately 25 VDD pins and 35 GND pins distributed around the perimeter - tie ALL of them to their respective planes with at least 0.5mm-wide traces or vias directly to internal power/ground planes. Power sequencing: bring up the I/O supply before the core supply, or use a supply supervisor to avoid latch-up during hot-plug events.
The 208-LQFP package at 28x28 mm has a 0.5 mm lead pitch. Use 4-layer PCB with continuous ground and power planes beneath the device for low-impedance return paths and SSI/SCI signal integrity. Route the 24-bit external data bus D[23:0] and address bus A[23:0] with matched length matching within approximately 10 mm to preserve bus timing at 100 MHz. Place SSI, SCI, JTAG, and Host Interface signals on inner layers adjacent to the device to avoid stubs. Include a 4-layer impedance-controlled stack-up for reliable 100 MHz operation - estimated: microstrip impedance of 50 ohms requires approximately 0.20 mm trace width on 0.20 mm prepreg over a solid ground plane (verify with your stack-up manufacturer).
The DSP56301PW100 has separate X-data and Y-data memory buses - leaving the Y memory under-utilised wastes up to half the available memory bandwidth. A frequent issue is incorrect JTAG connection: TCK, TMS, TDI, TDO, and TRST must each be tied through a 10-100k pull-up to VDDIO if unused, otherwise the device may enter unknown states on reset. The PLL filter capacitor on PCAP must be a low-leakage NP0/C0G part - using X7R or Y5V will cause PLL jitter and increased cycle-to-cycle timing variation. Always assert RESET for at least 100 ms after both supplies are stable to guarantee proper initialisation.
Estimated: at 100 MHz in a 208-LQFP package, the DSP56301PW100 dissipates approximately 0.5-1.0W depending on peripheral activity. Use the package theta_JA figure of approximately 25-30 C/W (with adequate copper planes and airflow) to estimate junction temperature. Derate by at least 50% for industrial temperature grade designs to ensure margin at the upper end (-40C to +85C). Add thermal vias under the exposed pad area (and within the ground/power plane grid) to spread heat into inner planes. For sealed enclosures, verify worst-case temperature rise with a thermocouple on the package top during characterisation.
Informations de conformité
RoHS, REACH, lead-free and conflict-mineral status for the DSP56301PW100 were not present in the verified distributor listings. The Vyrian listing identifies the package as LFQFP with gull-wing terminals, suggesting a fine-pitch QFP construction, but does not state a material finish. Confirm RoHS compliance and the lead-free (Pb-free) finish with NXP's product change notification or a current manufacturer material declaration before placing orders for RoHS-required designs. AEC-Q100 does not apply: this is a digital signal processor for industrial/commercial DSP, not an automotive-qualified part. The part is listed as obsolete by Octopart but remains stocked at multiple distributors as of October 2026.
