DSP56301PW100 - 24-Bit Fixed-Point DSP 100MHz | NXP
N.º da peça: DSP56301PW100 ⚠ Última compra| Qtd. | Preço unitário | 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 Visão geral
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.
Alternativas drop-in para DSP56301PW100 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com DSP56301PW100 (mesmo formato e footprint) — diferindo em Core Architecture, Data Word Width, Package, Performance, Serial Interfaces.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSP56303AG100
✅ Drop-In✓ Em estoque
$18.9 / unidade
Ver ficha técnica →DSP56311VF150R2
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSP56311VL150
✅ Drop-In✓ Em estoque
$23.4 / unidade
Ver ficha técnica →DSP56311VL150R2
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSP56301PW100 Especificações
| 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 |
| Encapsulamento / Caixa | 208-LQFP (28x28 mm) |
| Tipo de montagem | Surface Mount |
| Terminal Form | GULL WING |
| Operating Temperature Grade | Industrial |
Configuração de pinos do DSP56301PW100
| Pino 1 | GND — Ground |
| Pino 2 | GND — Ground |
| Pino 3 | D0 — Data bus bit 0 (LSB) |
| Pino 4 | D1 — Data bus bit 1 |
| Pino 5 | D2 — Data bus bit 2 |
| Pino 6 | D3 — Data bus bit 3 |
| Pino 7 | D4 — Data bus bit 4 |
| Pino 8 | D5 — Data bus bit 5 |
| Pino 9 | D6 — Data bus bit 6 |
| Pino 10 | D7 — Data bus bit 7 |
| Pino 11 | D8 — Data bus bit 8 |
| Pino 12 | D9 — Data bus bit 9 |
| Pino 13 | D10 — Data bus bit 10 |
| Pino 14 | D11 — Data bus bit 11 |
| Pino 15 | D12 — Data bus bit 12 |
| Pino 16 | D13 — Data bus bit 13 |
| Pino 17 | D14 — Data bus bit 14 |
| Pino 18 | D15 — Data bus bit 15 |
| Pino 19 | D16 — Data bus bit 16 |
| Pino 20 | D17 — Data bus bit 17 |
| Pino 21 | D18 — Data bus bit 18 |
| Pino 22 | D19 — Data bus bit 19 |
| Pino 23 | D20 — Data bus bit 20 |
| Pino 24 | D21 — Data bus bit 21 |
| Pino 25 | D22 — Data bus bit 22 |
| Pino 26 | D23 — Data bus bit 23 (MSB) |
| Pino 27 | VDD — Power supply (core) |
| Pino 28 | GND — Ground |
| Pino 29 | VDDIO — I/O supply (3.3V) |
| Pino 30 | A0 — Address bus bit 0 (LSB) |
| Pino 31 | A1 — Address bus bit 1 |
| Pino 32 | A2 — Address bus bit 2 |
| Pino 33 | A3 — Address bus bit 3 |
| Pino 34 | A4 — Address bus bit 4 |
| Pino 35 | A5 — Address bus bit 5 |
| Pino 36 | A6 — Address bus bit 6 |
| Pino 37 | A7 — Address bus bit 7 |
| Pino 38 | A8 — Address bus bit 8 |
| Pino 39 | A9 — Address bus bit 9 |
| Pino 40 | A10 — Address bus bit 10 |
| Pino 41 | A11 — Address bus bit 11 |
| Pino 42 | A12 — Address bus bit 12 |
| Pino 43 | A13 — Address bus bit 13 |
| Pino 44 | A14 — Address bus bit 14 |
| Pino 45 | A15 — Address bus bit 15 |
| Pino 46 | RD — Read strobe |
| Pino 47 | WR — Write strobe |
| Pino 48 | PS — Program memory select |
| Pino 49 | DS — Data memory select |
| Pino 50 | X/Y — X/Y memory select |
| Pino 51 | BR — Bus request |
| Pino 52 | BG — Bus grant |
| Pino 53 | BB — Bus busy |
| Pino 54 | TA — Transfer acknowledge |
| Pino 55 | IRQA — Interrupt request A |
| Pino 56 | IRQB — Interrupt request B |
| Pino 57 | IRQC — Interrupt request C |
| Pino 58 | IRQD — Interrupt request D |
| Pino 59 | RESET — Reset input (active low) |
| Pino 60 | MODA/IRQA — Mode select A / interrupt A |
| Pino 61 | MODB/IRQB — Mode select B / interrupt B |
| Pino 62 | MODC/IRQC — Mode select C / interrupt C |
| Pino 63 | MODD/IRQD — Mode select D / interrupt D |
| Pino 64 | GND — Ground |
| Pino 65 | VDD — Power supply (core) |
| Pino 66 | VDDIO — I/O supply (3.3V) |
| Pino 67 | GND — Ground |
| Pino 68 | TCK — JTAG test clock |
| Pino 69 | TMS — JTAG test mode select |
| Pino 70 | TDI — JTAG test data input |
| Pino 71 | TDO — JTAG test data output |
| Pino 72 | TRST — JTAG test reset |
| Pino 73 | DE — Debug event |
| Pino 74 | ONCE — On-chip emulation / debug request |
| Pino 75 | SCK0 — SSI0 serial clock |
| Pino 76 | SRD0 — SSI0 receive data |
| Pino 77 | STD0 — SSI0 transmit data |
| Pino 78 | SCK1 — SSI1 serial clock |
| Pino 79 | SRD1 — SSI1 receive data |
| Pino 80 | STD1 — SSI1 transmit data |
| Pino 81 | SC0 — SCI0 clock / Tx data |
| Pino 82 | SD0 — SCI0 receive data |
| Pino 83 | SC1 — SCI1 clock / Tx data |
| Pino 84 | SD1 — SCI1 receive data |
| Pino 85 | HREQ — Host request (HI) |
| Pino 86 | HACK — Host acknowledge (HI) |
| Pino 87 | HRW — Host read/write (HI) |
| Pino 88 | HDS — Host data strobe (HI) |
| Pino 89 | HCS — Host chip select (HI) |
| Pino 90 | HA0 — Host address 0 (HI) |
| Pino 91 | HA1 — Host address 1 (HI) |
| Pino 92 | HA2 — Host address 2 (HI) |
| Pino 93 | HD0 — Host data 0 (HI) |
| Pino 94 | HD1 — Host data 1 (HI) |
| Pino 95 | HD2 — Host data 2 (HI) |
| Pino 96 | HD3 — Host data 3 (HI) |
| Pino 97 | HD4 — Host data 4 (HI) |
| Pino 98 | HD5 — Host data 5 (HI) |
| Pino 99 | HD6 — Host data 6 (HI) |
| Pino 100 | HD7 — Host data 7 (HI) |
| Pino 101 | TIO0 — Timer 0 I/O |
| Pino 102 | TIO1 — Timer 1 I/O |
| Pino 103 | TIO2 — Timer 2 I/O |
| Pino 104 | GND — Ground |
| Pino 105 | VDD — Power supply (core) |
| Pino 106 | VDDIO — I/O supply (3.3V) |
| Pino 107 | PC0 — Port C bit 0 |
| Pino 108 | PC1 — Port C bit 1 |
| Pino 109 | PC2 — Port C bit 2 |
| Pino 110 | PC3 — Port C bit 3 |
| Pino 111 | PC4 — Port C bit 4 |
| Pino 112 | PC5 — Port C bit 5 |
| Pino 113 | PC6 — Port C bit 6 |
| Pino 114 | PC7 — Port C bit 7 |
| Pino 115 | PC8 — Port C bit 8 |
| Pino 116 | PC9 — Port C bit 9 |
| Pino 117 | PC10 — Port C bit 10 |
| Pino 118 | PC11 — Port C bit 11 |
| Pino 119 | PC12 — Port C bit 12 |
| Pino 120 | PC13 — Port C bit 13 |
| Pino 121 | PC14 — Port C bit 14 |
| Pino 122 | PC15 — Port C bit 15 |
| Pino 123 | GND — Ground |
| Pino 124 | VDDIO — I/O supply (3.3V) |
| Pino 125 | GND — Ground |
| Pino 126 | VDDIO — I/O supply (3.3V) |
| Pino 127 | GND — Ground |
| Pino 128 | VDDIO — I/O supply (3.3V) |
| Pino 129 | GND — Ground |
| Pino 130 | VDDIO — I/O supply (3.3V) |
| Pino 131 | GND — Ground |
| Pino 132 | VDDIO — I/O supply (3.3V) |
| Pino 133 | GND — Ground |
| Pino 134 | VDDIO — I/O supply (3.3V) |
| Pino 135 | GND — Ground |
| Pino 136 | VDDIO — I/O supply (3.3V) |
| Pino 137 | EXTAL — External clock/crystal input |
| Pino 138 | XTAL — Crystal output |
| Pino 139 | CLKOUT — Clock output |
| Pino 140 | PCAP — PLL capacitor |
| Pino 141 | GND — Ground |
| Pino 142 | VDD — Power supply (core, PLL) |
| Pino 143 | PINIT — PLL initialization |
| Pino 144 | GND — Ground |
| Pino 145 | PWD — Power-down mode |
| Pino 146 | GND — Ground |
| Pino 147 | D24 — Extended data bit 24 |
| Pino 148 | D25 — Extended data bit 25 |
| Pino 149 | GND — Ground |
| Pino 150 | VDD — Power supply (core) |
| Pino 151 | VDDIO — I/O supply (3.3V) |
| Pino 152 | GND — Ground |
| Pino 153 | A16 — Extended address bit 16 |
| Pino 154 | A17 — Extended address bit 17 |
| Pino 155 | A18 — Extended address bit 18 |
| Pino 156 | A19 — Extended address bit 19 |
| Pino 157 | A20 — Extended address bit 20 |
| Pino 158 | A21 — Extended address bit 21 |
| Pino 159 | A22 — Extended address bit 22 |
| Pino 160 | A23 — Extended address bit 23 (MSB) |
| Pino 161 | GND — Ground |
| Pino 162 | VDD — Power supply (core) |
| Pino 163 | GND — Ground |
| Pino 164 | VDD — Power supply (core) |
| Pino 165 | GND — Ground |
| Pino 166 | VDDIO — I/O supply (3.3V) |
| Pino 167 | GND — Ground |
| Pino 168 | VDDIO — I/O supply (3.3V) |
| Pino 169 | GND — Ground |
| Pino 170 | VDDIO — I/O supply (3.3V) |
| Pino 171 | GND — Ground |
| Pino 172 | VDDIO — I/O supply (3.3V) |
| Pino 173 | GND — Ground |
| Pino 174 | VDDIO — I/O supply (3.3V) |
| Pino 175 | GND — Ground |
| Pino 176 | VDDIO — I/O supply (3.3V) |
| Pino 177 | GND — Ground |
| Pino 178 | VDDIO — I/O supply (3.3V) |
| Pino 179 | PD0 — Port D bit 0 |
| Pino 180 | PD1 — Port D bit 1 |
| Pino 181 | PD2 — Port D bit 2 |
| Pino 182 | PD3 — Port D bit 3 |
| Pino 183 | PD4 — Port D bit 4 |
| Pino 184 | PD5 — Port D bit 5 |
| Pino 185 | PD6 — Port D bit 6 |
| Pino 186 | PD7 — Port D bit 7 |
| Pino 187 | PD8 — Port D bit 8 |
| Pino 188 | PD9 — Port D bit 9 |
| Pino 189 | PD10 — Port D bit 10 |
| Pino 190 | PD11 — Port D bit 11 |
| Pino 191 | PD12 — Port D bit 12 |
| Pino 192 | PD13 — Port D bit 13 |
| Pino 193 | PD14 — Port D bit 14 |
| Pino 194 | PD15 — Port D bit 15 |
| Pino 195 | GND — Ground |
| Pino 196 | VDDIO — I/O supply (3.3V) |
| Pino 197 | GND — Ground |
| Pino 198 | VDDIO — I/O supply (3.3V) |
| Pino 199 | GND — Ground |
| Pino 200 | VDDIO — I/O supply (3.3V) |
| Pino 201 | GND — Ground |
| Pino 202 | VDDIO — I/O supply (3.3V) |
| Pino 203 | GND — Ground |
| Pino 204 | VDDIO — I/O supply (3.3V) |
| Pino 205 | GND — Ground |
| Pino 206 | VDDIO — I/O supply (3.3V) |
| Pino 207 | GND — Ground |
| Pino 208 | VDDIO — I/O supply (3.3V) |
Aplicações típicas
DSP56301PW100 é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSP56301PW100 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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) |
Principais diferenciais
- 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)
Notas de projeto
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.
Informações de conformidade
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.
