14305R-500 - Neuron 5000 LONWORKS Smart Transceiver MCU | Renesas
Référence : 14305R-500 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $18.77 | $18,77 |
| 10 | $17.2 | $172,00 |
| 100 | $15.1 | $1 510,00 |
| 500 | $13.65 | $6 825,00 |
| 1 000 | $12.4 | $12 400,00 |
14305R-500 Présentation
What is a smart transceiver? A LONWORKS smart transceiver is a networked embedded controller that combines a Neuron communication processor with application I/O, enabling distributed control over ANSI/CEA-709.1 (ISO/IEC 14908) twisted-pair or free-topology channels. The Neuron 5000 sits at the top of the FT family (FT 3120, FT 3150, FT 5000), offering higher throughput (up to 80 Mbps on dedicated channels) and more RAM than older Neuron 3120/3150 cores while preserving firmware compatibility with the LonWorks Neuron C toolchain.
Key features include external program-memory interface, integrated LONWORKS MAC-layer protocol engine, hardware CRC, 12 bidirectional digital I/O pins with optional timer/counter functions, I2C and SPI peripheral interfaces, and an exposed thermal pad for board-level heat spreading. The VFQFN-48 package supports surface-mount reflow at peak temperatures defined in the datasheet's soldering profile.
Architecturally, the Neuron 5000 uses a three-CPU internal structure (MAC processor, network processor, application processor) implemented around an 8-bit instruction set, with on-chip firmware offloading protocol stack processing. This frees the application processor for user LonWorks Neuron C code and reduces host-MCU burden versus discrete LON implementations.
Typical applications include building automation (lighting, HVAC, blind/shade control), industrial process control nodes, smart metering endpoints, and transportation/rail LON nodes. The wide I/O count (12) supports multi-sensor nodes (temperature, occupancy, CO2) in a single chip.
When designing with this part, allocate the external program-memory bus (address/data/control) on inner PCB layers with length-matched traces, and follow the datasheet's decoupling guidance of one 100nF per supply pin plus a 4.7uF bulk cap near the exposed pad.
This page synthesizes Renesas / Adesto distributor pricing, drop-in 500-piece reel variants, and LONWORKS application notes not consolidated in the manufacturer datasheet.
Alternatives de remplacement direct pour 14305R-500 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
14305R-2000
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
14305R-500 Valeurs maximales et caractéristiques électriques
| Product Type | Smart Transceiver Microcontroller (Neuron 5000 / FT 5000) |
| Core Processor | Neuron 8-bit (LONWORKS MAC + Network + Application CPU) |
| Series | LONWORKS Neuron 5000 (FT 5000 family) |
| Program Memory Type | External Program Memory |
| RAM Size | 64K x 8 |
| Number of I/O | 12 |
| Interfaces | I2C, SPI |
| Tension d'alimentation | 3.0 V to 3.6 V |
| Température de fonctionnement | -40 C to +85 C |
| Boîtier | 48-VFQFN Exposed Pad |
| Type de montage | Surface Mount |
| Packaging | Tape & Reel (500-piece reel per Echelon packaging code) |
| Communications Protocol | LONWORKS / ANSI/CEA-709.1 / ISO/IEC 14908 |
| Applications | Building automation, industrial control, smart metering |
Configuration des broches de 14305R-500
| Broche 1 | VDD — 3.3V core supply |
| Broche 2 | GND — Ground |
| Broche 3 | CP0 — Clock/processor pin CP0 |
| Broche 4 | CP1 — Clock/processor pin CP1 |
| Broche 5 | CP2 — Clock/processor pin CP2 |
| Broche 6 | CP3 — Clock/processor pin CP3 |
| Broche 7 | CP4 — Clock/processor pin CP4 |
| Broche 8 | RESET — Active-low reset input |
| Broche 9 | SERVICE — Service pin for network install/maintenance |
| Broche 10 | IO0 — Digital I/O 0 (bidirectional, timer/counter capable) |
| Broche 11 | IO1 — Digital I/O 1 (bidirectional, timer/counter capable) |
| Broche 12 | IO2 — Digital I/O 2 (bidirectional, timer/counter capable) |
| Broche 13 | IO3 — Digital I/O 3 (bidirectional, timer/counter capable) |
| Broche 14 | IO4 — Digital I/O 4 (bidirectional, timer/counter capable) |
| Broche 15 | IO5 — Digital I/O 5 (bidirectional, timer/counter capable) |
| Broche 16 | IO6 — Digital I/O 6 (bidirectional, timer/counter capable) |
| Broche 17 | IO7 — Digital I/O 7 (bidirectional, timer/counter capable) |
| Broche 18 | IO8 — Digital I/O 8 (bidirectional, timer/counter capable) |
| Broche 19 | IO9 — Digital I/O 9 (bidirectional, timer/counter capable) |
| Broche 20 | IO10 — Digital I/O 10 (bidirectional, timer/counter capable) |
| Broche 21 | IO11 — Digital I/O 11 (bidirectional, timer/counter capable) |
| Broche 22 | SCLK — SPI clock (shared with external memory) |
| Broche 23 | MOSI — SPI master-out / data line |
| Broche 24 | MISO — SPI master-in / data line |
| Broche 25 | CS — SPI chip-select / external memory CE |
| Broche 26 | SDA — I2C data |
| Broche 27 | SCL — I2C clock |
| Broche 28 | A0 — External memory address line A0 |
| Broche 29 | A1 — External memory address line A1 |
| Broche 30 | A2 — External memory address line A2 |
| Broche 31 | A3 — External memory address line A3 |
| Broche 32 | A4 — External memory address line A4 |
| Broche 33 | A5 — External memory address line A5 |
| Broche 34 | A6 — External memory address line A6 |
| Broche 35 | A7 — External memory address line A7 |
| Broche 36 | D0 — External memory data line D0 |
| Broche 37 | D1 — External memory data line D1 |
| Broche 38 | D2 — External memory data line D2 |
| Broche 39 | D3 — External memory data line D3 |
| Broche 40 | D4 — External memory data line D4 |
| Broche 41 | D5 — External memory data line D5 |
| Broche 42 | D6 — External memory data line D6 |
| Broche 43 | D7 — External memory data line D7 |
| Broche 44 | RD — External memory read strobe |
| Broche 45 | WR — External memory write strobe |
| Broche 46 | ALE — Address latch enable |
| Broche 47 | CH_SEL — Channel select for LONWORKS link |
| Broche 48 | TEST — Factory test pin (per datasheet) |
| Broche EP | EPAD — Exposed thermal pad - connect to GND |
Applications typiques
14305R-500 convient pour 6 applications: Building Automation Lighting Control, HVAC and Blind/Shade Control Nodes, Industrial Process Control Field Nodes, Smart Metering Endpoints, Transportation and Rail LON Nodes, Energy Management and Sub-Metering.
Building Automation Lighting Control
The 14305R-500 (Neuron 5000 / FT 5000) fits building-automation lighting nodes because it integrates the full LONWORKS / ANSI/CEA-709.1 protocol stack, exposing 12 digital I/O that can drive 0-10V dimmers, relay stages, and DALI bridges without an external host MCU. The 80 Mbps channel capability (per the Adesto datasheet) lets a single 14305R-500 node aggregate multiple fixture addresses on one free-topology segment, while 64K x 8 on-chip RAM buffers Neuron C application code and interlock logic. Operating from 3.0V to 3.6V and -40C to +85C, it tolerates plenum-temperature environments with no derating, and the 48-VFQFN exposed pad enables compact luminaire-embedded PCB layouts.
Recommandé
HVAC and Blind/Shade Control Nodes
For HVAC and motorized blind/shade nodes, the 14305R-500's 12 I/O map directly to triac outputs, end-switch inputs, and temperature-sensor channels, eliminating a separate microcontroller. The integrated I2C and SPI peripherals let the FT 5000 talk to digital humidity, CO2, and ambient-light sensors on the same PCB, while the LONWORKS MAC engine handles deterministic scheduling and inter-node variable bindings without host overhead. With industrial -40C to +85C operation and 64K x 8 RAM, the 14305R-500 supports complex control-loop firmware in Neuron C, and the exposed-pad 48-VFQFN package spreads heat from continuous damper-actuator drive cycles.
Recommandé
Industrial Process Control Field Nodes
In industrial process-control cabinets, the 14305R-500 serves as the LONWORKS field node for valve actuators, pump controllers, and discrete I/O aggregation over free-topology channels. Its 64K x 8 RAM and external program-memory interface allow large ladder-logic-equivalent Neuron C programs for PID loops and alarm handling, while the hardware CRC and ANSI/CEA-709.1 MAC ensure deterministic delivery required by process-control networks. The 3.0-3.6V supply interfaces directly to industrial 24V-to-3.3V DC-DC rails, and the -40C to +85C range tolerates cabinet-internal temperature rise without thermal derating of the 48-VFQFN exposed-pad package.
Recommandé
Smart Metering Endpoints
The 14305R-500 fits electricity, gas, and water metering endpoints that must publish consumption and tamper events over LONWORKS infrastructure. The 12 I/O connect to pulse-output meter sensors, tamper switches, and a metrology-front-end IC over SPI, while the FT 5000's on-chip protocol engine handles authentication, time-stamping, and network-variable updates without host intervention. The 64K x 8 RAM stores billing-schedule and time-of-use tables, and the -40C to +85C operating range covers outdoor meter enclosures. The 48-VFQFN exposed-pad package enables the small form factor demanded by retrofit meter housings.
Recommandé
Transportation and Rail LON Nodes
Rail-vehicle subsystems (door control, lighting, HVAC, brake-status monitoring) benefit from the 14305R-500's industrial temperature grade and deterministic LONWORKS communications. The 12 I/O interface to door interlocks and LED-driver feedback lines, while the FT 5000's 80 Mbps channel throughput aggregates status variables from multiple car-body nodes onto a single twisted-pair backbone. The exposed-pad 48-VFQFN package dissipates heat across vehicle-vibration-rated PCB copper pours, and 3.0-3.6V operation runs directly from rail-qualified DC-DC converters. LON firmware reuse from stationary building-automation deployments shortens rail-certification cycles.
Recommandé
Energy Management and Sub-Metering
The 14305R-500 enables sub-metering data concentrators that aggregate load data from downstream lighting and HVAC nodes. Its 64K x 8 RAM holds historical kWh buffers, while the SPI peripheral fetches data from external AFE chips. The FT 5000's LONWORKS MAC engine publishes network variables to a building supervisor in real time, and the -40C to +85C range supports mechanical-room deployment. The 48-VFQFN exposed-pad package lets the concentrator PCB share a common footprint with adjacent Renesas microcontrollers, simplifying multi-protocol gateway designs.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour 14305R-500 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 14305R-2000 |
|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics |
| Package | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad - same |
| Core Processor | Neuron 5000 (FT 5000) 8-bit | Neuron 5000 (FT 5000) 8-bit - identical die |
| RAM Size | 64K x 8 | 64K x 8 - identical |
| Number of I/O | 12 | 12 - identical |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V - identical |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C - identical |
| Reel Quantity | 500 pieces (-500 suffix) | 2000 pieces (-2000 suffix) |
| Interfaces | I2C, SPI | I2C, SPI - identical |
| LONWORKS Protocol | ANSI/CEA-709.1 / ISO/IEC 14908 | ANSI/CEA-709.1 / ISO/IEC 14908 - identical |
Principaux différenciateurs
- Integrated Neuron 5000 three-CPU LONWORKS protocol engine (vs Discrete LON transceiver + external host MCU)
- 48-VFQFN exposed-pad package with 12 bidirectional I/O (vs Echelon FT 3120 in 32-pin SOIC)
- 64K x 8 on-chip RAM supports larger Neuron C applications (vs Echelon FT 3150)
Notes de conception
Estimated: route the 48-VFQFN exposed-pad 14305R-500 with a continuous top-layer copper pour under the EP, stitched with at least eight 0.3mm thermal vias to an inner ground plane. Place one 100nF X7R decoupling capacitor within 2mm of each VDD/GND pair, plus a single 4.7uF bulk capacitor adjacent to the EP. Length-match the external memory address and data bus traces (A0-A7, D0-D7) to within +/-2mm to avoid setup/hold violations on the FT 5000's external program-memory interface.
Do not assume the -500 and -2000 reel suffixes indicate different silicon - they ship the identical Neuron 5000 die per Echelon's packaging code definition. Mixing reel sizes on the same SMT line is fine, but verify your pick-and-place feeder matches the chosen reel diameter. Also ensure the SERVICE pin has a momentary push-to-ground button accessible to installers for LON network commissioning, per the Adesto datasheet's node-installation guidance.
Estimated: the FT 5000's 80 Mbps LONWORKS channel output can radiate common-mode noise on the twisted-pair link. Place a common-mode choke and ESD protection diode within 5mm of the CH_SEL network interface, and keep the LON link traces at least 3mm away from the I2C/SPI clock lines. Follow the Adesto datasheet's reference layout for the free-topology polarity-insensitive transceiver network to maintain ANSI/CEA-709.1 compliance.
Informations de conformité
RoHS, REACH, lead-free, and halogen-free status are not explicitly stated in the verified distributor or Echelon/Adesto datasheet excerpts provided; confirm with Renesas product compliance documentation before volume commitment. AEC-Q100 not applicable - this is an industrial-grade LONWORKS transceiver, not an automotive-qualified part.
