CY8C3666AXI-200 - 67MHz 64KB PSoC MCU | Infineon
Référence : CY8C3666AXI-200 ✓ ActifCY8C3666AXI-200 Présentation
A programmable system-on-chip, or PSoC, is a mixed-signal microcontroller architecture that combines a CPU, programmable digital and analog peripherals, memory, and configurable signal-processing resources on one integrated circuit. The CY8C3666 belongs to the PSoC 3 family and retains the familiar 8051 instruction architecture while adding dedicated networking and control blocks. In the hierarchy, it is a microcontroller, mixed-signal IC, and embedded processor rather than a general-purpose application processor.
The verified device data identifies 64 KB of flash, 8 KB of SRAM, a maximum operating frequency of 67 MHz, dual datapointers, 27 interrupt sources with eight priority levels, and eight parallel access paths through its Peripheral Hub Unit. Additional memory resources include four flash protection levels, 2 KB of data EEPROM, and 8 KB of ECC flash. These resources support moderate protocol stacks, state-machine control, data logging, and connected embedded products without requiring external memory.
CAN and LIN connectivity make the CY8C3666AXI-200 especially relevant to automotive and industrial networks. CAN supports higher-bandwidth, multi-node communication, while LIN addresses lower-cost, lower-bandwidth vehicle sub-networks. Dedicated timers and PWM resources support motor, lighting, actuator, and general timing functions. The combination allows designers to consolidate control, communication, and peripheral functions into a single 100-pin TQFP device.
Typical uses include automotive body and gateway controllers, CAN-to-LIN network nodes, industrial sensor hubs, building-control equipment, motor-control subsystems, and compact consumer-control boards. Designers should verify every pin, peripheral mapping, clock configuration, transceiver interface, and electrical limit against the manufacturer datasheet before production release. Software and peripheral assignments should also be validated with the supported PSoC development environment.
The principal design consideration is package allocation: the 100-pin TQFP exposes many I/O and peripheral resources, but every assigned function must comply with the published pin-mux and electrical characteristics. This page combines verified device specifications, sourced availability references, same-family substitution findings, package information, and practical engineering guidance to support design review and procurement.
Alternatives de remplacement direct pour CY8C3666AXI-200 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Aucune alternative de remplacement direct disponible pour ce produit.
Demander des alternativesCY8C3666AXI-200 Valeurs maximales et caractéristiques électriques
| Product Type | 8-bit programmable system-on-chip microcontroller (PSoC) |
| CPU Architecture | 8051-compatible single-core CISC |
| Maximum Operating Frequency | 67 MHz |
| Flash Memory | 64 KB |
| SRAM | 8 KB |
| Data EEPROM | 2 KB |
| ECC Flash | 8 KB |
| Supply Voltage Options | 2.5 V, 3.3 V, and 5 V |
| Networking Interfaces | CAN and LIN |
| Timer and PWM Support | Dedicated timer/PWM control |
| Datapointers | 2 |
| Interrupt Sources | 27 |
| Interrupt Priority Levels | 8 |
| Peripheral Hub Unit | 1 PHub with 8 parallel access paths |
| Flash Protection Levels | 4 |
| Boîtier | 100-pin TQFP |
| Type de montage | Surface Mount |
| Production Status | In Production |
| RoHS Support | Supported |
Guide de configuration des broches du CY8C3666AXI-200 100-pin tqfp
Configuration des broches du CY8C3666AXI-200 (boîtier 100-pin tqfp). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour CY8C3666AXI-200.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
CY8C3666AXI-200 convient pour 6 applications: Automotive CAN Gateway Controller, CAN-to-LIN Network Bridge, Industrial Sensor Hub, Motor and Actuator Control, Building and Access Control, Consumer Control and Appliance Interface.
Automotive CAN Gateway Controller
The CY8C3666AXI-200 fits an automotive gateway or body-control node because its 8051-compatible core operates up to 67 MHz and the device includes CAN and LIN networking alongside 64 KB of flash and 8 KB of SRAM. It can coordinate messages between CAN and LIN sub-networks while using timers and PWM resources for local loads. The architecture permits protocol handling and embedded control in one component, reducing the need for separate communication and logic devices. The implementation should allocate CAN and LIN to their documented pins, provide suitable external transceivers, and validate bus timing against the selected network. Because the supplied data does not confirm temperature range or AEC-Q100 status, vehicle-production use requires qualification review.
Recommandé
CAN-to-LIN Network Bridge
A CAN-to-LIN bridge benefits from the CY8C3666AXI-200 because the same 8051-based device combines CAN and LIN interfaces, a 67 MHz operating speed, 64 KB of flash, and 8 KB of SRAM. Protocol conversion code can coexist with routing tables, diagnostics, and application supervision in one firmware image. The 100-pin TQFP also provides a larger pin count than typical small-package microcontrollers, supporting dedicated communications, control outputs, and debug functions. Implementation must follow the manufacturer’s peripheral-assignment constraints and account for transceiver propagation delay. Firmware should be tested at nominal, minimum, and maximum clock conditions because communication deadlines are sensitive to processing time.
Recommandé
Industrial Sensor Hub
The CY8C3666AXI-200 is suitable for an industrial sensor hub that gathers measurements, applies local processing, and communicates over CAN or LIN. Its 64 KB of flash accommodates firmware and configuration data, while 8 KB of SRAM supports active buffers and protocol state. The 67 MHz 8051-compatible core provides useful compute margin for debouncing, filtering, diagnostics, and data formatting. Dedicated timer and PWM resources can also handle sampling intervals, indicator outputs, or actuator commands. Designers should assign analog measurement functions only to supported pins, provide suitable signal conditioning, and verify the unspecified operating-temperature range before deployment. Production firmware should include fault counters and communication timeouts for robust network behavior.
Recommandé
Motor and Actuator Control
The CY8C3666AXI-200 can serve as the supervisory controller in a motor or actuator subsystem because it combines a 67 MHz 8051-compatible core with timer/PWM control, 64 KB of flash, and 8 KB of SRAM. The MCU can execute control sequencing, monitor position or diagnostic inputs, and manage CAN or LIN command traffic while peripheral timers generate deterministic control waveforms. Its 100-pin TQFP offers numerous externally accessible pins for control signals and communication functions. Accurate timing depends on correct peripheral clocking and pin multiplexing, so the design must follow the manufacturer datasheet. External drivers, protection, and isolation remain necessary where current, voltage, or fault-energy levels exceed the microcontroller’s direct capabilities.
Recommandé
Building and Access Control
The CY8C3666AXI-200 fits building-control and access-control nodes requiring local logic plus network communication. Its CAN or LIN interface can connect supervisory equipment to field modules, while the 64 KB flash stores application firmware and the 8 KB SRAM supports communication buffers. Timer/PWM functions may support indicator control, lock sequencing, or configurable actuator outputs. The 100-pin package provides flexibility for status inputs, communications, and discrete control outputs, although every selected signal must be checked against the official pin-mux table. Firmware should include debounce handling, watchdog strategy, safe-state outputs, and communication recovery because distributed access-control equipment may operate for long periods without physical service.
Recommandé
Consumer Control and Appliance Interface
The CY8C3666AXI-200 can consolidate consumer-control functions that require networking, timers, and moderate embedded processing. The 67 MHz core supports responsive state-machine execution, the 64 KB flash stores control firmware, and the 8 KB SRAM accommodates active protocol and UI data. CAN or LIN can connect the controller to local modules, while timer/PWM outputs can operate indicators, relays, or motor mechanisms. The 100-pin TQFP may be advantageous when a design needs numerous control and status signals, but it also demands careful escape routing and thermal planning. Before release, engineers should verify supply-voltage selection, unused-pin treatment, reset behavior, and the manufacturer’s required support components.
Recommandé
Données de référence d'ingénierie pour CY8C3666AXI-200 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit |
|---|---|
| Package | 100-pin TQFP |
| Brand | Infineon Technologies |
| Product Type | 8-bit PSoC microcontroller |
| CPU Architecture | 8051-compatible single-core CISC |
| Maximum Frequency | 67 MHz |
| Flash Memory | 64 KB |
| SRAM | 8 KB |
| Networking Interfaces | CAN and LIN |
| Supply Voltage Options | 2.5 V, 3.3 V, and 5 V |
| Production Status | In Production |
Principaux différenciateurs
- Integrated dual-network connectivity (vs CY8C3666AXI-036)
- Integrated memory and control resources (vs CY8C3866AXA-040)
- Production-status support (vs Generic cross-brand MCU candidates)
Notes de conception
Route the 100-pin TQFP with careful attention to the manufacturer’s recommended land pattern and exposed or no-connect pin requirements. Place required bypass capacitors and support components close to their associated supply pins, maintain continuous ground return paths, and avoid long return loops beneath clock and communications signals. Because the verified search results do not include the complete pin table, do not assign CAN, LIN, timers, or debug functions until each pin and alternate mapping has been checked against the manufacturer datasheet.
Select the regulator and decoupling arrangement for the exact 2.5 V, 3.3 V, or 5 V operating option, and confirm all digital and communications I/O limits against that supply choice. The 100-pin package contains many externally accessible signals, so unused inputs should be handled according to the datasheet and unused outputs should not be allowed to create unnecessary paths. Validate supply sequencing, reset behavior, and startup current before finalizing the power tree; these details were not present in the supplied search snippets.
Do not treat a family member with a different speed suffix as an automatic drop-in replacement. The identified CY8C3666AXI-036 belongs to the same PSoC 36xxx family, but the verified description associates the target with operation up to 67 MHz and identifies the lower-speed alternative separately. Review clock-dependent timing, communication deadlines, peripheral setup, and validated firmware before substitution. Likewise, do not approve a cross-brand controller unless its package, pinout, electrical limits, memories, and peripherals have been compared directly.
Keep external CAN and LIN transceiver connections and their protection components close to the device pins while preserving short return paths. Isolate communications routing from sensitive control or timing signals where possible, use continuous ground references, and follow the manufacturer’s recommended component placement. Because the verified data does not include the full pinout or application circuit, exact trace widths and component values should be derived from the official datasheet, transceiver requirements, and the target EMC standard rather than from generic guidance.
Informations de conformité
The verified manufacturer datasheet record states RoHS Support. No verified REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statement was supplied, so those fields remain unknown.
