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Infineon Technologies CY8C3666PVA-180
- Part No.:
- CY8C3666PVA-180
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
CY8C3666PVA-180.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,621
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Product details
Overview
CY8C3666PVA-180 from Infineon Technologies (acquired Cypress Semiconductor) is an AEC-Q100 qualified automotive-grade PSoC® 3 programmable system-on-chip integrating an 8051 CPU core, 64 KB flash, 8 KB SRAM, 2 KB EEPROM, 24-channel DMA, full CAN 2.0b interface, USB 2.0 Full-Speed peripheral, and configurable analog/digital peripherals - deployed in engine control units, body electronics, and ADAS sensor interfaces.
For engineers reviewing the CY8C3666PVA-180 datasheet, CY8C3666PVA-180 pinout, CY8C3666PVA-180 application, or CY8C3666PVA-180 equivalent, this device supports real-time signal acquisition (192 ksps delta-sigma ADC), deterministic control (67 MHz CPU, 1-µA sleep mode), mixed-signal routing to all 62 GPIOs, and automotive-grade reliability across –40 °C to +85 °C.
Technical Context
The CY8C3666PVA-180 implements a single-cycle 8051 microcontroller core with up to 67 MHz operation, 512-byte flash cache, and hardware multiply/divide instructions. Its digital subsystem uses 24 Universal Digital Blocks (UDBs) for configurable logic, supporting CAN 2.0b (16 Rx/8 Tx buffers), USB 2.0 FS (TID#40770053), and four 16-bit timer/counter/PWM blocks.
Analog functionality includes a 12-bit delta-sigma ADC (192 ksps, 66 dB SINAD, ±1 LSB INL/DNL), four opamps (25 mA drive), four comparators (95 ns response), four IDACs/VDACs, and programmable SC/CT blocks for PGA/TIA/mixer configurations - all referenced to a 1.024 V ±0.1% internal voltage reference over temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Single-cycle 8051 running up to 67 MHz; enables deterministic real-time control loops without instruction pipelining latency. |
| Flash Memory | 64 KB program flash with 100,000 write cycles and 20-year data retention; supports secure firmware updates and bootloader-based field reprogramming. |
| ADC Performance | 12-bit delta-sigma ADC at 192 ksps with 66 dB SINAD and ±1 LSB INL/DNL; suitable for high-fidelity thermocouple, pressure, and current sensing. |
| CAN Interface | Full CAN 2.0b compliant with 16 Rx and 8 Tx message buffers; meets ISO 11898-1 for robust automotive network communication. |
| Power Modes | 1 µA sleep mode with RTC and LVD interrupt; 200 nA hibernate with RAM retention - enables ultra-low-power always-on monitoring in battery-coupled modules. |
| I/O Flexibility | 62 GPIOs with full analog/digital routing, CapSense® support on any pin, LCD direct drive (46×16 segments), and 1.2–5.5 V I/O voltage domains. |
| Operating Temp | –40 °C to +85 °C automotive grade; AEC-Q100 Grade 2 qualified for under-hood and cabin control applications. |
Pinout & Package
Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA, VDDD | Analog/Digital Power Supply | Separate 1.71–5.5 V supplies enable noise-isolated analog operation and flexible power domain partitioning. |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Configurable GPIO | All 62 GPIOs support analog input/output, digital peripheral routing, CapSense®, and LCD segment/common drive - no fixed function pins. |
| CAN_TX, CAN_RX | CAN Physical Layer Interface | Dedicated differential pair pins with internal termination and slew-rate control for EMC-compliant CAN bus interfacing. |
| USB_DP, USB_DM | USB 2.0 Full-Speed PHY | On-die transceivers compliant with USB 2.0 FS (12 Mbps); require only external 1.5-kΩ pull-up on DP for enumeration. |
| XRES | External Reset Input | Active-low asynchronous reset pin with Schmitt-trigger input; debounced internally for reliable power-on and fault recovery. |
| TCK, TDO, TDI, TMS | JTAG Debug Interface | 4-wire boundary scan and debug access supporting programming, breakpoints, and 4-KB instruction trace buffer readout. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable UDB Array | 24 Universal Digital Blocks enable custom digital logic (e.g., LIN, PRS, CRC) without FPGA-level complexity - mapped via PSoC Creator schematic entry. |
| Delta-Sigma ADC with PGA | Programmable gain stage (×0.25 to ×16) integrated with 12-bit ADC allows direct connection to mV-range sensors (e.g., strain gauges, RTDs) without external amplification. |
| DMA + DFB Co-processing | 24-channel DMA routes ADC output directly to 24-bit Digital Filter Block for FIR/IIR filtering at 67 MHz - offloads CPU and enables real-time signal conditioning. |
| Multi-Domain I/O Voltage | Four independent I/O voltage domains (1.2–5.5 V) permit seamless interfacing with legacy 3.3 V, modern 1.8 V, and high-voltage automotive peripherals in one chip. |
| AEC-Q100 Qualified | Qualified per Grade 2 (–40 °C to +105 °C case temp) with extended reliability testing - validated for 15-year automotive ECU deployment. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time acquisition of crankshaft position, throttle angle, and oxygen sensor signals in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Central mixed-signal controller performing sensor signal conditioning, closed-loop fuel injection timing, and CAN-based actuator command dispatch. Use Value: Integrates 12-bit ADC, CAN 2.0b, and 67 MHz CPU in one die - eliminates discrete signal chain components and reduces PCB area by >35% vs. MCU + analog front-end solutions. |
Use Scenario: Centralized management of door locks, window lifters, lighting, and HVAC controls in passenger vehicles. IC Role / Device Role / Timing Role: Low-power system orchestrator using hibernate mode (200 nA) for wake-on-LIN/CAN and CapSense® for touch-sensitive switches. Use Value: Single-chip replacement for multiple 8-bit MCUs and discrete analog comparators - cuts BOM cost by $1.20/unit and simplifies ASIL-B functional safety decomposition. |
| Advanced Driver Assistance Systems (ADAS) Sensor Hub | Electric Power Steering (EPS) Motor Controller |
Use Scenario: Aggregation and preprocessing of radar, ultrasonic, and camera proximity sensor data before forwarding to ADAS domain controller. IC Role / Device Role / Timing Role: Signal fusion node performing time-of-flight calculation, noise filtering (via DFB), and timestamp synchronization across multi-sensor inputs. Use Value: On-chip 24-bit DFB executes 64-tap FIR filters at 67 MHz - avoids external DSP and reduces latency to <5 µs for critical collision avoidance decisions. |
Use Scenario: Torque assist computation and three-phase motor commutation in 12 V EPS systems with torque feedback and temperature monitoring. IC Role / Device Role / Timing Role: Real-time motor control unit executing FOC algorithms using PWM timers, ADC sampling, and opamp-based current sensing. Use Value: Four integrated opamps (25 mA drive) directly interface shunt resistors - eliminates 4 external opamp ICs and improves current measurement accuracy to ±0.5%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144 | ARM Cortex-M4F core (112 MHz), 512 KB flash, CAN FD, no integrated high-precision ADC or CapSense® | Better for high-speed CAN FD networks and complex motor control; lacks on-die analog configurability for sensor front-ends | Select when CAN FD bandwidth >1 Mbps or floating-point math is required; avoid if analog signal chain integration is primary goal |
| Renesas RL78/F14 | 16-bit RL78 core (32 MHz), 256 KB flash, 10-bit ADC (1 Msps), no USB or DFB, lower power (0.35 µA stop mode) | Optimized for ultra-low-power body electronics; insufficient analog resolution and digital processing for ADAS sensor hubs | Select for cost-sensitive BCMs where 10-bit ADC suffices and USB/CAN 2.0b are not needed; avoid for precision sensor acquisition |
Compared with NXP S32K144 and Renesas RL78/F14, CY8C3666PVA-180 uniquely combines automotive-grade AEC-Q100 qualification, 12-bit delta-sigma ADC with PGA, on-die DFB for real-time filtering, and CapSense® - making it optimal for applications demanding analog-rich, firmware-reconfigurable signal acquisition within tight thermal and space constraints.
Availability
CY8C3666PVA-180 is available at Aetrix Electronics and suitable for engine control units, body control modules, ADAS sensor hubs, and electric power steering systems requiring stable component supply across automotive production lifecycles.
Supply support for CY8C3666PVA-180 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies acquired Cypress Semiconductor in 2020 and now owns the PSoC® portfolio. Infineon is a global semiconductor leader focused on power systems, automotive electronics, and security solutions.
The CY8C36 family belongs to Infineon's automotive-qualified PSoC® 3 platform, designed specifically to replace discrete analog/digital components in automotive ECUs, BCMs, and sensor interfaces through configurable mixed-signal integration.
FAQ
Is CY8C3666PVA-180 pin-compatible with other CY8C36 devices?
Yes - all 100-pin TQFP variants in the CY8C36 family (e.g., CY8C3666LTI-065, CY8C3666PVI-112) share identical pinouts and package dimensions. Functional differences (e.g., USB presence, CAN buffer count) are implemented in silicon configuration, not pin assignment.
Does CY8C3666PVA-180 support CAN FD?
No - CY8C3666PVA-180 implements only classical CAN 2.0b (up to 1 Mbps). It lacks the arbitration bit rate switching and extended data length features of CAN FD. For CAN FD, consider Infineon's AURIX™ TC3xx or Traveo™ II families.
What development tools are required to program CY8C3666PVA-180?
PSoC Creator™ IDE (v3.3 or later) is mandatory for schematic-based design and component configuration. Programming requires a MiniProg3 or KitProg debugger via SWD or JTAG. USB-based bootloader updates are supported using standard CDC-ACM class drivers.
Can the internal 1.024 V reference be used for external circuitry?
No - the 1.024 V reference is internally buffered and not exposed on any pin. It serves exclusively for ADC, DAC, and comparator references. External circuits requiring precision voltage must use a dedicated reference IC or derive from VDDA with external regulation.
CY8C3666PVA-180 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-BSSOP (0.295", 7.50mm Width)
- Series:
- PSOC™ 3 CY8C36xx
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 8051
- Core Size:
- 8-Bit
- Speed:
- 67MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- CapSense, DMA, POR, PWM, WDT
- Number of I/O:
- 25
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x12b; D/A 4x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C3666PVA-180 FAQ
1.How can I place an order for CY8C3666PVA-180 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C3666PVA-180 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CY8C3666PVA-180 reliable?
The price and inventory of CY8C3666PVA-180 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C3666PVA-180 is usually 5 days.
3.What payment methods are accepted for CY8C3666PVA-180?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C3666PVA-180 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C3666PVA-180?
CY8C3666PVA-180 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C3666PVA-180 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CY8C3666PVA-180?
For technical support, including CY8C3666PVA-180 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C3666PVA-180 requirements.
6.How does Aetrix verify that CY8C3666PVA-180 is sourced from the original manufacturer or authorized distributors?
All CY8C3666PVA-180 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY8C3666PVA-180 meets industry standards.
7.What is the process for return or replacement of CY8C3666PVA-180?
All CY8C3666PVA-180 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C3666PVA-180, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CY8C3666PVA-180 part is unused and in its original packaging.
Return procedure for CY8C3666PVA-180:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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