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Infineon Technologies CY8C3866PVA-005
- Part No.:
- CY8C3866PVA-005
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
CY8C3866PVA-005.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,388
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Product details
Overview
CY8C3866PVA-005 from Infineon Technologies (formerly Cypress) is an AEC-Q100 qualified automotive-grade PSoC® 3 programmable system-on-chip integrating an 8051 CPU core, up to 64 KB flash, 8 KB SRAM, 2 KB EEPROM, 24-channel DMA, and mixed-signal peripherals including a 20-bit delta-sigma ADC (192 ksps), four opamps, four comparators, and full CAN 2.0b interface. It operates from 1.71 V to 5.5 V and supports –40 °C to +85 °C ambient temperature.
For engineers reviewing the CY8C3866PVA-005 datasheet, CY8C3866PVA-005 pinout, CY8C3866PVA-005 application, or CY8C3866PVA-005 equivalent, this device serves as a configurable mixed-signal SoC for automotive sensor signal acquisition, real-time control, and CAN-connected ECU subsystems - requiring verified analog accuracy, deterministic timing, and functional safety–ready peripheral integration.
Technical Context
The CY8C3866PVA-005 implements a single-cycle 8051 CPU core with up to 67 MHz operation, supported by a multilayer AHB bus architecture enabling concurrent DMA transfers and peripheral access. Its analog subsystem centers on a 1.024 V ±0.1% internal reference and a configurable delta-sigma ADC delivering 16-bit resolution at 48 ksps with 83-dB SINAD and ±2-bit INL.
Digital flexibility derives from 24 Universal Digital Blocks (UDBs) implementing PLD-based logic, plus dedicated blocks for USB 2.0 Full-Speed, CAN 2.0b (16 Rx/8 Tx buffers), I²C multimaster, and a 24-bit digital filter block (DFB) supporting FIR/IIR filtering. All GPIOs support CapSense®, LCD direct drive, and configurable voltage domains (1.2–5.5 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Single-cycle 8051, up to 67 MHz - enables deterministic real-time control loops with sub-µs interrupt latency. |
| Flash Memory | 64 KB, 100,000 write cycles, 20-year retention - supports field firmware updates and secure boot partitioning. |
| Delta-sigma ADC | Configurable 8–20-bit, up to 192 ksps, 16-bit @ 48 ksps with 83-dB SINAD - suitable for high-fidelity thermocouple or pressure sensor digitization. |
| CAN Interface | Full CAN 2.0b compliant, 16 Rx + 8 Tx buffers - enables robust automotive network node implementation without external controller. |
| Operating Temp | –40 °C to +85 °C - certified per AEC-Q100 Grade 2 for under-hood and cabin ECU deployment. |
| I/O System | 62 GPIOs + 8 SIOs + 2 USBIOs, with per-pin routability to all analog/digital peripherals - eliminates fixed-function pin constraints in layout. |
| Power Modes | 1 µA sleep (RTC + LVD active), 200 nA hibernate (RAM retention) - extends battery life in always-on automotive modules. |
Pinout & Package
The CY8C3866PVA-005 is housed in a 100-pin TQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad, optimized for automotive PCB thermal management and reflow compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA, VDDD | Analog/Digital Power Supply | Separate 1.71–5.5 V domains enable noise-isolated analog measurement while digital logic runs at optimal voltage. |
| P0[0]–P0[7] | General-purpose I/O Bank 0 | Support CapSense®, analog routing, and digital peripheral connections; configurable pull-up/down, open-drain, or strong drive. |
| CAN_TX, CAN_RX | CAN Bus Physical Interface | Dedicated differential pair pins with internal termination control - simplifies CAN transceiver interface and EMC compliance. |
| XTAL_IN, XTAL_OUT | Crystal Oscillator Input/Output | Supports 4–25 MHz crystal for ±50 ppm timing accuracy - required for CAN bit timing and ISO 11898–1 compliance. |
| USB_DP, USB_DM | USB 2.0 Full-Speed PHY | Integrated transceiver with internal termination - eliminates external USB resistors and reduces BOM count for diagnostic interfaces. |
| SWDCK, SWDIO | Serial Wire Debug Interface | 2-pin debug path supporting programming, real-time trace, and breakpoints - essential for automotive functional safety validation. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable Analog Subsystem | Four uncommitted opamps (25 mA drive), four comparators (95 ns), and SC/CT blocks usable as PGA, TIA, or mixer - enables sensor front-end customization without external components. |
| Delta-sigma ADC with Programmable Gain | Gain range ×0.25 to ×16, 12-bit mode @ 192 ksps with 66-dB SINAD - supports direct connection of mV-range sensors (e.g., strain gauges) with no external amplifier. |
| UDB-Based Digital Flexibility | 24 Universal Digital Blocks with PAL/PLD + state machine - allows hardware-accelerated custom protocols (e.g., LIN variant) or real-time signal processing logic in gate-level fabric. |
| AEC-Q100 Qualified Mixed-Signal Integration | Single-chip replacement for MCU + ADC + DAC + CAN controller + opamp array - reduces board area, interconnect risk, and qualification effort in automotive ECUs. |
Applications
| Engine Control Unit (ECU) Sensor Hub | Automotive Body Control Module (BCM) |
|---|---|
|
Use Scenario: Aggregating signals from multiple analog sensors (coolant temp, throttle position, knock) and digital switches while communicating via CAN to main ECU. IC Role / Device Role / Timing Role: Central mixed-signal acquisition and preprocessing node with deterministic 67 MHz CPU execution and synchronized ADC sampling. Use Value: Eliminates discrete ADC, opamp, and CAN controller; reduces component count by ≥7 parts while maintaining AEC-Q100 compliance across full temperature range. |
Use Scenario: Managing door lock actuators, window lift motors, interior lighting dimming, and occupancy detection via CapSense®. IC Role / Device Role / Timing Role: Integrated control and human interface processor with GPIO-driven motor drivers, PWM-controlled LED dimming, and capacitive touch sensing. Use Value: Single-chip solution replaces MCU + touch controller + motor driver ICs; enables unified firmware update and reduced harness complexity. |
| Advanced Driver Assistance Systems (ADAS) Camera Module | Electric Power Steering (EPS) Motor Monitor |
|
Use Scenario: Capturing and pre-processing analog video sync signals and lens focus feedback in compact rear-view camera modules. IC Role / Device Role / Timing Role: High-accuracy analog front-end and real-time image timing generator using DFB and programmable clock tree. Use Value: Delta-sigma ADC with 192 ksps sampling captures precise VSYNC/HREF edges; UDBs implement custom timing sequencers without FPGA overhead. |
Use Scenario: Monitoring motor phase current, temperature, and position feedback in EPS systems with fail-safe shutdown capability. IC Role / Device Role / Timing Role: Safety-critical analog monitor and CAN gateway with independent watchdog, LVD, and hibernate-mode wake-on-current-threshold. Use Value: On-chip comparators and opamps enable <1 µs overcurrent response; integrated CAN ensures immediate fault reporting to steering ECU. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144 | ARM Cortex-M4F core, 16-bit SAR ADC (1.2 Msps), no integrated opamps or CapSense® | Targets higher-performance motor control; requires external analog front-end for precision sensor conditioning | Select when floating-point math, Ethernet, or ASIL-B certification is required - not drop-in for analog-intensive designs. |
| Renesas RL78/F14 | 16-bit RL78 core, 12-bit SAR ADC (1 Msps), integrated LIN, no CAN FD or delta-sigma ADC | Focused on cost-sensitive body electronics; lacks high-resolution analog acquisition capability | Prefer for low-power BCM applications where 12-bit ADC resolution suffices and CAN bandwidth is non-critical. |
Compared with NXP S32K144 and Renesas RL78/F14, the CY8C3866PVA-005 uniquely integrates high-accuracy delta-sigma ADC, configurable opamps, and full CAN 2.0b in one AEC-Q100 device - making it optimal for automotive sensor hubs where analog fidelity and peripheral consolidation outweigh raw CPU throughput needs.
Availability
CY8C3866PVA-005 is available at Aetrix Electronics and suitable for engine control units, body control modules, ADAS camera interfaces, and electric power steering monitors requiring stable component supply and long-term automotive lifecycle support.
Supply support for CY8C3866PVA-005 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 is a global semiconductor leader headquartered in Munich, Germany, specializing in power systems, automotive MCUs, and security solutions with deep expertise in AEC-Q100 qualification and functional safety.
The CY8C38 family belongs to Infineon's PSoC® 3 programmable SoC product line, designed specifically for automotive signal acquisition, real-time control, and mixed-signal integration - enabling rapid prototyping and late-stage firmware-based design iteration without hardware changes.
FAQ
Is CY8C3866PVA-005 pin-compatible with other CY8C38 variants?
Yes - CY8C3866PVA-005 shares the same 100-pin TQFP package and pinout as all CY8C38xxPVA devices. Pin functions are consistent across speed grades and memory configurations, enabling drop-in replacement within the same package family per the CY8C38 Automotive Family Datasheet Section 2 (Pinouts).
Does CY8C3866PVA-005 support CAN FD?
No - CY8C3866PVA-005 implements only classical CAN 2.0b (up to 1 Mbps). It does not support CAN FD data rates or extended frame formats. For CAN FD, consider Infineon's newer AURIX™ TC3xx or PSoC™ 6 families with dedicated CAN FD controllers.
What development tools are required for CY8C3866PVA-005 firmware development?
PSoC Creator™ IDE (v4.4 or later) is mandatory for schematic-based design and component configuration. Programming and debugging require a KitProg2 or MiniProg3 programmer/debugger supporting SWD/JTAG. USBFS and CapSense® tuning require specific Cypress-provided libraries and tuning utilities.
Can the internal 1.024 V reference be used for external circuit biasing?
No - the 1.024 V reference is internally buffered and not routed to any GPIO pin. It is exclusively used by the delta-sigma ADC and comparators. External circuits requiring a precision reference must use a dedicated voltage reference IC or derive bias from VDDA with external regulation.
CY8C3866PVA-005 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-BSSOP (0.295", 7.50mm Width)
- Series:
- PSOC™ 3 CY8C38xx
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 8051
- Core Size:
- 8-Bit
- Speed:
- 67MHz
- Connectivity:
- 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 16x20b; D/A 4x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C3866PVA-005 FAQ
1.How can I place an order for CY8C3866PVA-005 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C3866PVA-005 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 CY8C3866PVA-005 reliable?
The price and inventory of CY8C3866PVA-005 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C3866PVA-005 is usually 5 days.
3.What payment methods are accepted for CY8C3866PVA-005?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C3866PVA-005 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C3866PVA-005?
CY8C3866PVA-005 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C3866PVA-005 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 CY8C3866PVA-005?
For technical support, including CY8C3866PVA-005 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C3866PVA-005 requirements.
6.How does Aetrix verify that CY8C3866PVA-005 is sourced from the original manufacturer or authorized distributors?
All CY8C3866PVA-005 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 CY8C3866PVA-005 meets industry standards.
7.What is the process for return or replacement of CY8C3866PVA-005?
All CY8C3866PVA-005 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C3866PVA-005, 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 CY8C3866PVA-005 part is unused and in its original packaging.
Return procedure for CY8C3866PVA-005:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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