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Infineon Technologies CY8C3866PVA-047
- Part No.:
- CY8C3866PVA-047
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
CY8C3866PVA-047.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,376
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Product details
Overview
CY8C3866PVA-047 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 configurable analog/digital peripherals including CAN 2.0b, USB 2.0 Full-Speed, delta-sigma ADC (20-bit, 192 ksps), four opamps, and CapSense®. It operates from 1.71 V to 5.5 V and supports –40 °C to +85 °C ambient temperature in a 100-pin TQFP package.
For engineers reviewing the CY8C3866PVA-047 datasheet, CY8C3866PVA-047 pinout, CY8C3866PVA-047 application, or CY8C3866PVA-047 equivalent, key selection criteria include automotive-grade reliability, integrated CAN/USB connectivity, mixed-signal configurability via PSoC Creator™, and support for real-time signal acquisition with <1% INL delta-sigma conversion at 16-bit resolution.
Technical Context
The CY8C3866PVA-047 implements a single-cycle 8051 microcontroller core running at up to 67 MHz, backed by a 24-UDB digital subsystem supporting custom logic, timers, PWMs, I²C, SPI, LIN, and quadrature decoding. Its analog subsystem includes a 1.024 V ±0.1% reference, 20-bit delta-sigma ADC with programmable gain (×0.25–×16), four comparators (95 ns), and four configurable SC/CT blocks usable as PGA, TIA, or mixer.
Digital and analog routing is fully flexible across 62 GPIOs and eight SIOs, enabling any peripheral signal to be routed to any pin. Clocking combines a 3–62 MHz IMO, 4–25 MHz crystal oscillator, 32.768 kHz RTC oscillator, and PLL - all supporting deterministic timing for automotive control loops and sensor fusion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Single-cycle 8051, up to 67 MHz - enables deterministic real-time control with sub-15 ns instruction latency. |
| Flash Memory | 64 KB, 100,000 write cycles, 20-year retention - supports field firmware updates and secure boot partitioning. |
| ADC Resolution | Delta-sigma, 8–20-bit programmable - delivers 83 dB SINAD at 16-bit/48 ksps for high-fidelity sensor digitization. |
| CAN Interface | CAN 2.0b compliant, 16 Rx + 8 Tx buffers - meets automotive network requirements without external transceiver dependency. |
| Operating Temp | –40 °C to +85 °C - certified per AEC-Q100 Grade 2 for under-hood and cabin control modules. |
| I/O Count | 62 GPIO + 8 SIO + 2 USBIO - provides full pin routability for mixed-signal routing and multi-domain voltage I/O (1.2–5.5 V). |
| Power Modes | 1 µA sleep (RTC + LVD active), 200 nA hibernate (RAM retention) - enables ultra-low-power always-on sensing in battery systems. |
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 domains enable noise-isolated analog operation while digital logic runs at optimized voltage. |
| P0[0]–P0[7] | General-Purpose I/O Bank 0 | Supports CapSense®, analog input, opamp output, or digital routing - configurable per-pin drive strength and pull options. |
| CAN_TX / CAN_RX | CAN Bus Physical Interface | Dedicated differential pair pins with internal termination control - require external CAN transceiver for bus connection. |
| USB_DP / USB_DM | USB 2.0 Full-Speed PHY | On-die USB transceiver compliant to TID#40770053 - eliminates need for external PHY in USB peripheral designs. |
| XRES | External Reset Input | Active-low asynchronous reset with Schmitt-trigger input - ensures robust reset assertion during power ramp or ESD events. |
| XTAL_IN / XTAL_OUT | Crystal Oscillator Interface | Supports 4–25 MHz fundamental-mode crystals for precision clocking - essential for CAN bit timing and USB frame sync. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable UDB Array (24 blocks) | Enables hardware-level customization of digital logic (e.g., custom protocol engines or CRC accelerators) without FPGA cost or complexity. |
| Delta-sigma ADC with PGA | Programmable gain (×0.25–×16) and 20-bit resolution allow direct thermocouple, strain gauge, or current-sense interface without external signal conditioning. |
| CapSense® on Any GPIO | Enables capacitive touch buttons, sliders, or proximity sensing using standard I/O pins - no dedicated controller or external IC required. |
| Integrated USB 2.0 FS PHY | Reduces BOM count and PCB area by eliminating external USB transceiver; certified per USB-IF TID#40770053 for interoperability. |
| AEC-Q100 Grade 2 Qualification | Validated for automotive use across –40 °C to +85 °C with extended reliability testing - supports ASIL-B functional safety decomposition. |
Applications
| Body Control Module | Instrument Cluster |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, lighting, and seat position sensors in modern vehicle platforms. IC Role / Device Role / Timing Role: Main MCU executing real-time CAN message handling, analog sensor acquisition (potentiometers, temp sensors), and PWM-driven motor control. Use Value: Single-chip integration reduces interconnect complexity and improves EMC robustness; AEC-Q100 qualification ensures long-term reliability in harsh environments. |
Use Scenario: Driving display with analog gauges, digital readouts, warning indicators, and capacitive touch controls. IC Role / Device Role / Timing Role: Mixed-signal controller managing LCD segment driving (up to 46×16), CapSense® touch inputs, and CAN-based cluster data aggregation. Use Value: Direct LCD drive capability eliminates external display driver IC; integrated opamps condition analog speed/tach signals before ADC sampling. |
| Engine Management Sensor Hub | Advanced Driver Assistance System (ADAS) Subsystem |
Use Scenario: Aggregation and preprocessing of engine coolant temp, intake air temp, throttle position, and knock sensor signals. IC Role / Device Role / Timing Role: Signal acquisition node with high-accuracy delta-sigma ADC, programmable gain amplifiers, and CAN message formatting. Use Value: 16-bit ADC mode achieves ±2-bit INL at 48 ksps - sufficient for closed-loop fuel injection calibration without external precision ADC. |
Use Scenario: Low-latency processing of radar or camera pre-processing outputs (e.g., object distance, lane deviation) in entry-level ADAS features. IC Role / Device Role / Timing Role: Real-time digital filter block (DFB) executing FIR/IIR filters on sensor streams, coupled with CAN/UART communication to main ECU. Use Value: 67 MHz DFB enables 24-bit fixed-point filtering at >100 kHz sample rates - supports time-critical sensor fusion with <10 µs latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon CY8C4146AZI-S433 | ARM Cortex-M0+ core, 128 KB flash, no CAN, USB not supported - higher performance but lacks automotive CAN and USB PHY. | Suitable for non-CAN industrial HMI or sensor nodes where ARM toolchain preference outweighs legacy 8051 compatibility. | Select when migrating to 32-bit architecture and CAN is not required; requires redesign of firmware and peripheral configuration. |
| NXP S9KEAZ128AMLH | ARM Cortex-M0+, 128 KB flash, CAN 2.0b, no USB, 12-bit SAR ADC only - lower analog precision and no configurable UDB array. | Targeted at cost-sensitive body electronics where basic CAN messaging and simple analog monitoring suffice. | Choose for price-sensitive CAN-only applications lacking need for high-resolution ADC or CapSense®; no PSoC Creator™ design reuse possible. |
Compared with CY8C3866PVA-047, the CY8C4146AZI-S433 offers higher compute throughput but removes CAN and USB integration, while the S9KEAZ128AMLH retains CAN but sacrifices ADC resolution, analog configurability, and CapSense® - making CY8C3866PVA-047 uniquely suited for mixed-signal automotive nodes requiring both precision sensing and dual-interface connectivity.
Availability
CY8C3866PVA-047 is available at Aetrix Electronics and suitable for automotive body control modules, instrument clusters, engine sensor hubs, and ADAS subsystems requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.
Supply support for CY8C3866PVA-047 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 AG is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with global R&D and manufacturing infrastructure.
CY8C3866PVA-047 belongs to the PSoC® 3 automotive family - designed specifically for cost-effective, highly integrated signal acquisition and control in automotive subsystems where analog flexibility, CAN/USB connectivity, and AEC-Q100 reliability are mandatory.
FAQ
Does CY8C3866PVA-047 support USB device enumeration without external components?
Yes. The part integrates a USB 2.0 Full-Speed PHY certified per USB-IF TID#40770053. With only passive termination resistors (1.5 kΩ pull-up on D+ and 22 Ω series on DP/DM), it achieves full USB device enumeration and data transfer at 12 Mbps - no external transceiver or oscillator required.
What is the maximum achievable resolution and accuracy of the delta-sigma ADC in automotive temperature range?
At VDDA ≥ 2.7 V and –40 °C to +85 °C, the delta-sigma ADC achieves 16-bit resolution with ±2-bit INL and ±1-bit DNL, and 83 dB SINAD. At 20-bit mode, resolution is maintained but effective ENOB drops due to thermal noise; datasheet Table 11-17 specifies performance degradation below 2.7 V.
Can CapSense® be implemented on all GPIO pins, including those shared with analog peripherals?
CapSense® is supported on all GPIO pins except those directly connected to opamp outputs (per datasheet Note 4). Pins used for analog input, comparator, or IDAC functions remain fully compatible with CapSense® scanning - routing flexibility allows simultaneous use of analog sensing and touch on separate pins within the same design.
Is the 8051 core in CY8C3866PVA-047 cycle-accurate and suitable for hard real-time control loops?
Yes. The single-cycle 8051 core executes all instructions in one clock cycle at up to 67 MHz, delivering deterministic latency. Combined with hardware-triggered DMA transfers and interrupt priority levels, it supports sub-10 µs response times for critical events such as CAN message reception or ADC conversion completion.
CY8C3866PVA-047 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:
- 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 16x20b; D/A 4x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C3866PVA-047 FAQ
1.How can I place an order for CY8C3866PVA-047 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C3866PVA-047 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-047 reliable?
The price and inventory of CY8C3866PVA-047 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C3866PVA-047 is usually 5 days.
3.What payment methods are accepted for CY8C3866PVA-047?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C3866PVA-047 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C3866PVA-047?
CY8C3866PVA-047 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C3866PVA-047 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-047?
For technical support, including CY8C3866PVA-047 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C3866PVA-047 requirements.
6.How does Aetrix verify that CY8C3866PVA-047 is sourced from the original manufacturer or authorized distributors?
All CY8C3866PVA-047 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-047 meets industry standards.
7.What is the process for return or replacement of CY8C3866PVA-047?
All CY8C3866PVA-047 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C3866PVA-047, 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-047 part is unused and in its original packaging.
Return procedure for CY8C3866PVA-047:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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