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Infineon Technologies CY8C3865PVA-063
- Part No.:
- CY8C3865PVA-063
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
CY8C3865PVA-063.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,682
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Product details
Overview
CY8C3865PVA-063 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), and four opamps - deployed in engine control units and body electronics requiring mixed-signal reconfigurability.
For engineers reviewing the CY8C3865PVA-063 datasheet, CY8C3865PVA-063 pinout, CY8C3865PVA-063 application, or CY8C3865PVA-063 equivalent, key selection criteria include AEC-Q100 Grade 2 temperature range (–40 °C to +105 °C), 100-pin TQFP package with 62 GPIOs, CAN/USB dual-interface capability, and on-chip CapSense® support for touch HMI in automotive cabin modules.
Technical Context
The CY8C3865PVA-063 implements a single-cycle 8051 microcontroller core operating up to 67 MHz with 512-byte flash cache and ECC-protected memory. Its digital subsystem uses 24 universal digital blocks (UDBs) supporting programmable logic, timers, PWMs, I²C, LIN, and full CAN 2.0b with 16 Rx/8 Tx buffers.
Analog functionality includes a 20-bit delta-sigma ADC (192 ksps, ±1-bit INL at 12-bit mode), four rail-to-rail opamps (25 mA drive), four comparators (95 ns), and four SC/CT blocks configurable as PGA, TIA, or mixer - all referenced to a 1.024 V ±0.1% internal voltage reference across –40 °C to +85 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Single-cycle 8051 running up to 67 MHz; enables deterministic real-time control without instruction pipelining overhead. |
| Flash Memory | 64 KB with 100,000 write cycles and 20-year data retention; supports firmware updates and secure boot in field-deployed ECUs. |
| ADC Resolution | Configurable 8–20-bit delta-sigma ADC; 16-bit mode delivers 83-dB SINAD at 48 ksps for high-fidelity sensor signal acquisition. |
| CAN Interface | Full CAN 2.0b compliant with 16 receive and 8 transmit buffers; meets ISO 11898-1 for robust vehicle network communication. |
| Operating Temperature | –40 °C to +105 °C (Grade 2); validated per AEC-Q100 for under-hood and cabin applications without derating. |
| I/O Count | 62 GPIOs + 8 SIO + 2 USBIO; all routable to analog/digital peripherals via DSI, enabling flexible PCB layout and late-stage feature changes. |
| Power Consumption | 1 µA sleep mode with RTC/LVD interrupt; reduces standby current in always-on automotive modules such as door controllers. |
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 | Analog Power Supply | 1.71–5.5 V analog domain supply; powers ADC, DAC, opamps, and reference - must be filtered separately from digital rails. |
| P0[0]–P0[7] | General-Purpose I/O | GPIO bank with CapSense® and LCD drive capability; supports Schmitt-trigger input and programmable drive strength. |
| CAN_TX / CAN_RX | CAN Bus Interface | Differential CAN physical layer signals routed through internal transceiver; require external termination and ESD protection. |
| USBDP / USBDM | USB 2.0 Full-Speed PHY | Differential data lines for USB device operation; use internal oscillator (no external crystal required for FS compliance). |
| XTAL_IN / XTAL_OUT | Crytal Oscillator Input/Output | Supports 4–25 MHz crystal for precision timing; optional when using internal IMO or PLL for clock generation. |
| SWDCK / SWDIO | Serial Wire Debug | 2-wire JTAG alternative for programming and real-time debugging; occupies minimal board space vs. 4-wire JTAG. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable UDB Array | 24 universal digital blocks enable custom logic synthesis (e.g., custom protocol engines or state machines) without FPGA-level complexity. |
| Delta-Sigma ADC Flexibility | Programmable gain (×0.25 to ×16), resolution (8–20-bit), and sample rate (up to 192 ksps) allow one peripheral to replace multiple discrete ADCs. |
| CapSense® Integration | Capacitive sensing supported on any GPIO with <10 fF resolution; eliminates external touch controller IC in infotainment and climate panels. |
| Automotive Clocking System | Multiple independent oscillators (IMO, ILO, WCO, PLL) with fail-safe switching ensure timing continuity during voltage dips or crystal faults. |
| Secure Flash Protection | Read/write protection, flash lock bits, and secure bootloader prevent unauthorized firmware access - critical for OTA update security. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of crankshaft position, throttle angle, and oxygen sensor signals in gasoline direct injection systems. IC Role / Device Role / Timing Role: Central MCU executing closed-loop fuel injection timing, spark advance, and CAN-based diagnostics. Use Value: Integrated 20-bit ADC and CAN 2.0b eliminate external signal conditioning and bus interface ICs, reducing BOM count by ≥3 components. |
Use Scenario: Managing power windows, door locks, interior lighting, and mirror adjustment via LIN and CAN networks. IC Role / Device Role / Timing Role: Mixed-signal controller handling analog sensor inputs (potentiometers, ambient light), digital switches, and LIN slave communication. Use Value: On-chip opamps and comparators condition raw sensor signals; GPIO routability allows reuse of same PCB layout across multiple BCM variants. |
| Infotainment Touch Panel | Advanced Driver Assistance System (ADAS) Sensor Hub |
Use Scenario: Capacitive touch detection for center console buttons and rotary encoders in automotive dashboards. IC Role / Device Role / Timing Role: Dedicated CapSense® subsystem with shield driver and noise immunity algorithms for ESD-robust HMI. Use Value: Eliminates external touch controller; supports >100-node mutual-capacitance scanning with <5 ms response latency. |
Use Scenario: Aggregating and preprocessing ultrasonic parking sensor echoes and radar status signals before forwarding to main ADAS ECU. IC Role / Device Role / Timing Role: Signal acquisition node performing analog front-end amplification, filtering (via DFB), and CAN message formatting. Use Value: 67 MHz DFB implements real-time FIR filters for echo envelope extraction; reduces host processor load by offloading 80% of preprocessing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144 | ARM Cortex-M4F core, no integrated CapSense®, higher power consumption (3.5 mA/MHz), requires external ADC for >12-bit precision. | Targets safety-critical ASIL-B functions; lacks on-chip analog configurability for low-cost sensor nodes. | Select when functional safety certification (ISO 26262) is mandatory and CAN FD support is required. |
| Renesas RL78/F14 | 16-bit RL78 core, 24 MHz max, 12-bit SAR ADC only, no USB or DFB, limited GPIO routing flexibility. | Focused on cost-sensitive body electronics without touch or high-resolution sensor needs. | Select for simple LIN/CAN gateway designs where flash size <32 KB and analog integration is minimal. |
Compared with NXP S32K144 and Renesas RL78/F14, CY8C3865PVA-063 uniquely combines automotive-grade reconfigurable analog (20-bit ADC, opamps, CapSense®) and digital (CAN+USB, UDBs, DFB) resources in a single die - enabling hardware consolidation in mid-tier automotive ECUs without sacrificing design agility.
Availability
CY8C3865PVA-063 is available at Aetrix Electronics and suitable for engine control units, body control modules, infotainment touch interfaces, and ADAS sensor hubs requiring stable component supply across extended automotive lifecycles.
Supply support for CY8C3865PVA-063 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 management, automotive MCUs, and security solutions with over 40 years of automotive qualification expertise.
CY8C3865PVA-063 belongs to the PSoC® 3 automotive family - designed specifically to replace discrete analog/digital components in cost-sensitive, AEC-Q100-compliant vehicle subsystems while enabling firmware-driven feature differentiation.
FAQ
Is CY8C3865PVA-063 pin-compatible with other CY8C38 devices?
Yes - CY8C3865PVA-063 shares the same 100-pin TQFP footprint and pin mapping with other PVA-package CY8C38 devices (e.g., CY8C3866PVA-063). Power, ground, reset, and debug pins are identically positioned; peripheral-specific pins (CAN, USB, crystal) align across the family per the Pin Descriptions section of datasheet 001-54683 Rev. *L.
Does CY8C3865PVA-063 support CAN FD?
No - CY8C3865PVA-063 implements only classical CAN 2.0b (up to 1 Mbps) with 16 Rx and 8 Tx buffers. It does not support CAN FD data rates, arbitration bit rates above 1 Mbps, or extended data length frames. For CAN FD, consider Infineon's AURIX™ TC3xx family or newer PSoC™ 6 devices.
What development tools are required for firmware deployment?
PSoC Creator™ IDE (v4.4 or later) is mandatory for schematic-based design and code generation. Programming requires a KitProg2 or MiniProg3 debugger; SWD interface supports flash programming, real-time variable watch, and 4 KB instruction trace. USB-based bootloader allows field updates via HID-class interface without external programmer.
Can the internal 1.024 V reference be used for external circuit biasing?
No - the 1.024 V reference is internally buffered and dedicated solely to ADC, DAC, and comparator operation. It is not exposed on any pin and cannot source current to external circuitry. For external biasing, use a precision external reference (e.g., REF3012) or derive from VDDA with resistive divider and opamp buffer.
CY8C3865PVA-063 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, USB
- Peripherals:
- CapSense, DMA, LCD, POR, PWM, WDT
- Number of I/O:
- 25
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- RAM Size:
- 4K 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:
CY8C3865PVA-063 FAQ
1.How can I place an order for CY8C3865PVA-063 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C3865PVA-063 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 CY8C3865PVA-063 reliable?
The price and inventory of CY8C3865PVA-063 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C3865PVA-063 is usually 5 days.
3.What payment methods are accepted for CY8C3865PVA-063?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C3865PVA-063 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C3865PVA-063?
CY8C3865PVA-063 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C3865PVA-063 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 CY8C3865PVA-063?
For technical support, including CY8C3865PVA-063 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C3865PVA-063 requirements.
6.How does Aetrix verify that CY8C3865PVA-063 is sourced from the original manufacturer or authorized distributors?
All CY8C3865PVA-063 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 CY8C3865PVA-063 meets industry standards.
7.What is the process for return or replacement of CY8C3865PVA-063?
All CY8C3865PVA-063 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C3865PVA-063, 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 CY8C3865PVA-063 part is unused and in its original packaging.
Return procedure for CY8C3865PVA-063:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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