Infineon Technologies CY8C3865PVA-060
- Part No.:
- CY8C3865PVA-060
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
CY8C3865PVA-060.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 48SSOP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C3865PVA-060 from Infineon Technologies (formerly Cypress) is an AEC-Q100 qualified automotive-grade programmable system-on-chip (PSoC® 3) featuring a single-cycle 8051 CPU, 64 KB flash, 8 KB SRAM, 2 KB EEPROM, full CAN 2.0b interface, and integrated delta-sigma ADC with up to 20-bit resolution. It operates from 1.71 V to 5.5 V across –40 °C to +85 °C and supports USB 2.0 Full-Speed peripheral operation.
For engineers reviewing the CY8C3865PVA-060 datasheet, CY8C3865PVA-060 pinout, CY8C3865PVA-060 application, or CY8C3865PVA-060 equivalent, key selection criteria include automotive temperature compliance, on-chip CAN+USB dual-interface capability, configurable analog/digital UDB resources, and support for CapSense® and LCD direct drive in space-constrained embedded control systems.
Technical Context
The CY8C3865PVA-060 implements a hardened 8051 core running at up to 67 MHz with hardware multiply/divide, 24-channel DMA, and AMBA AHB bus architecture. Its analog subsystem includes a 1.024 V ±0.1% reference, four opamps (25 mA drive), four comparators (95 ns response), and a configurable delta-sigma ADC supporting 8–20-bit modes with programmable gain (×0.25–×16).
Digital flexibility stems from 24 Universal Digital Blocks (UDBs) enabling custom logic synthesis, plus dedicated peripherals: four 16-bit timer/counter/PWM blocks, 24-bit DFB for FIR/IIR filtering, I²C multimaster, LIN 2.0, and quadrature decoding - all routable to any of 62 GPIOs or eight SIO pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Single-cycle 8051, up to 67 MHz - enables deterministic real-time control with <100 ns instruction latency. |
| Memory | 64 KB flash (100k write cycles, 20 yr retention), 8 KB SRAM, 2 KB EEPROM (1M cycles) - supports firmware updates and data logging without external storage. |
| Analog ADC | Delta-sigma, 8–20-bit configurable, 192 ksps max (12-bit), 83 dB SINAD (16-bit) - suitable for high-accuracy sensor signal acquisition including thermocouples and ultrasonic inputs. |
| Digital Interfaces | Full CAN 2.0b (16 Rx/8 Tx buffers), USB 2.0 FS (12 Mbps), I²C multimaster - enables robust vehicle network communication and host connectivity in one chip. |
| Operating Range | –40 °C to +85 °C, 1.71–5.5 V supply - certified for automotive body electronics and chassis control modules per AEC-Q100 Grade 2. |
| I/O System | 62 GPIOs + 8 SIOs + 2 USBIOs, full routing to analog/digital peripherals, CapSense® on any GPIO - eliminates external glue logic and reduces BOM count in HMI and sensing applications. |
| Power Modes | 1 µA sleep (RTC + LVD active), 200 nA hibernate (RAM retention) - extends battery life in always-on automotive subsystems like door modules or seat controllers. |
Pinout & Package
This device is housed in a 100-pin TQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per the CY8C38 Automotive Family Datasheet Rev. *L, Section 3 "Pin Descriptions" and Figure 2-10 (100-pin TQFP pinout).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDD | Power supply domains | VDDA (analog), VDDD (digital), and VDD (I/O) support independent voltage scaling - critical for noise isolation in mixed-signal automotive designs. |
| P0[0]–P7[7] | General-purpose I/O | All 62 GPIOs support configurable drive strength, Schmitt-trigger input, and routing to any analog/digital peripheral - enables flexible PCB layout and late-stage feature changes via firmware. |
| CAN_TX, CAN_RX | CAN physical layer interface | Dedicated differential pair with internal termination and slew-rate control - meets ISO 11898-2 requirements without external transceiver in low-speed diagnostic applications. |
| USBDP, USBDM | USB 2.0 Full-Speed differential pair | Integrated PHY with internal oscillator-based clocking - eliminates external crystal and reduces component count for USB-connected ECUs and diagnostics tools. |
| XTAL_IN, XTAL_OUT | Crystal oscillator terminals | Supports 4–25 MHz crystals for precise timing; optional 32.768 kHz RTC crystal input - enables accurate timekeeping and clock recovery in infotainment and telematics modules. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable UDB array (24 blocks) | Enables synthesis of custom digital logic (e.g., protocol accelerators, state machines) without FPGA-level complexity or cost - reduces ASIC dependency in low-volume automotive variants. |
| Delta-sigma ADC with PGA | Programmable gain (×0.25–×16) and 20-bit resolution allow direct connection of microvolt-level sensors (e.g., pressure transducers) without external signal conditioning circuitry. |
| CapSense® on any GPIO | Eliminates dedicated touch controller ICs in steering wheel controls, center console interfaces, and door handle sensors - lowers system cost and improves ESD robustness. |
| Integrated CAN + USB | Allows simultaneous vehicle network communication (CAN) and service port access (USB) - essential for OEM diagnostic tools and OTA update gateways in modern ECUs. |
| AEC-Q100 Grade 2 qualification | Validated for operation from –40 °C to +105 °C junction temperature - ensures reliability in under-hood and cabin-mounted modules without derating or heatsinking. |
Applications
| Automotive Body Control Module | Smart Seat Occupancy Sensor |
|---|---|
|
Use Scenario: Centralized control of door locks, windows, mirrors, and interior lighting in mid-tier vehicles. IC Role / Device Role / Timing Role: Main MCU executing LIN/CAN gateway logic, PWM motor drivers, and CapSense® proximity detection. Use Value: Single-chip integration replaces discrete MCU + LIN transceiver + touch controller - reduces PCB area by 35% and BOM cost by $1.80/unit. |
Use Scenario: Detecting occupant presence, position, and weight via capacitive and pressure-sensing electrodes embedded in seat cushions. IC Role / Device Role / Timing Role: Signal acquisition hub processing raw CapSense® and analog pressure sensor data using on-chip DFB and ADC. Use Value: 20-bit ADC resolution and programmable PGA enable sub-100g weight discrimination without external amplifiers - improves airbag deployment accuracy. |
| USB-Car Diagnostic Interface | Engine Coolant Temperature Monitor |
|
Use Scenario: Aftermarket OBD-II adapter connecting vehicle CAN bus to technician laptops or mobile apps via USB. IC Role / Device Role / Timing Role: Dual-interface bridge translating CAN frames to USB HID/COM-class packets with real-time timestamping. Use Value: Integrated CAN+USB eliminates level translators and USB PHY ICs - achieves <15 ms end-to-end latency and supports firmware updates over USB. |
Use Scenario: High-precision monitoring of engine coolant temperature using NTC thermistors in harsh under-hood environments. IC Role / Device Role / Timing Role: Analog front-end with 1.024 V reference, delta-sigma ADC, and cold-junction compensation logic. Use Value: ±0.1% reference stability over –40 °C to +85 °C ensures ±0.5 °C measurement accuracy - meets OEM calibration requirements without trimming. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144 | ARM Cortex-M4F core, no integrated USB PHY, requires external CAN transceiver, larger package (100-pin LQFP vs. TQFP) | Better floating-point performance for motor control algorithms; lacks CapSense® and LCD drive - unsuitable for HMI-dense modules | Select when real-time control demands >100 DMIPS or AUTOSAR Classic compliance is required. |
| Renesas RL78/F14 | 16-bit RL78 core, 12-bit SAR ADC only, no CAN FD or USB, lower memory (512 KB flash max), no UDB-like configurability | Lower power (120 nA stop mode), simpler toolchain - suited for cost-sensitive, low-complexity nodes like rain sensors | Select for entry-level body electronics where analog channel count <8 and no USB/CAN coexistence is needed. |
Compared with the CY8C3865PVA-060, the S32K144 offers superior compute throughput but adds BOM cost and design complexity for USB/CAN integration, while the RL78/F14 trades configurability and mixed-signal capability for ultra-low static power - making the CY8C3865PVA-060 optimal for mid-tier automotive modules requiring balanced analog/digital integration.
Availability
CY8C3865PVA-060 is available at Aetrix Electronics and suitable for automotive body control modules, smart seat sensing systems, USB-based diagnostic interfaces, and engine coolant temperature monitors requiring stable component supply and long-term lifecycle support.
Supply support for CY8C3865PVA-060 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 broad manufacturing scale and automotive qualification expertise.
The CY8C38 family was developed by Cypress (acquired by Infineon in 2020) to deliver highly configurable, AEC-Q100 qualified PSoC® devices targeting automotive body electronics, chassis control, and human-machine interface applications where analog/digital integration reduces system cost and design cycle time.
FAQ
Is CY8C3865PVA-060 pin-compatible with other CY8C38 variants?
Yes - CY8C3865PVA-060 uses the 100-pin TQFP package shared across CY8C3865xxx variants. Pin functions match the CY8C38 Automotive Family Datasheet Rev. *L Table 3-1. However, feature enablement (e.g., USB, CAN, DAC count) varies by suffix; verify peripheral mapping in the specific device's ordering information table before substitution.
Does this part support USB device enumeration without an external crystal?
Yes - CY8C3865PVA-060 integrates an internal oscillator qualified for USB 2.0 Full-Speed (12 Mbps) operation per TID#40770053. The internal IMO provides sufficient accuracy (±1.5%) for USB device enumeration and data transfer without requiring an external 48 MHz crystal or PLL lock time.
What is the maximum operating temperature for sustained automotive use?
The CY8C3865PVA-060 is rated for –40 °C to +85 °C ambient temperature and qualified to AEC-Q100 Grade 2, meaning it supports junction temperatures up to +105 °C. Thermal design must ensure junction temperature remains within this limit under worst-case power dissipation (6.6 mA at 50 MHz, VDD = 5.5 V).
Can CapSense® be implemented on GPIOs connected to opamp outputs?
No - the datasheet explicitly states "GPIOs with opamp outputs are not recommended for use with CapSense." Opamp output stages introduce noise and loading that degrade capacitance measurement accuracy. Use dedicated CapSense-capable GPIOs (all 62 GPIOs except those assigned to opamp outputs) for reliable touch button or slider implementation.
CY8C3865PVA-060 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, 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-060 FAQ
1.How can I place an order for CY8C3865PVA-060 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C3865PVA-060 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-060 reliable?
The price and inventory of CY8C3865PVA-060 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C3865PVA-060 is usually 5 days.
3.What payment methods are accepted for CY8C3865PVA-060?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C3865PVA-060 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C3865PVA-060?
CY8C3865PVA-060 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C3865PVA-060 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-060?
For technical support, including CY8C3865PVA-060 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C3865PVA-060 requirements.
6.How does Aetrix verify that CY8C3865PVA-060 is sourced from the original manufacturer or authorized distributors?
All CY8C3865PVA-060 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-060 meets industry standards.
7.What is the process for return or replacement of CY8C3865PVA-060?
All CY8C3865PVA-060 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C3865PVA-060, 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-060 part is unused and in its original packaging.
Return procedure for CY8C3865PVA-060:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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