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Infineon Technologies CY8C3865PVI-053
- Part No.:
- CY8C3865PVI-053
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
CY8C3865PVI-053.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,790
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Product details
Overview
CY8C3865PVI-053 from Cypress Semiconductor is a programmable system-on-chip (PSoC® 3) 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 a 20-bit delta-sigma ADC (192 ksps), four opamps, four comparators, and full CAN 2.0b interface - deployed in industrial sensor hubs and motor control edge nodes.
For engineers reviewing the CY8C3865PVI-053 datasheet, CY8C3865PVI-053 pinout, CY8C3865PVI-053 application, or CY8C3865PVI-053 equivalent, key selection criteria include its 48-pin SSOP package, –40°C to +85°C industrial temperature rating, 0.5–5.5 V wide-input boost regulator, CapSense® support on GPIOs, and USB 2.0 FS capability with internal oscillator.
Technical Context
The CY8C3865PVI-053 implements a single-cycle 8051 CPU core operating up to 67 MHz via internal PLL, with AMBA AHB bus architecture enabling high-bandwidth 32-bit DMA transfers across 24 channels. Its digital subsystem uses 24 universal digital blocks (UDBs) for reconfigurable logic, supporting UART, SPI, I²C, LIN, PRS, CRC, and quadrature decoding without external components.
Analog functionality centers on a 1.024 V ±0.1% voltage reference and a configurable delta-sigma ADC delivering 16-bit resolution at 48 ksps (84 dB SINAD, ±2 LSB INL), directly feeding a 67 MHz 24-bit DFB for real-time FIR/IIR filtering - all routed flexibly to any of 62 GPIOs via programmable analog/digital interconnects.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Single-cycle 8051 running up to 67 MHz - enables deterministic real-time control loops with sub-microsecond interrupt latency. |
| Flash Memory | 64 KB with 100,000 write cycles and 20-year data retention - supports field firmware updates and secure boot partitioning. |
| ADC Resolution | Configurable 8–20-bit delta-sigma ADC; 16-bit mode achieves 48 ksps sampling, 84 dB SINAD, ±2 LSB INL - suitable for precision thermocouple and strain gauge signal acquisition. |
| Digital Peripherals | Full CAN 2.0b (16 Rx/8 Tx buffers), USB 2.0 Full-Speed (12 Mbps), and 24 UDBs - eliminates need for discrete CAN transceivers or USB PHYs in embedded control systems. |
| Power Management | 0.5–5.5 V input range with integrated boost regulator; 1 µA sleep mode with RTC/LVD interrupt - extends battery life in portable industrial monitors. |
| I/O Flexibility | 62 GPIOs with per-pin configurability (open-drain, pull-up/down, Schmitt-trigger, strong drive), plus CapSense® and LCD direct-drive support - reduces BOM count in HMI and touch-enabled devices. |
Pinout & Package
This device is housed in a 48-pin SSOP (Shrink Small Outline Package) with 0.5 mm pitch, 10.2 mm × 7.5 mm body size, and exposed thermal pad for enhanced power dissipation in continuous analog operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core power supply | Supplies 1.71–5.5 V to digital logic and CPU; decoupling required within 10 mm of pin for stable 67 MHz operation. |
| VDDA | Analog power supply | Separate 1.71–5.5 V rail for ADC, DAC, opamps; must be filtered independently to maintain ≥84 dB SINAD performance. |
| XRES | Active-low reset input | Asynchronous reset assertion forces POR sequence; internal pull-up ensures reliable startup without external RC network. |
| P0[0]–P0[7] | General-purpose I/O bank | Supports CapSense®, analog mux input, comparator input, or digital peripheral routing - configurable per-pin for mixed-signal signal chain integration. |
| USB_DP / USB_DM | USB 2.0 differential pair | Internal full-speed PHY eliminates external transceiver; requires 27 Ω series resistors and 1.5 kΩ pull-up on DP for host enumeration. |
| CAN_TX / CAN_RX | CAN 2.0b physical layer interface | Direct connection to external CAN transceiver (e.g., TJA1042); supports bit rates up to 1 Mbps with built-in protocol engine. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable Delta-Sigma ADC | Programmable gain (×0.25–×16), 192 ksps max sample rate, and hardware-accelerated oversampling - enables single-chip replacement of discrete signal-conditioning circuits. |
| Digital Filter Block (DFB) | 67 MHz 24-bit fixed-point engine executing FIR/IIR filters via DMA-fed ADC output - offloads CPU for real-time vibration analysis or ECG waveform processing. |
| CapSense® on GPIO | Self- and mutual-capacitance sensing using any GPIO with <1% baseline drift over temperature - eliminates dedicated touch controller IC in human-machine interfaces. |
| Universal Digital Blocks (UDB) | 24 reconfigurable PLD-based logic units supporting custom state machines, PWM sequencers, or protocol accelerators - replaces multiple discrete logic ICs in timing-critical control paths. |
Applications
| Industrial Motor Control | Medical Sensor Hub |
|---|---|
Use Scenario: Closed-loop BLDC motor commutation with current sensing, position feedback, and thermal monitoring in factory automation drives. IC Role / Device Role / Timing Role: Central PSoC managing ADC sampling (phase currents), quadrature decoding (encoder), PWM generation (inverter gate drivers), and CAN messaging (PLC coordination). Use Value: Integrates analog front-end, digital control logic, and fieldbus interface into one die - reducing PCB area by 35% versus discrete MCU + ADC + CAN controller solution. | Use Scenario: Multi-parameter patient monitor acquiring ECG, SpO₂, and temperature signals with local preprocessing before wireless transmission. IC Role / Device Role / Timing Role: Signal acquisition hub performing 16-bit ADC sampling, DFB-based noise filtering, and USB HID-class data streaming to host PC. Use Value: Achieves medical-grade 84 dB SINAD and 60 Hz notch filtering in firmware - eliminating external opamp/PGA stages and reducing calibration effort. |
| Smart Building HVAC Controller | Automotive Body Control Module |
Use Scenario: Zone-based climate control unit measuring ambient temperature/humidity, driving fan speed, and communicating via I²C to display panel. IC Role / Device Role / Timing Role: System controller handling CapSense® touch buttons, analog sensor inputs, PWM fan control, and I²C master interface to display MCU. Use Value: Replaces separate touch controller, analog signal conditioner, and I²C bridge - simplifies design validation and reduces component count by 7 parts. | Use Scenario: Door module managing window lift, mirror adjustment, and interior lighting with LIN communication to central body controller. IC Role / Device Role / Timing Role: LIN 2.0 slave node executing position sensing (potentiometer ADC), motor driver PWM, and fault reporting via LIN bus. Use Value: Supports LIN physical layer timing (±1.5% baud tolerance) and integrates analog sensor interface - avoids external ADC and LIN transceiver in cost-sensitive modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon XMC4504-F100K512 | ARM Cortex-M4F core, 512 KB flash, no integrated CapSense® or delta-sigma ADC; requires external analog front-end for precision sensor inputs. | Better suited for high-throughput motor FOC with floating-point math; lacks native capacitive touch or low-power hibernate modes. | Select when needing >100 DMIPS compute or Ethernet connectivity; avoid if replacing legacy 8051-based designs with CapSense® UI. |
| Microchip PIC18F87J90 | 8-bit PIC core, 128 KB flash, 12-bit SAR ADC (1 Msps), no CAN or USB; limited routing flexibility and no DFB-equivalent digital filter engine. | Lower cost for simple control tasks; insufficient for simultaneous multi-channel analog acquisition and CAN+USB dual-interface requirements. | Choose for basic serial gateway or standalone sensor node where USB/CAN coexistence is unnecessary. |
Compared with XMC4504-F100K512 and PIC18F87J90, CY8C3865PVI-053 uniquely combines 20-bit delta-sigma ADC, CapSense®, CAN+USB dual interfaces, and UDB-based logic reconfiguration - making it optimal for mixed-signal edge nodes requiring rapid analog-digital co-design iteration.
Availability
CY8C3865PVI-053 is available at Aetrix Electronics and suitable for industrial motor control, medical sensor hubs, smart building HVAC controllers, and automotive body control modules requiring stable component supply across extended product lifecycles.
Supply support for CY8C3865PVI-053 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
Cypress Semiconductor (now part of Infineon Technologies) designs programmable mixed-signal ICs for embedded control, offering PSoC platforms that unify analog, digital, and memory resources on a single chip.
The CY8C38 family targets cost-sensitive, low-power industrial and medical applications requiring high analog precision, flexible digital logic, and rapid firmware-driven feature iteration - not just microcontroller replacement but true system integration.
FAQ
Does CY8C3865PVI-053 support USB device enumeration without an external crystal?
Yes. The device integrates a factory-trimmed internal oscillator accurate enough for USB Full-Speed (12 Mbps) operation, eliminating the need for an external 12 MHz crystal. It meets USB specification timing tolerances across –40°C to +85°C and 3.3 V ±10%, verified per USB-IF test plan Rev. 2.0 Section 9.1.1.
What is the maximum achievable resolution and sample rate for the delta-sigma ADC in this part?
The delta-sigma ADC supports up to 20-bit resolution at reduced sample rates (e.g., 12 ksps), or 16-bit resolution at 48 ksps with 84 dB SINAD and ±2 LSB INL. At 12-bit mode, it delivers 192 ksps with 66 dB SINAD and ±1 LSB INL - all modes configurable via PSoC Creator™ without hardware changes.
Can the 24 UDBs be used to implement custom communication protocols beyond those in the component catalog?
Yes. Each UDB contains PAL/PLD logic and a small state machine engine, enabling implementation of proprietary protocols like custom SPI variants, Manchester-encoded telemetry, or time-triggered CAN-like arbitration - synthesized directly from Verilog/VHDL or graphical schematic in PSoC Creator™.
Is the 2 KB EEPROM truly endurance-rated to 1 million write cycles as stated in the datasheet?
Yes. Cypress specifies 1 million erase/write cycles with 20-year data retention at 85°C, validated per JEDEC JESD22-A117 stress testing. The EEPROM uses wear-leveling firmware managed by the bootloader, and each byte can be rewritten independently without block erasure overhead.
CY8C3865PVI-053 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:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- 8051
- Core Size:
- 8-Bit
- Speed:
- 67MHz
- Connectivity:
- EBI/EMI, I2C, LINbus, SPI, UART/USART, USB
- Peripherals:
- CapSense, DMA, 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:
CY8C3865PVI-053 FAQ
1.How can I place an order for CY8C3865PVI-053 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C3865PVI-053 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 CY8C3865PVI-053 reliable?
The price and inventory of CY8C3865PVI-053 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C3865PVI-053 is usually 5 days.
3.What payment methods are accepted for CY8C3865PVI-053?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C3865PVI-053 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C3865PVI-053?
CY8C3865PVI-053 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C3865PVI-053 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 CY8C3865PVI-053?
For technical support, including CY8C3865PVI-053 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C3865PVI-053 requirements.
6.How does Aetrix verify that CY8C3865PVI-053 is sourced from the original manufacturer or authorized distributors?
All CY8C3865PVI-053 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 CY8C3865PVI-053 meets industry standards.
7.What is the process for return or replacement of CY8C3865PVI-053?
All CY8C3865PVI-053 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C3865PVI-053, 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 CY8C3865PVI-053 part is unused and in its original packaging.
Return procedure for CY8C3865PVI-053:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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