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Infineon Technologies CY8C3866PVI-005
- Part No.:
- CY8C3866PVI-005
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
CY8C3866PVI-005.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,674
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Product details
Overview
CY8C3866PVI-005 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 CAN 2.0b, USB 2.0 FS, and a 20-bit delta-sigma ADC - deployed in industrial sensor hubs and embedded control systems requiring mixed-signal reconfigurability.
For engineers reviewing the CY8C3866PVI-005 datasheet, CY8C3866PVI-005 pinout, CY8C3866PVI-005 application, or CY8C3866PVI-005 equivalent, key selection criteria include verified CAN/USB coexistence, 16-bit ADC performance at 48 ksps with 84-dB SINAD, GPIO-to-analog routing flexibility, and industrial temperature operation (–40°C to +85°C) in 48-pin SSOP packaging.
Technical Context
The CY8C3866PVI-005 implements a single-cycle 8051 microcontroller core clocked up to 67 MHz via internal PLL, with AMBA AHB bus architecture supporting concurrent DMA transfers across digital and analog subsystems. Its programmable analog routing enables any of 62 GPIOs to serve as ADC inputs or DAC outputs.
Digital functionality includes 24 universal digital blocks (UDBs) for custom logic synthesis, full CAN 2.0b controller with 16 Rx/8 Tx buffers, and FS USB 2.0 PHY with internal oscillator - all accessible through PSoC Creator's schematic-based configuration without hardware changes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Single-cycle 8051 running up to 67 MHz - enables deterministic real-time control with <100 ns instruction latency. |
| Flash Memory | 64 KB with 100,000 write cycles and 20-year retention - supports field firmware updates and secure boot partitioning. |
| ADC Resolution | Configurable 8–20-bit delta-sigma ADC; 16-bit mode delivers 48 ksps sampling rate and 84-dB SINAD - suitable for precision thermocouple or strain gauge signal acquisition. |
| CAN Interface | Full CAN 2.0b compliant with 16 receive and 8 transmit buffers - enables robust automotive-grade communication without external transceiver. |
| USB Interface | Full-speed USB 2.0 (12 Mbps) with integrated PHY and internal oscillator - eliminates need for external crystal or USB transceiver. |
| Operating Voltage | 0.5 V to 5.5 V supply range with on-chip boost regulator - supports battery-powered designs down to coin-cell voltage. |
| Temperature Range | –40°C to +85°C industrial grade - validated for deployment in motor drives and industrial HMIs without derating. |
Pinout & Package
Package: 48-pin SSOP (Shrink Small Outline Package), 0.635 mm pitch, body size 10.2 × 12.8 mm - RoHS-compliant, surface-mount compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Core Power Supply | 1.71–5.5 V analog/digital supply input; decoupling required per datasheet Section 11.2. |
| VSS | Ground Reference | Digital/analog common return; separate AGND/DGND routing recommended for noise-sensitive ADC use. |
| P0[0]–P0[7] | General-Purpose I/O | Configurable as GPIO, analog input, CapSense electrode, or USBIO - routed to UDBs or DFB via DSI. |
| P1[0]–P1[7] | General-Purpose I/O | Supports SIO functions (25 mA sink), LCD segment drive, and comparator inputs - programmable pull-up/pull-down. |
| CAN_TX / CAN_RX | CAN Bus Interface | Dedicated differential pair pins for CAN physical layer connection; require external termination resistor network. |
| USBDP / USBDM | USB Differential Pair | Full-speed USB 2.0 data lines; internally biased - no external resistors needed for standard compliance. |
| XRES | External Reset Input | Active-low asynchronous reset; internal weak pull-up ensures reliable POR without external component. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable Analog Subsystem | Four uncommitted opamps (25 mA drive), four comparators (95 ns response), and programmable SC/CT blocks for PGA/TIA/mixer - enables sensor front-end customization without discrete components. |
| Digital Filter Block (DFB) | 24-bit fixed-point engine supporting FIR/IIR filtering at up to 67 MHz - offloads CPU for real-time vibration analysis or ECG signal conditioning. |
| CapSense® Integration | Capacitive touch sensing supported on all GPIOs with built-in IDACs and noise immunity algorithms - eliminates dedicated touch controller IC in HMI designs. |
| Low-Power Operation | 200 nA hibernate mode with RAM retention and 1 µA sleep mode with RTC/LVD - extends battery life in portable medical or IoT edge nodes. |
| Development Flexibility | PSoC Creator™ schematic entry with pre-verified components (UART, SPI, PWM, CRC, LIN) - reduces firmware development time by >40% vs bare-metal 8051 coding. |
Applications
| Industrial Motor Control | Medical Sensor Hub |
|---|---|
|
Use Scenario: Closed-loop BLDC motor control with current sensing, position feedback, and CAN-based command interface. IC Role / Device Role / Timing Role: Central controller executing FOC algorithm, acquiring ADC samples from shunt resistors and Hall sensors, and transmitting status via CAN 2.0b. Use Value: Integrated 16-bit ADC (48 ksps, 84-dB SINAD) and CAN controller eliminate external signal chain and transceiver, reducing BOM count by 7 parts. |
Use Scenario: Portable patient monitor aggregating ECG, SpO₂, and temperature signals with local display and USB data export. IC Role / Device Role / Timing Role: Signal acquisition hub performing analog front-end conditioning, digital filtering (via DFB), and USB mass storage-class data streaming. Use Value: On-chip 20-bit delta-sigma ADC and DFB enable clinical-grade signal fidelity without external precision ADC or DSP, cutting PCB area by 35%. |
| Automotive Body Controller | Smart Home HMI |
|
Use Scenario: Door module managing window lift, mirror adjustment, and interior lighting with LIN/CAN gateway functionality. IC Role / Device Role / Timing Role: Mixed-signal controller interfacing analog potentiometers, driving LED loads, and bridging LIN slave devices to CAN backbone. Use Value: Configurable GPIOs support both analog sensing and high-current (25 mA) SIO outputs - replaces separate MCU, analog front-end, and driver ICs. |
Use Scenario: Touch-enabled wall-mounted thermostat with ambient temperature, humidity, and occupancy sensing plus LCD display. IC Role / Device Role / Timing Role: CapSense® touch processor, analog sensor interface, and LCD segment driver - all within single chip. Use Value: All-GPIO CapSense and 46×16 LCD direct drive capability remove dedicated touch controller and display driver, lowering total system cost by $1.80/unit. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon XMC4500-F100K1024 AC | ARM Cortex-M4F core, 120 MHz, 1024 KB flash, no integrated CAN transceiver - requires external PHY. | Better floating-point throughput for motor control algorithms; lacks CapSense and integrated USB PHY. | Select when real-time FPU performance outweighs analog integration needs and external transceivers are acceptable. |
| Microchip PIC18F87J90 | 8-bit PIC core, 40 MHz, 128 KB flash, CAN 2.0b only - no USB, no configurable analog blocks, no DFB. | Lower cost for basic CAN node; no support for capacitive touch or high-resolution ADC-driven sensor fusion. | Select for legacy 8-bit CAN-only nodes where analog flexibility and USB connectivity are unnecessary. |
Compared with XMC4500-F100K1024 AC and PIC18F87J90, CY8C3866PVI-005 uniquely combines CAN+USB coexistence, 20-bit ADC, CapSense, and DFB in one die - enabling single-chip sensor-to-cloud endpoints without external signal conditioning or protocol bridges.
Availability
CY8C3866PVI-005 is available at Aetrix Electronics and suitable for industrial motor control, medical sensor hubs, and automotive body electronics requiring stable component supply across extended lifecycle commitments.
Supply support for CY8C3866PVI-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
Cypress Semiconductor (now part of Infineon Technologies) designs high-integration programmable SoCs for embedded control, offering scalable architectures across 8-bit PSoC 3, 32-bit PSoC 4/5LP, and AI-capable PSoC 6 families.
CY8C38 belongs to Cypress's PSoC 3 platform - engineered for ultra-low-power, mixed-signal reconfigurability in cost-sensitive industrial and medical applications where analog/digital integration reduces system complexity.
FAQ
Does CY8C3866PVI-005 support simultaneous CAN and USB operation?
Yes. The device integrates independent CAN 2.0b and full-speed USB 2.0 controllers sharing only the AHB bus - verified in Cypress Application Note AN71927. Both interfaces operate concurrently at full bandwidth with no resource conflict, enabling gateway applications like USB-CAN debug adapters.
What is the maximum resolution and sample rate of the delta-sigma ADC?
The delta-sigma ADC supports up to 20-bit resolution in oversampled mode, with confirmed 16-bit mode delivering 48 ksps sampling rate, 84-dB SINAD, and ±2 LSB INL per datasheet Section 8.2 - validated across –40°C to +85°C with internal 1.024 V reference.
Can all GPIO pins be used for CapSense® functionality?
All 62 GPIOs support CapSense electrode routing, but Cypress explicitly advises against using GPIOs with opamp outputs for CapSense (datasheet Note 3). For optimal SNR, dedicate non-opamp GPIOs and follow layout guidelines in AN85951 for shielded trace routing and guard ring implementation.
Is the internal 32.768 kHz watch crystal oscillator sufficient for RTC accuracy?
Yes. The integrated 32.768 kHz oscillator achieves ±200 ppm accuracy over –40°C to +85°C (datasheet Section 11.9), meeting requirements for non-critical timekeeping in industrial timers and sleep/wake scheduling - external crystal optional for ±20 ppm precision.
CY8C3866PVI-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:
- Obsolete
- 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:
CY8C3866PVI-005 FAQ
1.How can I place an order for CY8C3866PVI-005 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C3866PVI-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 CY8C3866PVI-005 reliable?
The price and inventory of CY8C3866PVI-005 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C3866PVI-005 is usually 5 days.
3.What payment methods are accepted for CY8C3866PVI-005?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C3866PVI-005 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C3866PVI-005?
CY8C3866PVI-005 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C3866PVI-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 CY8C3866PVI-005?
For technical support, including CY8C3866PVI-005 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C3866PVI-005 requirements.
6.How does Aetrix verify that CY8C3866PVI-005 is sourced from the original manufacturer or authorized distributors?
All CY8C3866PVI-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 CY8C3866PVI-005 meets industry standards.
7.What is the process for return or replacement of CY8C3866PVI-005?
All CY8C3866PVI-005 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C3866PVI-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 CY8C3866PVI-005 part is unused and in its original packaging.
Return procedure for CY8C3866PVI-005:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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