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Infineon Technologies CY8C3446PVE-082
- Part No.:
- CY8C3446PVE-082
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-BSSOP (0.295", 7.50mm Width)
- Datasheet:
-
CY8C3446PVE-082.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 48SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,289
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Product details
Overview
CY8C3446PVE-082 from Cypress Semiconductor 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, full CAN 2.0b interface (16 Rx/8 Tx), USB 2.0 Full-Speed peripheral, and configurable analog/digital peripherals - all in a 100-pin TQFP package rated for –40 °C to +125 °C operation.
For engineers reviewing the CY8C3446PVE-082 datasheet, CY8C3446PVE-082 pinout, CY8C3446PVE-082 application, or CY8C3446PVE-082 equivalent, key selection considerations include its dual-domain I/O voltage support (1.2–5.5 V), delta-sigma ADC with 12-bit resolution and 192 ksps sample rate, 25 mA SIO sink capability, CapSense® compatibility on GPIOs, and integrated PLL clock generation up to 50 MHz.
Technical Context
The CY8C3446PVE-082 implements a single-cycle 8051 microcontroller core with 50 MHz maximum operation, 512-byte flash cache, and ECC-protected flash configuration storage. Its digital subsystem comprises 24 universal digital blocks (UDBs) supporting programmable logic, timers, PWMs, CRC, PRS, LIN, and quadrature decoding via DSI routing.
Analog resources include a 1.024 V ±0.1% internal reference, delta-sigma ADC (8–12-bit, 192 ksps, 66 dB SINAD), four comparators (95 ns response), two opamps (25 mA drive), four DACs (8-bit IDAC/VDAC), and two multifunction SC/CT blocks configurable as PGA, TIA, mixer, or sample-and-hold - all routable to any of 62 GPIOs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Single-cycle 8051 running up to 50 MHz; enables deterministic real-time control with multiply/divide instructions. |
| 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 memory. |
| ADC | Configurable delta-sigma ADC: 12-bit mode @ 192 ksps, 66 dB SINAD, ±1 LSB INL/DNL; suitable for high-accuracy sensor signal acquisition. |
| DAC | Four 8-bit DACs: 8-Msps current-output (IDAC) or 1-Msps voltage-output (VDAC); enables fast actuator control or reference generation. |
| Communication | Full CAN 2.0b (16 Rx/8 Tx buffers), USB 2.0 FS (12 Mbps), I²C multimaster, SPI, UART; meets automotive network interface requirements. |
| Power | 1.71–5.5 V supply range; 1 µA sleep mode with RTC/LVD interrupt, 200 nA hibernate with RAM retention; supports ultra-low-power vehicle subsystems. |
| I/O | 62 GPIOs + 8 SIO + 2 USBIO; any GPIO supports CapSense®, LCD drive (46×16), analog routing, or Schmitt-trigger input; 25 mA sink on SIO pins. |
Pinout & Package
Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, rated for –40 °C to +125 °C extended automotive temperature range.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O Power Domain Supply | Four independent 1.2–5.5 V I/O voltage domains enable mixed-voltage interfacing (e.g., 1.8 V logic with 5 V sensors). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | General-Purpose I/O | All 62 GPIOs support analog input/output, CapSense®, LCD segment/common, and configurable drive strength/pull-up/down. |
| SIO0–SIO7 | Special Input/Output | High-current (25 mA sink) pins with enhanced ESD protection; used for critical actuator drivers or high-noise environments. |
| USB_DP / USB_DM | USB 2.0 Full-Speed Interface | Dedicated differential pair with integrated PHY; requires no external transceiver for USB peripheral functionality. |
| CAN_TX / CAN_RX | CAN 2.0b Physical Layer Interface | Direct connection to external CAN transceiver; supports 1 Mbps operation with hardware message filtering and buffering. |
| XRES | External Reset Input | Active-low asynchronous reset pin with internal pull-up; enables system-level reset coordination and watchdog recovery. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable UDB Array (24 blocks) | Enables custom digital logic (e.g., protocol engines, state machines) without FPGA complexity or ASIC NRE cost. |
| Delta-sigma ADC with Programmable Gain (×0.25–×16) | Supports direct thermocouple, RTD, and bridge sensor interfaces across DC–192 kHz bandwidth with <100 µV offset. |
| CapSense® on Any GPIO | Eliminates dedicated touch controller ICs; enables capacitive buttons, sliders, and proximity sensing using standard I/O pins. |
| Integrated USB 2.0 FS PHY | Reduces BOM count and PCB area; allows firmware updates, diagnostics, and host communication without external USB transceiver. |
| Automotive-Grade Clocking | Includes 32.768 kHz RTC oscillator, ±1% IMO over temp/voltage, and crystal oscillator support for timing-critical CAN/USB synchronization. |
Applications
| Automotive Body Control Module | Industrial Sensor Hub |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in modern vehicles. IC Role / Device Role / Timing Role: Main MCU executing real-time CAN messaging, analog sensor monitoring (e.g., ambient light, humidity), and PWM motor control. Use Value: Integrates CAN 2.0b, 12-bit ADC, and 25 mA SIO drivers in one die - eliminating discrete level shifters, transceivers, and driver ICs. |
Use Scenario: Aggregating and preprocessing signals from multiple analog sensors (pressure, temperature, vibration) in factory automation systems. IC Role / Device Role / Timing Role: Signal acquisition node with simultaneous 12-bit ADC sampling, digital filtering via UDBs, and SPI/I²C data forwarding. Use Value: Delta-sigma ADC's 66 dB SINAD and programmable gain enable direct connection to millivolt-level transducers without external signal conditioning. |
| Smart HVAC Controller | Medical Patient Monitor Front-End |
|
Use Scenario: Embedded climate control unit managing fan speed, valve position, and air quality feedback in automotive or building systems. IC Role / Device Role / Timing Role: Mixed-signal controller handling CapSense® user interface, thermistor/NTC readings, and multi-channel PWM fan control. Use Value: Single-chip integration of CapSense®, 12-bit ADC, and 8-Msps IDACs reduces component count and improves EMI resilience in noisy HVAC environments. |
Use Scenario: Low-power front-end for portable ECG or pulse oximetry devices requiring precision biopotential amplification and digitization. IC Role / Device Role / Timing Role: Analog signal conditioner and digitizer using SC/CT blocks as TIAs, PGA stages, and delta-sigma ADC for biometric signal chain. Use Value: On-die 25 mA opamps and <100 µV ADC offset allow direct electrode interfacing with minimal external components and calibrated baseline stability. |
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 XMC4504-F100K1024 AC | ARM Cortex-M4F core, 120 MHz, 1024 KB flash, no integrated CAN transceiver PHY; requires external CAN driver. | Lacks CapSense® and analog configurability; better suited for high-throughput motor control than sensor-rich UI applications. | Select when floating-point math, Ethernet, or higher clock speed outweighs need for on-chip analog flexibility and touch integration. |
| NXP S32K144HAT0MLHT | ARM Cortex-M4F, 112 MHz, 1 MB flash, AEC-Q100 Grade 1, includes CAN FD and FlexIO; no integrated delta-sigma ADC or CapSense®. | Optimized for powertrain and chassis control; lacks the fine-grained analog configurability needed for precision sensor front-ends. | Prefer for CAN FD networks and ASIL-B functional safety compliance where mixed-signal programmability is secondary to communication robustness. |
Compared with XMC4504-F100K1024 AC and S32K144HAT0MLHT, CY8C3446PVE-082 delivers unique value in applications requiring concurrent high-resolution analog acquisition, capacitive touch, and automotive CAN - all within a single low-power, AEC-Q100 qualified chip without external signal conditioning.
Availability
CY8C3446PVE-082 is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, smart HVAC controllers, and medical device front-ends requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C3446PVE-082 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-performance, programmable mixed-signal ICs for automotive, industrial, and consumer applications, with emphasis on integration, reliability, and development efficiency.
The CY8C34 Automotive Family targets AEC-Q100-compliant embedded systems needing reconfigurable analog/digital peripherals, real-time control, and automotive networking - enabling rapid prototyping and late-stage firmware-based design iteration.
FAQ
Is CY8C3446PVE-082 pin-compatible with other CY8C34 family members?
Yes - it shares the 100-pin TQFP footprint and I/O mapping with CY8C3446LTI-082 and CY8C3446AXI-082, differing only in temperature grade and internal flash configuration. Pin functions, power domains, and peripheral routing remain identical across the PVE/LTI/AXI variants.
Does CY8C3446PVE-082 support USB device enumeration without external crystal?
Yes - its internal 48 MHz IMO (Internal Main Oscillator) is factory-trimmed to ±2% accuracy and fully USB 2.0 Full-Speed certified (TID#40770053), enabling plug-and-play enumeration without external crystal or oscillator components.
Can the delta-sigma ADC perform simultaneous sampling on multiple channels?
No - the single delta-sigma ADC core supports sequential sampling across up to 62 GPIO-routed inputs via internal analog mux, but not true simultaneous sampling. For synchronized acquisition, external analog front-ends or time-interleaved firmware sequencing is required.
What debug interfaces does CY8C3446PVE-082 support?
It supports JTAG (4-wire), Serial Wire Debug (SWD, 2-wire), and Single Wire Viewer (SWV) for real-time trace, with eight address breakpoints, one data breakpoint, and a 4 KB instruction trace buffer - enabling full visibility into code execution and peripheral register states during development.
CY8C3446PVE-082 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-BSSOP (0.295", 7.50mm Width)
- Series:
- PSOC™ 3 CY8C34xx
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 8051
- Core Size:
- 8-Bit
- Speed:
- 50MHz
- 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 16x12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C3446PVE-082 FAQ
1.How can I place an order for CY8C3446PVE-082 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C3446PVE-082 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 CY8C3446PVE-082 reliable?
The price and inventory of CY8C3446PVE-082 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C3446PVE-082 is usually 5 days.
3.What payment methods are accepted for CY8C3446PVE-082?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C3446PVE-082 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C3446PVE-082?
CY8C3446PVE-082 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C3446PVE-082 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 CY8C3446PVE-082?
For technical support, including CY8C3446PVE-082 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C3446PVE-082 requirements.
6.How does Aetrix verify that CY8C3446PVE-082 is sourced from the original manufacturer or authorized distributors?
All CY8C3446PVE-082 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 CY8C3446PVE-082 meets industry standards.
7.What is the process for return or replacement of CY8C3446PVE-082?
All CY8C3446PVE-082 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C3446PVE-082, 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 CY8C3446PVE-082 part is unused and in its original packaging.
Return procedure for CY8C3446PVE-082:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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