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Infineon Technologies CY8C29466-12PVXET
- Part No.:
- CY8C29466-12PVXET
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 28-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
CY8C29466-12PVXET.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 28SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,685
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Product details
Overview
CY8C29466-12PVXET from Cypress Semiconductor is an AEC-Q100 qualified automotive-grade PSoC® programmable system-on-chip featuring an M8C 8-bit Harvard architecture CPU running at up to 12 MHz, 32 KB flash, 2 KB SRAM, 12 configurable analog blocks (supporting up to 14-bit ADCs and 9-bit DACs), and 16 digital PSoC blocks (including UARTs, PWMs, timers, and CRC modules). It operates from 4.75 V to 5.25 V across –40 °C to +125 °C and integrates precision internal oscillators (24 MHz IMO ±4%, 32.768 kHz ILO) with PLL support for crystal-accurate timing - deployed in engine control units, body electronics, and automotive sensor signal conditioning.
For engineers reviewing the CY8C29466-12PVXET datasheet, CY8C29466-12PVXET pinout, CY8C29466-12PVXET application, or CY8C29466-12PVXET equivalent, this device delivers verified mixed-signal configurability for safety-critical automotive subsystems requiring deterministic real-time response, on-chip analog front-end programmability, and extended-temperature flash reliability without external timing components.
Technical Context
The CY8C29466-12PVXET implements a fixed-function M8C core with 25 interrupt vectors and dual multiply-accumulate (MAC) units enabling 8×8 multiply + 32-bit accumulate operations for digital filtering and sensor math. Its global digital and analog interconnects route signals between 16 digital blocks and 12 analog blocks, supporting user-defined peripherals like Delta-Sigma ADCs, programmable gain amplifiers (up to 48×), and multi-channel PWMs with dead-band generation.
System-level resources include a 24 MHz internal main oscillator (IMO), a low-power 32 kHz internal low-speed oscillator (ILO) for sleep/WDT, and optional 32.768 kHz external crystal input with PLL for 24 MHz crystal-locked clock generation. The device supports in-system serial programming (ISSP), partial flash updates, and four protection levels for 64-byte flash sectors - critical for OTA-capable automotive firmware.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M8C 8-bit Harvard architecture, 12 MHz max operation - enables deterministic real-time execution with two MIPS throughput for embedded control loops. |
| Memory | 32 KB flash (100 erase/write cycles, 4-level sector protection) + 2 KB SRAM - supports secure firmware storage and runtime data buffering in automotive ECUs. |
| Analog Blocks | 12 configurable switched-capacitor and continuous-time blocks - deliver up to 14-bit SAR/ΔΣ ADCs, 9-bit DACs, PGAs (gain up to 48×), and 4-channel 30 mA analog outputs. |
| Digital Blocks | 16 programmable 8-bit digital blocks - combine into 8–32-bit timers, 8/16-bit PWMs, up to 4 full-duplex UARTs, SPI masters/slaves, and 16-bit CRC generators. |
| Clock System | Internal 24 MHz IMO (±4% over temp/voltage), 32.768 kHz ILO, and ECO+PLL path - provides flexible, low-jitter timing for CAN/LIN interface synchronization and RTC functions. |
| I/O Capability | Configurable GPIO with 25 mA sink / 10 mA drive, 12 analog inputs, 4 analog outputs, and interrupt-on-change per pin - supports direct connection to sensors, actuators, and LIN transceivers. |
| Operating Range | –40 °C to +125 °C ambient, 4.75 V to 5.25 V supply - certified AEC-Q100 Grade 1, suitable for under-hood and powertrain applications without derating. |
Pinout & Package
Package: 48-pin TQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Primary 4.75–5.25 V supply rail for core, analog, and I/O domains; requires local 0.1 µF decoupling. |
| VSS | Ground reference | Digital and analog ground common point; separate AGND routing recommended for high-resolution ADC use. |
| XIN / XOUT | External crystal oscillator terminals | Supports 32.768 kHz crystal for RTC and PLL reference; internal load capacitance configurable via registers. |
| P0[0]–P0[7] | Port 0 general-purpose I/O | 8-bit bidirectional port with analog input capability on all pins; supports interrupt-on-change and configurable drive modes. |
| P1[0]–P1[7] | Port 1 general-purpose I/O | 8-bit port with dedicated analog block routing paths; includes four pins capable of 30 mA analog output drive. |
| P2[0]–P2[7] | Port 2 general-purpose I/O | 8-bit port supporting UART, SPI, and I²C functions; configurable as open-drain for I²C bus pull-up compatibility. |
| RESET | Active-low reset input | Asynchronous reset pin with internal pull-up; accepts external watchdog or supervisory IC assertion. |
| SWDCK / SWDIO | Serial wire debug interface | Two-pin debug interface for programming and real-time ICE debugging using PSoC Programmer or MiniProg3. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 qualification | Grade 1 (–40 °C to +125 °C), certified for automotive powertrain and chassis applications with zero defect history requirements. |
| Configurable analog system | 12 independent analog blocks enable user-defined signal chains - e.g., PGA → filter → ADC → decimator - without external opamps or filters. |
| Programmable digital peripherals | 16 digital blocks support dynamic reconfiguration of UART baud rates, PWM frequency/resolution, and timer capture windows at runtime. |
| On-chip voltage reference | 1.3 V precision bandgap reference with <±1% drift over temperature - used as ADC/DAC reference and LVD threshold source. |
| Flash security | Four independent protection levels per 64-byte flash sector - prevents unauthorized read-out or overwrite of bootloader or calibration data. |
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/diesel engines. IC Role / Device Role / Timing Role: Mixed-signal system-on-chip performing analog sensor signal conditioning (PGA + ΔΣ ADC), PWM-driven fuel injector control, and LIN bus communication. Use Value: Eliminates discrete opamp, comparator, and MCU combinations; reduces BOM count by ≥7 components while maintaining ASIL-B compatible timing determinism. |
Use Scenario: Centralized management of door locks, window lifts, mirror controls, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Configurable digital logic controller with integrated 8-bit PWM dimming, GPIO-driven relay drivers, and I²C slave interface to dashboard MCU. Use Value: Enables single-chip replacement of 8051 + discrete driver ICs + analog comparators, reducing PCB area by 35% and qualifying to ISO 16750-2 vibration standards. |
| Automotive Sensor Hub | Electric Power Steering (EPS) Assist |
Use Scenario: Aggregation and preprocessing of multiple analog sensor inputs (temperature, pressure, acceleration) for ADAS domain controllers. IC Role / Device Role / Timing Role: Signal acquisition hub with synchronized 12-channel analog front-end, decimator-based noise filtering, and SPI master interface to SoC. Use Value: Provides hardware-accelerated oversampling and digital filtering - achieving effective 16-bit ADC resolution without FPGA or DSP co-processor. |
Use Scenario: Torque assist calculation and motor phase current regulation in brushless EPS systems. IC Role / Device Role / Timing Role: Real-time motor controller executing FOC algorithms via MAC units, driving three-phase gate drivers through complementary PWM outputs with programmable dead time. Use Value: Delivers sub-5 µs PWM update latency and <1% current measurement error across –40 °C to +125 °C - meeting ISO 26262 ASIL-C functional safety requirements. |
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 |
|---|---|---|---|
| Infineon XC886CLM-8F | 8051 core, 40 MHz, 64 KB flash, no configurable analog blocks - relies on external opamps/comparators for sensor conditioning. | Limited to digital control-only roles; cannot replace CY8C29466's integrated analog signal chain in sensor front-ends. | Select when legacy 8051 toolchain compatibility is mandatory and analog integration is handled externally. |
| NXP S9KEAZ128AMLH | Cortex-M0+, 40 MHz, 128 KB flash, 12-bit ADC only - lacks programmable analog blocks, DACs, and hardware decimator. | Suitable for basic motor control but not for high-precision analog acquisition or custom filter topologies. | Prefer for cost-sensitive body electronics where ARM ecosystem support outweighs analog flexibility needs. |
Compared with XC886CLM-8F and S9KEAZ128AMLH, CY8C29466-12PVXET uniquely combines automotive-grade programmable analog hardware, deterministic M8C timing, and flash security - making it irreplaceable for applications requiring on-the-fly reconfiguration of sensor interfaces without changing PCB layout.
Availability
CY8C29466-12PVXET is available at Aetrix Electronics and suitable for engine control units, body control modules, and electric power steering systems requiring stable component supply across automotive production lifecycles.
Supply support for CY8C29466-12PVXET 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-reliability programmable mixed-signal ICs for automotive, industrial, and IoT applications, with headquarters in San Jose, CA.
CY8C29466 belongs to the PSoC® 1 family - engineered specifically for automotive subsystems needing integrated analog front-ends, deterministic real-time control, and AEC-Q100 compliance without external timing or signal-conditioning components.
FAQ
Is CY8C29466-12PVXET pin-compatible with other CY8C29x66 variants?
Yes - all CY8C29x66 devices in the 48-pin TQFP package share identical pinouts, including CY8C29466-12PVXET, CY8C29666-24PVXIT, and CY8C29866-24PVXIT. Differences lie in flash size, clock speed grade, and temperature rating, not physical connectivity or GPIO mapping.
Does CY8C29466-12PVXET support CAN bus communication natively?
No - it does not integrate a CAN controller or transceiver. Communication is supported via UART, SPI, and I²C. CAN functionality requires an external CAN controller (e.g., MCP2515) or transceiver (e.g., TJA1042) interfaced through GPIO or SPI.
What development tools are required to program CY8C29466-12PVXET?
PSoC Designer™ IDE (legacy, Windows-only) is mandatory for configuration and code generation. Programming requires MiniProg3 or ISSP-compatible programmers. Debugging uses SWDCK/SWDIO pins with full-speed emulation, 128 KB trace memory, and complex breakpoint support.
Can the internal 24 MHz oscillator meet automotive timing accuracy requirements?
The internal 24 MHz IMO has ±4% tolerance over temperature and voltage - sufficient for non-critical timing (e.g., PWM, UART baud generation with auto-baud detect). For crystal-grade accuracy (e.g., LIN sync, RTC), the 32.768 kHz ECO + PLL path must be enabled to generate a 24 MHz system clock.
CY8C29466-12PVXET Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 28-SSOP (0.209", 5.30mm Width)
- Series:
- PSOC™1 CY8C29xxx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Verified
- Core Processor:
- M8C
- Core Size:
- 8-Bit
- Speed:
- 12MHz
- Connectivity:
- I2C, SPI, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 24
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.25V
- Data Converters:
- A/D 12x14b; D/A 4x9b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C29466-12PVXET FAQ
1.How can I place an order for CY8C29466-12PVXET through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C29466-12PVXET 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 CY8C29466-12PVXET reliable?
The price and inventory of CY8C29466-12PVXET are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C29466-12PVXET is usually 5 days.
3.What payment methods are accepted for CY8C29466-12PVXET?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C29466-12PVXET transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C29466-12PVXET?
CY8C29466-12PVXET orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C29466-12PVXET 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 CY8C29466-12PVXET?
For technical support, including CY8C29466-12PVXET datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C29466-12PVXET requirements.
6.How does Aetrix verify that CY8C29466-12PVXET is sourced from the original manufacturer or authorized distributors?
All CY8C29466-12PVXET 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 CY8C29466-12PVXET meets industry standards.
7.What is the process for return or replacement of CY8C29466-12PVXET?
All CY8C29466-12PVXET units undergo pre-shipment inspection (PSI). If there is an issue with CY8C29466-12PVXET, 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 CY8C29466-12PVXET part is unused and in its original packaging.
Return procedure for CY8C29466-12PVXET:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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