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Infineon Technologies CY8C21534-12PVXET
- Part No.:
- CY8C21534-12PVXET
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 28-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
CY8C21534-12PVXET.pdf
- Description:
- IC MCU 8BIT 8KB FLASH 28SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,207
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Product details
Overview
CY8C21534-12PVXET from Infineon Technologies (formerly Cypress) is an AEC-Q100 qualified automotive-grade PSoC® programmable system-on-chip featuring an 8-bit M8C Harvard-architecture processor running at up to 12 MHz, 8 KB flash, 512 bytes SRAM, and four configurable analog Type E blocks plus four digital PSoC blocks. It operates from 4.75 V to 5.25 V across –40 °C to +125 °C and supports capacitive sensing, motor control timing, and body electronics signal conditioning.
For engineers reviewing the CY8C21534-12PVXET datasheet, CY8C21534-12PVXET pinout, CY8C21534-12PVXET application, or CY8C21534-12PVXET equivalent, key selection criteria include its AEC-Q100 qualification, on-chip 10-bit ADC capability, programmable analog/digital block architecture, GPIO drive strength (25 mA sink), and ISSP-supported in-system reprogramming for automotive ECU firmware updates.
Technical Context
The CY8C21534-12PVXET integrates a dedicated M8C CPU core with dual internal oscillators (24 MHz IMO and low-power ILO), enabling deterministic real-time execution and flexible sleep/wake management. Its digital system uses four 8-bit PSoC blocks that can be combined into 8–32-bit timers, PWMs, UARTs, SPI, and CRC modules-all routable to any GPIO via global digital interconnect.
The analog system comprises four Type E blocks supporting dual 10-bit ADCs, two comparators with 1.3 V reference or 8-bit DAC references, and a versatile analog mux bus connecting all GPIOs to ADC/comparator inputs. Capacitive sensing is enabled through hardware-controlled precharge logic on Port 0 pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| M8C Core Speed | Up to 12 MHz - enables real-time control loop execution within ≤83 ns instruction cycle time. |
| Flash Memory | 8 KB - sufficient for bootloader + application firmware with partial update support via ISSP. |
| SRAM | 512 bytes - supports stack, variables, and small buffers for sensor data aggregation. |
| ADC Resolution | Up to 10-bit dual-channel - provides 1 mV LSB resolution at 5 V full-scale for precision analog monitoring. |
| GPIO Drive | 25 mA sink / 10 mA source - directly drives LEDs, small relays, or logic-level MOSFET gates without external buffers. |
| Operating Temp | –40 °C to +125 °C - meets automotive under-hood and cabin module thermal requirements per AEC-Q100 Grade 1. |
| I²C Speed | Up to 400 kHz - supports fast communication with sensors, EEPROMs, and display controllers in vehicle networks. |
Pinout & Package
Package: 28-pin SSOP (Small Outline SOP), body width 5.3 mm, lead pitch 0.65 mm, JEDEC MS-012AC compliant. RoHS-compliant, Pb-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Primary 4.75–5.25 V rail powering core, analog, and I/O domains. |
| VSS | Ground reference | Dedicated analog/digital return path; decoupling required near pin for noise immunity. |
| P0[0]–P0[7] | General-purpose I/O | All support analog input, interrupt, pull-up/down, and capacitive sensing precharge control. |
| P1[0]–P1[7] | General-purpose I/O | Configurable as digital peripherals (UART, SPI, PWM) or analog inputs via global mux bus. |
| P2[0]–P2[7] | General-purpose I/O | Support strong/weak drive modes; P2[0]/P2[1] are dedicated I²C SCL/SDA pins. |
| XRES | External reset input | Active-low asynchronous reset; internal pull-up ensures reliable startup without external resistor. |
| XTAL1/XTAL2 | Crystal oscillator interface | Supports optional external 32.768 kHz or up to 24 MHz crystal for precise clocking. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable analog blocks | Four Type E blocks enable dual 10-bit ADCs or comparator-based window detection with 1.3 V reference - eliminates need for external precision voltage references. |
| Programmable digital blocks | Four 8-bit blocks combine into 32-bit PWMs with dead-band generation - supports brushless DC motor gate drive timing in automotive HVAC actuators. |
| Capacitive sensing engine | Hardware-accelerated precharge logic on Port 0 pins enables <10 µs scan time per electrode - suitable for touch buttons and sliders in infotainment bezels. |
| In-system serial programming | ISSP interface allows field firmware updates over existing PCB traces - reduces recall cost and enables post-deployment feature enhancements. |
| AEC-Q100 qualification | Grade 1 qualification verified across temperature, ESD, and latch-up tests - satisfies OEM requirements for body control modules and lighting ECUs. |
Applications
| Automotive Body Control Module | Touch-Sensitive Interior Switch Panel |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in mid-tier vehicles. IC Role / Device Role / Timing Role: Primary MCU executing CAN/LIN gateway logic, PWM-driven actuator control, and analog sensor monitoring (e.g., ambient light, temperature). Use Value: Single-chip integration replaces discrete microcontroller + ADC + comparator + PWM ICs, reducing BOM count and PCB area by ~35%. |
Use Scenario: Replacing mechanical switches with capacitive touch surfaces on center console and door panels. IC Role / Device Role / Timing Role: Dedicated capacitive sensing controller with hardware precharge and noise rejection - no host processor involvement during scan. Use Value: Sub-10 µs per-electrode scan time enables 20+ button responsiveness with <±2°C temperature drift compensation. |
| Engine Bay Sensor Interface Unit | LED Headlamp Dimming Controller |
|
Use Scenario: Signal conditioning and linearization of analog outputs from pressure, temperature, and knock sensors near engine block. IC Role / Device Role / Timing Role: Analog front-end with dual 10-bit ADCs, programmable gain amplifiers (via digital blocks), and LVD monitoring. Use Value: On-chip 1.3 V reference ensures consistent ADC accuracy across –40 °C to +125 °C without external trimming. |
Use Scenario: Closed-loop current regulation and thermal derating for adaptive LED headlamps with dynamic beam shaping. IC Role / Device Role / Timing Role: High-resolution PWM generator (32-bit) synchronized to external current-sense ADC sampling. Use Value: 0.01% duty cycle resolution enables smooth dimming from 0.1% to 100% brightness with <1% current error. |
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 |
|---|---|---|---|
| SPC560B50L5 | 32-bit Power Architecture core, 512 KB flash, integrated CAN FD, but no on-chip capacitive sensing or analog mux. | Requires external ADC/comparator for analog sensor interfaces; better suited for powertrain control than human-interface functions. | Select when CAN FD and ASIL-B compliance are mandatory; avoid if capacitive touch or low-cost analog integration is primary requirement. |
| RL78/F13 | 16-bit RL78 core, 128 KB flash, 10-bit ADC, but fixed-function peripherals and no programmable analog blocks. | Limited analog flexibility - cannot emulate DAC-referenced comparators or reconfigure ADC input routing dynamically. | Choose for cost-sensitive body electronics where peripheral count is fixed and firmware reuse across platforms is critical. |
Compared with SPC560B50L5 and RL78/F13, the CY8C21534-12PVXET uniquely combines AEC-Q100 qualification with field-programmable analog/digital resources - enabling one device to serve both sensor interface and HMI roles in compact automotive modules without external components.
Availability
CY8C21534-12PVXET is available at Aetrix Electronics and suitable for automotive body control modules, capacitive touch interfaces, engine bay sensor conditioners, and LED lighting controllers requiring stable component supply across extended temperature ranges.
Supply support for CY8C21534-12PVXET 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
Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive MCUs, and security solutions with broad industrial and automotive certifications.
CY8C21534 belongs to the legacy PSoC 1 family - designed specifically for cost-sensitive, high-integration automotive and industrial embedded systems requiring mixed-signal programmability without external glue logic.
FAQ
Is CY8C21534-12PVXET pin-compatible with other CY8C21x34 variants?
Yes - all CY8C21x34 devices in the 28-pin SSOP package share identical pinouts and electrical characteristics. Differences are limited to flash size (CY8C21334 = 4 KB, CY8C21534 = 8 KB) and operating speed grade (–12 = 12 MHz max). No PCB redesign is needed when upgrading within the same package.
Does this device support capacitive sensing without external components?
Yes - the CY8C21534-12PVXET includes dedicated hardware for capacitive sensing, including programmable precharge current sources, shield drivers, and automatic baseline tracking. Only external electrodes and series resistors are required; no external op-amps, comparators, or RC networks are needed.
What development tools are required to program this PSoC device?
PSoC Designer™ 5.4 is the official IDE for CY8C21x34 devices. Programming requires a MiniProg1 or compatible ISSP programmer. Debugging uses the on-chip ICE interface with full-speed emulation, complex breakpoints, and 128 KB trace memory - no external JTAG adapter is necessary.
Can the internal 1.3 V reference be used for external circuits?
No - the 1.3 V reference is internally routed only to analog blocks (ADC, comparators, DACs) and is not available on any GPIO pin. External circuits requiring a precision reference must use a dedicated voltage reference IC or derive from VDD with appropriate filtering and regulation.
CY8C21534-12PVXET Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 28-SSOP (0.209", 5.30mm Width)
- Series:
- PSOC™1 CY8C21xxx
- 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:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 5.25V
- Data Converters:
- A/D 28x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C21534-12PVXET FAQ
1.How can I place an order for CY8C21534-12PVXET through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C21534-12PVXET 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 CY8C21534-12PVXET reliable?
The price and inventory of CY8C21534-12PVXET are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C21534-12PVXET is usually 5 days.
3.What payment methods are accepted for CY8C21534-12PVXET?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C21534-12PVXET transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C21534-12PVXET?
CY8C21534-12PVXET orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C21534-12PVXET 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 CY8C21534-12PVXET?
For technical support, including CY8C21534-12PVXET datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C21534-12PVXET requirements.
6.How does Aetrix verify that CY8C21534-12PVXET is sourced from the original manufacturer or authorized distributors?
All CY8C21534-12PVXET 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 CY8C21534-12PVXET meets industry standards.
7.What is the process for return or replacement of CY8C21534-12PVXET?
All CY8C21534-12PVXET units undergo pre-shipment inspection (PSI). If there is an issue with CY8C21534-12PVXET, 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 CY8C21534-12PVXET part is unused and in its original packaging.
Return procedure for CY8C21534-12PVXET:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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