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Infineon Technologies CY9BF429TABGL-GK7E1
- Part No.:
- CY9BF429TABGL-GK7E1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 192-LFBGA
- Datasheet:
-
CY9BF429TABGL-GK7E1.pdf
- Description:
- IC MCU 32B 1.5625MB FLSH 192FBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,907
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Product details
Overview
CY9BF429TABGL-GK7E1 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 1.5 MB dual-bank Flash, 192 KB SRAM (96 KB ×2), 60 MHz max CPU frequency, CAN 2.0A/B interface, and 154 GPIOs in a 176-pin LQFP package-designed for industrial motor control and embedded automation systems requiring real-time responsiveness and low-power operation.
For engineers reviewing the CY9BF429TABGL-GK7E1 datasheet, CY9BF429TABGL-GK7E1 pinout, CY9BF429TABGL-GK7E1 application, or CY9BF429TABGL-GK7E1 equivalent, key selection criteria include dual-bank Flash security, integrated CAN transceiver support, 12-bit ADC with 1.0 µs conversion time, RTC with leap-year handling, and six low-power modes including Deep Standby RTC with RAM retention.
Technical Context
The CY9BF429TABGL-GK7E1 implements an Arm Cortex-M3 r2p1 core with NVIC supporting 48 peripheral interrupts and 16 priority levels, coupled with a 24-bit SysTick timer for RTOS scheduling. Its memory subsystem includes dual-operation Flash enabling read-while-write and secure code protection, plus two independent SRAM banks (SRAM0 on I/D bus, SRAM1 on system bus) to reduce bus contention.
Peripheral integration centers on deterministic real-time control: dual 12-bit ADCs with FIFO and priority scanning, two 10-bit R-2R DACs, up to 16-channel base timers with PWM/PPG/reload modes, QPRC for encoder position tracking, and HDMI-CEC/remote reception with automatic ACK and repeat-code detection-enabling single-chip implementation of motion control, HMI, and power management functions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 r2p1, 60 MHz max-enables deterministic interrupt latency & RTOS compatibility |
| Flash Memory | 1.5 MB dual-bank (1008 KB ROM0 + 512 KB ROM1 upper + 16 KB ROM0 lower + 64 KB ROM1 work)-supports secure firmware updates without runtime interruption |
| SRAM | 192 KB total (96 KB SRAM0 + 96 KB SRAM1)-separate I/D and system buses prevent CPU-DMA contention |
| ADC | 2 × 12-bit SAR, 1.0 µs conversion @ 2.7–5.5 V-meets fast-loop sampling needs in motor current sensing |
| CAN Interface | CAN 2.0A/B compliant, 1 Mbps max bit rate, 32 message buffers-supports robust fieldbus communication in industrial networks |
| Low-Power Modes | 6 modes including Deep Standby RTC with optional RAM retention-enables battery-backed timekeeping with <1 µA current draw |
| Package | 176-pin LQFP (24 × 24 mm, 0.5 mm pitch)-provides 154 high-speed GPIOs, 5V-tolerant pins on selected I/Os |
Pinout & Package
Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3. Pinout validated per Infineon Document No. 002-05663 Rev. *G, "CY9B420TA Series Pin Assignment" (Pages 9–10) and "List of Pin Functions" (Pages 11–51).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC domains (VCCP/VCCD) enable independent analog/digital rail optimization; 12 dedicated VSS pins ensure low-noise grounding |
| XTAL / EXTAL | Main clock oscillator input/output | Supports 4–48 MHz crystal or external clock source; enables precise timing for CAN and UART baud generation |
| RTC_XIN / RTC_XOUT | Real-time clock oscillator | 32.768 kHz crystal interface for battery-backed RTC operation with leap-year correction |
| CAN_TX / CAN_RX | CAN physical layer interface | Differential signaling pair compatible with ISO 11898-2 transceivers; supports 1 Mbps operation with built-in protocol engine |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O with port relocate | 154 total GPIOs; flexible peripheral mapping via port relocation register-eliminates PCB redesign for signal routing changes |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash with security lock | Enables over-the-air firmware updates with zero downtime and prevents unauthorized code extraction via hardware fuse |
| Independent SRAM0/SRAM1 architecture | Allows simultaneous CPU instruction fetch and DMA data transfer-critical for real-time motor control loop execution |
| Quadrature Position/Revolution Counter (QPRC) | Directly interfaces with incremental encoders using AIN/BIN/ZIN inputs; provides 16-bit position + 16-bit revolution count with configurable edge detection |
| HDMI-CEC/Remote reception engine | Hardware-accelerated CEC frame parsing and automatic ACK generation-reduces MCU load in consumer electronics remote control stacks |
| Clock Supervision (CSV) + LVD2 reset | Dual-failure detection: CSV monitors external clock integrity; LVD2 triggers hard reset below safe VCC threshold-ensures fail-safe behavior in industrial environments |
Applications
| Industrial Motor Control | Building Automation Gateway |
|---|---|
Use Scenario: Closed-loop control of BLDC/PMSM motors in HVAC compressors and factory actuators. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms using PWM timers, ADC-triggered current sampling, and QPRC-based rotor position feedback. Use Value: Integrated 16-channel base timers with dead-time insertion and ADC activation compare eliminate external timing ICs and reduce BOM cost by ≥23%. | Use Scenario: Protocol translation between BACnet MS/TP, KNX, and Modbus RTU in smart building controllers. IC Role / Device Role / Timing Role: Multi-protocol serial interface hub managing up to 16 concurrent UART/CSIO/I²C/LIN channels with hardware flow control. Use Value: On-chip CAN + LIN + UART peripherals enable native fieldbus support without external transceivers or bridge ICs-cutting board space by 38%. |
| Energy Metering Terminal | Medical Infusion Pump Controller |
Use Scenario: High-accuracy AC voltage/current measurement and tariff calculation in DIN-rail energy meters. IC Role / Device Role / Timing Role: Simultaneous 24-channel ADC sampling with FIFO buffering and CRC32 integrity checking for metering data streams. Use Value: Dual 12-bit ADCs with 1.0 µs conversion time meet IEC 62053-21 Class 0.5S accuracy requirements at 10 kSPS aggregate rate. | Use Scenario: Safety-critical delivery control and alarm monitoring in hospital-grade infusion pumps. IC Role / Device Role / Timing Role: Fault-tolerant controller with watchdog supervision (hardware + software), LVD2 reset, and RTC timestamping for audit logs. Use Value: Dual watchdog architecture ensures guaranteed reset within 250 ms of software hang-even during Deep Standby STOP mode with RAM retention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit Arm Cortex-M3 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F207ZGT6 | 1 MB Flash, 128 KB SRAM, no dual-bank Flash; USB OTG HS but no HDMI-CEC | Lacks integrated CEC/remote engine and QPRC-requires external components for encoder or IR stack | Prefer when USB host capability is mandatory and CEC/QPRC are not required |
| RA4M2 (R7FA4M2AD3CFM) | 256 KB Flash, 32 KB SRAM, 100 MHz Cortex-M33; no CAN or QPRC | ARMv8-M TrustZone security but lacks CAN 2.0B and quadrature counter-unsuitable for motor control fieldbus nodes | Choose for secure boot and IoT connectivity where CAN and encoder interfaces are handled externally |
Compared with STM32F207ZGT6 and RA4M2, CY9BF429TABGL-GK7E1 uniquely combines dual-bank Flash security, CAN 2.0B, QPRC, and HDMI-CEC in one die-making it optimal for cost-sensitive, safety-aware industrial controllers needing minimal external components.
Availability
CY9BF429TABGL-GK7E1 is available at Aetrix Electronics and suitable for industrial motor control, building automation gateways, energy metering terminals, and medical infusion pump controllers requiring stable component supply across multi-year production cycles.
Supply support for CY9BF429TABGL-GK7E1 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 AG is a German semiconductor manufacturer specializing in power management, automotive MCUs, and industrial control solutions, with global R&D and manufacturing infrastructure.
CY9BF429TABGL-GK7E1 belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, designed specifically for deterministic real-time control in cost-sensitive industrial and consumer equipment where integrated peripherals reduce system complexity.
FAQ
What is the maximum operating frequency and supported voltage range?
The CY9BF429TABGL-GK7E1 operates at up to 60 MHz with a supply voltage range of 2.7 V to 5.5 V. It supports five clock sources-including external crystals (4–48 MHz), 32.768 kHz RTC crystal, and internal CR oscillators-and uses a main PLL to derive high-frequency clocks while maintaining stability across temperature and voltage variations.
Does this MCU support secure firmware updates?
Yes. The dual-bank Flash architecture allows one bank to execute code while the other receives new firmware, enabling seamless over-the-air updates. Hardware-based code protection locks Flash sectors and disables debug access after programming, preventing reverse engineering or unauthorized modification.
How many CAN message buffers are available and what is the maximum bit rate?
The device integrates a CAN 2.0A/B controller with 32 configurable message buffers and supports bit rates up to 1 Mbps. Message filtering, transmission prioritization, and automatic retransmission on error are handled in hardware-reducing CPU overhead in industrial network nodes.
Is there hardware support for encoder position sensing?
Yes. The Quadrature Position/Revolution Counter (QPRC) block supports two independent channels, each accepting AIN/BIN/ZIN signals. It provides 16-bit position and revolution counters with programmable edge detection, index pulse capture, and overflow interrupt-enabling direct connection to standard incremental encoders without external logic.
CY9BF429TABGL-GK7E1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 192-LFBGA
- Series:
- FM3 MB9B420TA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 60MHz
- Connectivity:
- CANbus, CSIO, EBI/EMI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 154
- Program Memory Size:
- 1.5625MB (1.5625M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 24x12b; D/A 2x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF429TABGL-GK7E1 FAQ
1.How can I place an order for CY9BF429TABGL-GK7E1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF429TABGL-GK7E1 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 CY9BF429TABGL-GK7E1 reliable?
The price and inventory of CY9BF429TABGL-GK7E1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF429TABGL-GK7E1 is usually 5 days.
3.What payment methods are accepted for CY9BF429TABGL-GK7E1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF429TABGL-GK7E1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF429TABGL-GK7E1?
CY9BF429TABGL-GK7E1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF429TABGL-GK7E1 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 CY9BF429TABGL-GK7E1?
For technical support, including CY9BF429TABGL-GK7E1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF429TABGL-GK7E1 requirements.
6.How does Aetrix verify that CY9BF429TABGL-GK7E1 is sourced from the original manufacturer or authorized distributors?
All CY9BF429TABGL-GK7E1 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 CY9BF429TABGL-GK7E1 meets industry standards.
7.What is the process for return or replacement of CY9BF429TABGL-GK7E1?
All CY9BF429TABGL-GK7E1 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF429TABGL-GK7E1, 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 CY9BF429TABGL-GK7E1 part is unused and in its original packaging.
Return procedure for CY9BF429TABGL-GK7E1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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