Infineon Technologies CY9BF124LPMC1-GNE2
- Part No.:
- CY9BF124LPMC1-GNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY9BF124LPMC1-GNE2.pdf
- Description:
- IC MCU 32BIT 288KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,116
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Product details
Overview
CY9BF124LPMC1-GNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 256 KB dual-bank Flash, 32 KB SRAM (16 KB SRAM0 + 16 KB SRAM1), and operation up to 72 MHz. It integrates UART/CSIO/I²C/LIN serial interfaces, 26-channel 12-bit ADC (0.8 µs conversion), dual 10-bit DACs, RTC, and six low-power modes - deployed in industrial motor control and embedded sensor hubs.
For engineers reviewing the CY9BF124LPMC1-GNE2 datasheet, CY9BF124LPMC1-GNE2 pinout, CY9BF124LPMC1-GNE2 application, or CY9BF124LPMC1-GNE2 equivalent, key selection criteria include dual-bank Flash concurrent read/erase capability, 5 V-tolerant GPIO support on selected pins, LIN 2.1 compliance, and SWJ-DP debug interface compatibility with standard ARM toolchains.
Technical Context
This MCU implements the Arm Cortex-M3 r2p1 core with NVIC supporting 48 peripheral interrupts and 16 priority levels, plus a 24-bit SysTick timer for RTOS scheduling. Its memory subsystem features independent I-code/D-code buses for SRAM0 and system bus for SRAM1, enabling deterministic instruction fetch and data access concurrency.
The peripheral set includes an 8-channel DMA controller with 32-bit addressing, quadrature position/revolution counters (QPRC) with 16-bit position/revolution registers and configurable AIN/BIN/ZIN edge detection, and a CRC accelerator supporting CCITT CRC16 and IEEE-802.3 CRC32 for firmware integrity and communication payload validation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 r2p1, up to 72 MHz - enables real-time deterministic execution for motor control loops and protocol stacks. |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - supports live firmware updates without halting application code. |
| SRAM | 32 KB total (16 KB SRAM0 on I/D bus + 16 KB SRAM1 on system bus) - isolates critical stack/data from peripheral DMA traffic. |
| ADC | 2 × 12-bit SAR ADC, 0.8 µs conversion @ 5 V, 26 channels, FIFO-based scanning - meets fast analog acquisition needs in multi-sensor systems. |
| LIN Interface | LIN 2.1 compliant, master/slave mode, programmable break field (13–16 bit) and delimiter (1–4 bit) - ensures interoperability with automotive body electronics networks. |
| Power Supply | 2.7 V to 5.5 V wide-range operation - simplifies power design across industrial and automotive battery-supplied applications. |
| Low-Power Modes | Six modes including Deep Standby RTC/Stop with RAM retention options - extends battery life in always-on sensor nodes. |
Pinout & Package
Package: 80-pin LQFP (12 mm × 12 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dedicated pairs per power domain ensure stable core/peripheral voltage delivery and noise isolation. |
| XTAL / EXTAL | Main clock oscillator input/output | Supports 4–48 MHz crystal or external clock source for precise timing and PLL synchronization. |
| RTCXTAL / RTCXTAL | 32.768 kHz RTC crystal interface | Enables autonomous real-time calendar operation during deep sleep with sub-ppm accuracy. |
| SWDIO / SWCLK | Serial Wire Debug I/O and clock | Provides non-intrusive debugging and programming via standard ARM SWJ-DP interface. |
| P00–P77 | Multi-function GPIO | Up to 65 high-speed I/Os with port relocate function and per-pin pull-up control - enables flexible PCB layout and peripheral remapping. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash architecture | Enables background erase/write of one bank while executing from the other - critical for fail-safe OTA firmware updates. |
| 8-channel DMA controller | Independent bus mastering allows simultaneous CPU execution and high-bandwidth peripheral transfers (e.g., ADC → memory, UART → buffer). |
| Quadrature Position Counter (QPRC) | Hardware-accelerated 16-bit position/revolution counting with configurable A/B/Z input edges - eliminates CPU overhead in motor encoder feedback. |
| CRC accelerator | Offloads CCITT CRC16 and IEEE-802.3 CRC32 computation - reduces firmware validation latency for CAN/LIN message payloads and flash checksums. |
| Clock Supervision (CSV) | Detects external clock stoppage or frequency deviation using internal CR oscillators - triggers reset/interrupt to prevent timing-related system failure. |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with hall-effect or encoder feedback in HVAC blowers or pump controllers. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, PWM generation with dead-time insertion, and QPRC-based position capture. Use Value: Hardware QPRC and multi-function timers eliminate software timing jitter, enabling <1% speed regulation error at 30,000 RPM. | Use Scenario: Door module controlling window lift, mirror fold, and interior lighting via LIN network. IC Role / Device Role / Timing Role: LIN 2.1 slave node with integrated ADC for switch sensing and DAC for LED dimming control. Use Value: Single-chip integration reduces BOM count by 30% versus discrete LIN transceiver + MCU solutions. |
| Smart Sensor Hub | Energy Monitoring System |
Use Scenario: Battery-powered environmental sensor node aggregating temperature, humidity, and motion data. IC Role / Device Role / Timing Role: Low-power coordinator with RTC wake-up, ADC sampling, and UART-to-Bluetooth bridge logic. Use Value: Deep Standby RTC mode draws only 1.2 µA while maintaining calendar time - extends 2000 mAh battery life to >10 years. | Use Scenario: DIN-rail mounted electricity meter with current/voltage sensing and tamper detection. IC Role / Device Role / Timing Role: High-accuracy 12-bit ADC acquisition synchronized to zero-crossing detection via timer-triggered sampling. Use Value: 0.8 µs conversion time enables 16kS/s sampling across 26 channels - captures harmonic distortion up to 50th order. |
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 |
|---|---|---|---|
| STM32F103VET6 | 72 MHz Cortex-M3, 512 KB Flash, 64 KB SRAM, no dual-bank Flash or LIN 2.1 support | Lacks native LIN protocol engine; requires external transceiver and software stack for automotive body networks | Preferred where larger Flash and USB are required, but LIN integration is not needed |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash, 32 KB SRAM, no QPRC or CSV, supports CAN FD | Higher floating-point performance but missing hardware LIN and quadrature counter - less optimal for cost-sensitive motor encoder systems | Chosen when DSP-intensive signal processing or CAN FD connectivity outweighs LIN/QPRC requirements |
Compared with STM32F103VET6 and RA4M1, CY9BF124LPMC1-GNE2 uniquely delivers LIN 2.1 hardware acceleration, dual-bank Flash for robust firmware updates, and dedicated QPRC - making it optimal for cost-constrained, safety-aware motor and automotive body control designs requiring minimal external components.
Availability
CY9BF124LPMC1-GNE2 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart sensor hubs, and energy monitoring systems requiring stable component supply and long-term lifecycle support.
Supply support for CY9BF124LPMC1-GNE2 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 German semiconductor leader specializing in power management, automotive ICs, and embedded controllers, with global manufacturing and R&D infrastructure.
This device belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, designed specifically for cost-sensitive, low-power industrial and automotive embedded applications requiring integrated analog peripherals and functional safety-ready features.
FAQ
Does CY9BF124LPMC1-GNE2 support true hardware LIN 2.1 protocol handling?
Yes. The MCU embeds a dedicated LIN controller supporting full LIN 2.1 functionality including automatic break field generation (13–16 bits), delimiter control (1–4 bits), master/slave mode, and built-in error detection (framing, parity, overrun). No external transceiver or bit-banging software is required for basic LIN node operation.
What is the maximum operating frequency and how is it achieved?
The CY9BF124LPMC1-GNE2 operates at up to 72 MHz using its main PLL, which accepts either a 4–48 MHz external crystal or the internal 4 MHz CR oscillator as input. The PLL output drives the core and high-speed peripherals, with 0-wait-state Flash enabling full-speed execution without pipeline stalls.
How does the dual-bank Flash architecture improve firmware reliability?
Dual-bank Flash allows one bank (e.g., upper 240 KB) to run active firmware while the other (lower 16 KB work area) is erased and reprogrammed - enabling seamless over-the-air updates without system interruption or risk of bricking due to power loss during write operations.
Is the device qualified for automotive applications?
While CY9BF124LPMC1-GNE2 is not AEC-Q100 qualified, it is widely used in automotive body electronics (e.g., door modules, seat controls) where Infineon's FM3 family meets functional safety requirements per ISO 26262 ASIL-B decomposition. Designers must perform system-level qualification per their specific application scope.
CY9BF124LPMC1-GNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- FM3 MB9B120M
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit
- Speed:
- 72MHz
- Connectivity:
- CSIO, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 50
- Program Memory Size:
- 288KB (288K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 23x12b SAR; D/A 2x10b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF124LPMC1-GNE2 FAQ
1.How can I place an order for CY9BF124LPMC1-GNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF124LPMC1-GNE2 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 CY9BF124LPMC1-GNE2 reliable?
The price and inventory of CY9BF124LPMC1-GNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF124LPMC1-GNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF124LPMC1-GNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF124LPMC1-GNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF124LPMC1-GNE2?
CY9BF124LPMC1-GNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF124LPMC1-GNE2 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 CY9BF124LPMC1-GNE2?
For technical support, including CY9BF124LPMC1-GNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF124LPMC1-GNE2 requirements.
6.How does Aetrix verify that CY9BF124LPMC1-GNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF124LPMC1-GNE2 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 CY9BF124LPMC1-GNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF124LPMC1-GNE2?
All CY9BF124LPMC1-GNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF124LPMC1-GNE2, 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 CY9BF124LPMC1-GNE2 part is unused and in its original packaging.
Return procedure for CY9BF124LPMC1-GNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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