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Infineon Technologies CY9BF129SPMC-GK7E1
- Part No.:
- CY9BF129SPMC-GK7E1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
CY9BF129SPMC-GK7E1.pdf
- Description:
- IC MCU 32B 1.5625MB FLSH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,425
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Product details
Overview
CY9BF129SPMC-GK7E1 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 FM3 microcontroller with dual-bank flash (1008 KB + 512 KB + 16 KB), 192 KB on-chip SRAM (SRAM0 + SRAM1), 60 MHz max CPU frequency, and integrated peripherals including 24-channel 12-bit ADC, 2-channel 10-bit DAC, 16-channel multi-function serial interface (UART/CSIO/LIN/I²C), and hardware CRC accelerator. It targets embedded motor control and industrial automation systems requiring deterministic real-time response and low-power operation.
For engineers reviewing the CY9BF129SPMC-GK7E1 datasheet, CY9BF129SPMC-GK7E1 pinout, CY9BF129SPMC-GK7E1 application, or CY9BF129SPMC-GK7E1 equivalent, key selection criteria include dual-operation flash security, 176-pin LQFP package compatibility, 2.7–5.5 V supply range, six low-power modes (including Deep Standby RTC), and FM3 peripheral manual TYPE12 classification.
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 dual-bank Flash enabling read-while-write operation and independent I-code/D-code bus-connected SRAM0 (96 KB) and system-bus-connected SRAM1 (96 KB).
The peripheral set includes a 8-channel DMA controller with 32-bit addressing, quadrature position/revolution counters (2 channels), HDMI-CEC/remote control receivers (2 channels), and a clock supervisor that monitors external oscillator failure using internal CR oscillators - all operating across six defined low-power states including STOP and Deep Standby RTC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 r2p1, up to 60 MHz - enables deterministic interrupt latency and RTOS support in resource-constrained embedded systems. |
| Flash Memory | 1008 KB (ROM0 upper) + 512 KB (ROM1 upper) + 16 KB (ROM0 lower) + 64 KB (ROM1 lower work area) - supports secure code protection and simultaneous execution/programming. |
| SRAM | 96 KB SRAM0 (I/D bus) + 96 KB SRAM1 (system bus) - allows parallel CPU and DMA access without contention. |
| ADC | 24-channel, 12-bit successive approximation, 1.0 μs conversion @ 2.7–5.5 V - suitable for high-speed sensor acquisition in motor feedback loops. |
| DAC | 2-channel, 10-bit R-2R - provides analog waveform generation for reference signals or actuator control. |
| Low-Power Modes | SLEEP, TIMER, RTC, STOP, Deep Standby RTC, Deep Standby STOP - enables sub-μA retention current with configurable RAM retention. |
| Supply Voltage | 2.7 V to 5.5 V - accommodates wide-input industrial power rails and battery-backed operation. |
Pinout & Package
Package: 176-pin LQFP (24 × 24 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dedicated pins per power domain; decoupling required per datasheet layout guidelines for noise immunity. |
| XTAL1 / XTAL2 | Main clock oscillator input/output | Supports 4–48 MHz crystal; used for PLL input or direct system clocking. |
| OSC32IN / OSC32OUT | Sub-clock oscillator input/output | Connects to 32.768 kHz crystal for RTC and low-power wake-up timing. |
| RESET | Active-low reset input | Accepts asynchronous reset assertion; synchronized internally for glitch immunity. |
| INITX | Initialization input | Triggers hardware reset on falling edge; used for safe recovery after brownout or watchdog timeout. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O with port relocate | Up to 154 GPIOs; peripheral function mapping configurable via register to avoid PCB routing conflicts. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-operation Flash memory | Enables firmware updates without halting real-time execution - critical for field-upgradable industrial controllers. |
| Hardware CRC accelerator (CRC16/32) | Offloads integrity checking from CPU during communication or firmware validation - reduces latency in safety-critical data paths. |
| Quadrature Position/Revolution Counter (2 ch) | Direct encoder interface with 16-bit position + 16-bit revolution counters - eliminates need for external logic in motor position tracking. |
| HDMI-CEC and remote control receiver (2 ch) | Integrated protocol engine with automatic ACK, arbitration loss detection, and repeat code handling - simplifies consumer electronics remote integration. |
| Multi-function serial interface (16 ch) | Per-channel mode selection (UART/CSIO/LIN/I²C) with FIFO and hardware flow control - consolidates multiple bus protocols into one scalable peripheral block. |
Applications
| Industrial Motor Control | Smart HVAC Controller |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with position sensing and thermal monitoring. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, ADC sampling of phase currents, PWM generation with dead-time insertion, and QPRC-based rotor position capture. Use Value: 60 MHz Cortex-M3 core with 1.0 μs ADC and hardware CRC ensures cycle-accurate control loop timing and secure firmware update verification. | Use Scenario: Multi-zone temperature regulation with wireless sensor network gateway and local display. IC Role / Device Role / Timing Role: Central controller managing I²C sensor reads, UART-based Zigbee module interface, LIN bus fan control, and RTC-scheduled ventilation cycles. Use Value: 16-channel serial interface supports concurrent protocols; dual-bank flash enables seamless OTA updates without service interruption. |
| Programmable Logic Controller (PLC) I/O Module | Energy Meter with Communication Interface |
Use Scenario: DIN-rail mounted digital I/O expansion unit with isolated inputs/outputs and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: High-speed GPIO scanning, UART with hardware flow control, watchdog supervision, and low-voltage detection for brownout resilience. Use Value: Six low-power modes allow deep sleep between polling intervals; 2.7–5.5 V operation tolerates wide industrial supply variance. | Use Scenario: Revenue-grade meter with metrology ADC, pulse output, and dual communication (M-Bus + PLC). IC Role / Device Role / Timing Role: Time-stamped energy accumulation using RTC, CRC-protected data logging to external NAND, and CSIO-based M-Bus physical layer interface. Use Value: Hardware CRC32 accelerates data integrity checks on stored consumption records; external bus interface supports direct NAND attachment. |
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 |
|---|---|---|---|
| STM32F103VCT6 | 72 MHz Cortex-M3, 256 KB Flash, 48 KB SRAM, no dual-bank flash or hardware CRC accelerator | Lacks dedicated QPRC and HDMI-CEC; requires external components for encoder interface and remote control stack | Prefer when cost sensitivity outweighs need for advanced motor control peripherals and secure firmware update capability |
| RP2040 | Dual-core Arm Cortex-M0+, 2 MB Flash, 264 KB SRAM, no hardware CRC32 or LIN support | No LIN or CSIO; lacks industrial-grade voltage range (1.8–3.3 V only) and low-power STOP/Deep Standby modes | Prefer for USB-centric consumer devices where dual-core simplicity and PIO flexibility outweigh industrial robustness requirements |
Compared with STM32F103VCT6 and RP2040, CY9BF129SPMC-GK7E1 delivers superior real-time determinism via dual-bank flash execution, integrated QPRC for motor position, and hardware CRC32 for secure field updates - making it optimal for certified industrial and automotive-adjacent applications demanding functional safety readiness.
Availability
CY9BF129SPMC-GK7E1 is available at Aetrix Electronics and suitable for industrial motor control, smart HVAC systems, programmable logic controller (PLC) modules, and energy metering applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for CY9BF129SPMC-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 is a German semiconductor manufacturer specializing in power management, automotive ICs, and embedded controllers, with global manufacturing and quality certification to ISO/TS 16949 and IEC 61508.
CY9BF129SPMC-GK7E1 belongs to the FM3 family of 32-bit microcontrollers designed specifically for industrial automation, motor control, and building automation systems where reliability, low-power operation, and peripheral integration are critical.
FAQ
What is the maximum operating frequency and supported voltage range?
The CY9BF129SPMC-GK7E1 operates at up to 60 MHz and supports a supply voltage range of 2.7 V to 5.5 V. This wide voltage window enables direct interfacing with legacy 5 V industrial buses and compatibility with modern 3.3 V logic, while maintaining full peripheral functionality across the entire range as verified in the datasheet's Recommended Operating Conditions table.
Does this MCU support secure firmware updates?
Yes - it includes dual-operation Flash memory with code protection security functions and a hardware CRC accelerator supporting CCITT CRC16 and IEEE-802.3 CRC32. These features enable authenticated, atomic firmware updates with integrity verification without CPU overhead, meeting requirements for secure field upgrades in industrial deployments.
How many low-power modes does it offer, and which retain RAM content?
It supports six low-power modes: SLEEP, TIMER, RTC, STOP, Deep Standby RTC, and Deep Standby STOP. RAM retention is configurable in Deep Standby RTC and Deep Standby STOP modes - users can select whether SRAM0/SRAM1 contents are preserved, allowing trade-offs between ultra-low leakage current (<1 μA) and fast wake-up recovery time.
Is the 176-pin LQFP package pin-compatible with other FM3 series MCUs?
Pin compatibility is defined within the FM3 TYPE12 product category per the Peripheral Manual, but not guaranteed across all FM3 series. CY9BF129SPMC-GK7E1 shares the same 176-pin LQFP footprint and core peripheral mapping with CY9B120TA-series devices, though specific pin functions (e.g., QPRC inputs, HDMI-CEC lines) may differ - always verify against the "List of Pin Functions" and "Pin Assignment" sections of the official datasheet.
CY9BF129SPMC-GK7E1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 144-LQFP
- Series:
- FM3 MB9B120TA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 60MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 122
- 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:
CY9BF129SPMC-GK7E1 FAQ
1.How can I place an order for CY9BF129SPMC-GK7E1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF129SPMC-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 CY9BF129SPMC-GK7E1 reliable?
The price and inventory of CY9BF129SPMC-GK7E1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF129SPMC-GK7E1 is usually 5 days.
3.What payment methods are accepted for CY9BF129SPMC-GK7E1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF129SPMC-GK7E1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF129SPMC-GK7E1?
CY9BF129SPMC-GK7E1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF129SPMC-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 CY9BF129SPMC-GK7E1?
For technical support, including CY9BF129SPMC-GK7E1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF129SPMC-GK7E1 requirements.
6.How does Aetrix verify that CY9BF129SPMC-GK7E1 is sourced from the original manufacturer or authorized distributors?
All CY9BF129SPMC-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 CY9BF129SPMC-GK7E1 meets industry standards.
7.What is the process for return or replacement of CY9BF129SPMC-GK7E1?
All CY9BF129SPMC-GK7E1 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF129SPMC-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 CY9BF129SPMC-GK7E1 part is unused and in its original packaging.
Return procedure for CY9BF129SPMC-GK7E1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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