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Infineon Technologies MB9BF128SAPMC-GE1
- Part No.:
- MB9BF128SAPMC-GE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
MB9BF128SAPMC-GE1.pdf
- Description:
- IC MCU 32B 1.0625MB FLSH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,891
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Product details
Overview
MB9BF128SAPMC-GE1 from Cypress Semiconductor 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, and integrated peripherals including 24-channel 12-bit ADC, 2-channel 10-bit DAC, 16-channel base timer, and LIN/UART/I²C/CSIO serial interfaces. It targets industrial motor control and embedded automation requiring real-time responsiveness, low-power operation, and code security.
For engineers reviewing the MB9BF128SAPMC-GE1 datasheet, MB9BF128SAPMC-GE1 pinout, MB9BF128SAPMC-GE1 application, or MB9BF128SAPMC-GE1 equivalent, key selection criteria include dual-bank Flash for safe firmware updates, 176-pin LQFP package with 154 GPIOs (some 5V-tolerant), RTC with leap-year support, hardware watchdog with CR oscillator backup, and QPRC for encoder-based position sensing.
Technical Context
The device implements an 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 includes separate I-code/D-code buses for SRAM0 and system bus for SRAM1, enabling concurrent instruction fetch and data access.
Peripheral integration centers on deterministic real-time control: 16-channel base timer supports PWM/PPG/reload/PWC modes; QPRC provides dedicated 16-bit position and revolution counters with configurable A/B/Z input edge detection; HDMI-CEC and remote control reception blocks enable consumer electronics interoperability without external ICs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 r2p1, up to 60 MHz - enables deterministic interrupt latency & RTOS compatibility |
| Flash Memory | 1.5 MB dual-bank (1008 KB ROM0 + 512 KB ROM1 + 16 KB ROM0 lower + 64 KB ROM1 work) - supports background read while programming for seamless firmware updates |
| SRAM | 192 KB total: 96 KB SRAM0 (I/D bus), 96 KB SRAM1 (system bus) - decouples core execution from DMA/peripheral traffic |
| ADC | 24-channel 12-bit SAR, 1.0 μs conversion @ 2.7–5.5 V - meets fast sampling needs in motor current sensing and sensor fusion |
| DAC | 2-channel 10-bit R-2R - provides analog output for calibration signals or actuator biasing |
| Low-Power Modes | SLEEP, TIMER, RTC, STOP, Deep standby RTC/STOP - retains RAM state selectively down to 32.768 kHz RTC operation |
| Package | 176-pin LQFP (24 × 24 mm, 0.5 mm pitch) - supports high I/O count with standard reflow assembly |
Pinout & Package
MB9BF128SAPMC-GE1 is housed in a 176-pin LQFP package (24 mm × 24 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are fully relocatable via port relocation registers, enabling flexible PCB layout and peripheral remapping without hardware changes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | 12 dedicated VCC/VSS pairs ensure stable core & I/O rail decoupling across full operating range (2.7–5.5 V) |
| XTAL1 / XTAL2 | Main clock oscillator inputs | Support 4–48 MHz crystal or external clock source; paired with Clock Supervisor for fail-safe reset on stop/frequency anomaly |
| OSC32IN / OSC32OUT | Sub-clock oscillator inputs | Drive 32.768 kHz crystal for RTC and low-power wake-up timers independent of main clock domain |
| INITX | External reset input | Active-low asynchronous reset pin with internal pull-up; initiates power-on or emergency system recovery |
| SWDIO / SWCLK | Serial Wire Debug interface | 2-pin debug port supporting full JTAG/SWD functionality and ETM trace without dedicated debug header footprint |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash with zero-wait-state read | Enables simultaneous code execution and firmware update without halting real-time tasks |
| Port relocation capability | Allows dynamic assignment of UART, LIN, CSIO, or I²C functions to any compatible GPIO group - simplifies board layout reuse |
| Quadrature Position/Revolution Counter (QPRC) | Dedicated 16-bit position + 16-bit revolution counters with programmable A/B/Z edge sensitivity - eliminates software overhead in motor encoder interfacing |
| Hardware CRC accelerator (CRC16/32) | Offloads integrity checking from CPU for communication frames and flash data - reduces latency in safety-critical protocols |
| Two independent watchdogs | Hardware watchdog (CR oscillator-backed) remains active in all low-power modes except Deep standby; software watchdog offers configurable timeout flexibility |
Applications
| Industrial Motor Control | Building Automation Gateway |
|---|---|
Use Scenario: Closed-loop servo drive with position feedback, current sensing, and PWM generation. IC Role / Device Role / Timing Role: Real-time controller executing FOC algorithm, managing QPRC for encoder input, triggering ADC sampling synchronized to PWM edges. Use Value: Integrated 24-channel ADC with scanning FIFO and base timer-triggered conversion eliminates external timing logic and reduces BOM count. | Use Scenario: HVAC controller aggregating temperature, humidity, and occupancy sensor data while communicating via LIN and I²C to field devices. IC Role / Device Role / Timing Role: Central hub managing multi-protocol serial interfaces (LIN master/slave, I²C master, UART), RTC for scheduled ventilation cycles, and LVD for brown-out resilience. Use Value: Single-chip solution replaces discrete protocol translators and external RTC, reducing board area and qualification effort. |
| Consumer Electronics Remote Hub | Energy Metering Interface Module |
Use Scenario: Set-top box or AV receiver receiving IR remote commands and transmitting HDMI-CEC control signals. IC Role / Device Role / Timing Role: HDMI-CEC transceiver with automatic START/EOM/ACK generation and IR pulse decoding engine handling 4-byte repeat codes. Use Value: Eliminates need for external CEC PHY and IR demodulator ICs - reduces component count and EMI susceptibility. | Use Scenario: Smart meter front-end collecting voltage/current samples via isolated ADCs and reporting via RS-485 UART. IC Role / Device Role / Timing Role: Isolation-aware interface controller with UART flow control (RTS/CTS on ch.4), CRC32 acceleration for DLMS packet integrity, and watchdog supervision during firmware OTA updates. Use Value: Hardware CRC and hardware flow control ensure reliable communication over noisy power-line environments without CPU intervention. |
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 |
|---|---|---|---|
| STM32F103ZET6 | 72 MHz Cortex-M3, 512 KB Flash, 64 KB SRAM, no dual-bank Flash or QPRC | Lacks dedicated quadrature counter and dual-bank update capability - requires software emulation for encoder counting and unsafe firmware updates | Select when cost sensitivity outweighs need for safe field updates or high-resolution position tracking |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash, 32 KB SRAM, no LIN or HDMI-CEC | Includes FPU and TrustZone but omits LIN protocol stack and CEC hardware blocks - unsuitable for automotive body control or AV control hubs | Select for floating-point math-intensive applications where LIN/CEC are not required |
Compared with STM32F103ZET6 and RA4M1, MB9BF128SAPMC-GE1 uniquely combines dual-bank Flash for robust OTA updates, hardware QPRC for deterministic motor control, and integrated LIN/CEC for automotive/consumer connectivity - making it optimal for cost-sensitive, real-time embedded systems requiring multiple protocol stacks and field-upgrade safety.
Availability
MB9BF128SAPMC-GE1 is available at Aetrix Electronics and suitable for industrial motor drives, building automation gateways, consumer remote hubs, and energy metering interfaces requiring stable component supply, long-term lifecycle assurance, and qualified sourcing.
Supply support for MB9BF128SAPMC-GE1 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-performance, mixed-signal programmable solutions for industrial, automotive, and consumer applications with emphasis on reliability and integration.
The MB9B120TA series belongs to the FM3 family of ARM Cortex-M3 microcontrollers engineered specifically for real-time embedded control - emphasizing low-power operation, peripheral flexibility, and functional safety features like dual watchdogs and clock supervision.
FAQ
Does MB9BF128SAPMC-GE1 support in-system programming without external tools?
Yes. The device supports ISP via UART using the built-in bootloader, enabling firmware updates through standard serial communication without JTAG/SWD hardware. Boot mode is selected by configuring BOOT0/BOOT1 pins at reset, and the bootloader validates checksums before executing new code.
What is the maximum operating temperature range for this MCU?
MB9BF128SAPMC-GE1 is rated for industrial temperature range: –40 °C to +85 °C ambient. Electrical characteristics including Flash write endurance, ADC accuracy, and clock stability are guaranteed across this full range per the datasheet's Recommended Operating Conditions table.
Can the 176-pin LQFP package be used with standard PCB assembly processes?
Yes. The 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch) complies with JEDEC MS-026 standards and is compatible with standard SMT reflow profiles. Thermal pad under the package must be soldered to a solid copper plane for thermal management and mechanical reliability.
How does the dual watchdog architecture improve system reliability?
The hardware watchdog runs on a dedicated 100 kHz CR oscillator, remaining active in all low-power modes except Deep standby STOP/RTC. The software watchdog uses the main clock domain. This layered supervision ensures recovery from both clock failures and software hangs - critical for unattended industrial equipment.
MB9BF128SAPMC-GE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 144-LQFP
- Series:
- FM3 MB9B120TA
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- 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:
- 1.0625MB (1.0625M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 160K 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:
MB9BF128SAPMC-GE1 FAQ
1.How can I place an order for MB9BF128SAPMC-GE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MB9BF128SAPMC-GE1 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 MB9BF128SAPMC-GE1 reliable?
The price and inventory of MB9BF128SAPMC-GE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MB9BF128SAPMC-GE1 is usually 5 days.
3.What payment methods are accepted for MB9BF128SAPMC-GE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MB9BF128SAPMC-GE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MB9BF128SAPMC-GE1?
MB9BF128SAPMC-GE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MB9BF128SAPMC-GE1 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 MB9BF128SAPMC-GE1?
For technical support, including MB9BF128SAPMC-GE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MB9BF128SAPMC-GE1 requirements.
6.How does Aetrix verify that MB9BF128SAPMC-GE1 is sourced from the original manufacturer or authorized distributors?
All MB9BF128SAPMC-GE1 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 MB9BF128SAPMC-GE1 meets industry standards.
7.What is the process for return or replacement of MB9BF128SAPMC-GE1?
All MB9BF128SAPMC-GE1 units undergo pre-shipment inspection (PSI). If there is an issue with MB9BF128SAPMC-GE1, 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 MB9BF128SAPMC-GE1 part is unused and in its original packaging.
Return procedure for MB9BF128SAPMC-GE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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