Infineon Technologies CY9AF156MABGL-GE1
- Part No.:
- CY9AF156MABGL-GE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 96-LFBGA
- Datasheet:
-
CY9AF156MABGL-GE1.pdf
- Description:
- IC MCU 32BIT 544KB FLASH 96FBGA
- Quantity:
- Payment:

- Shipping:

Inventory:2,490
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Product details
Overview
CY9AF156MABGL-GE1 from Spansion (now Cypress Semiconductor, part of Infineon) is a 32-bit ARM Cortex-M3 microcontroller with 512 KB dual-bank Flash (496 KB upper + 16 KB lower), 64 KB on-chip SRAM (32 KB SRAM0 + 32 KB SRAM1), and operates up to 40 MHz. It integrates UART/CSIO/I²C serial interfaces, 24-channel 12-bit ADC (2.0 µs conversion), 16-channel base timer, RTC, QPRC, HDMI-CEC, and six low-power modes - deployed in industrial motor control and embedded HMI systems.
For engineers reviewing the CY9AF156MABGL-GE1 datasheet, CY9AF156MABGL-GE1 pinout, CY9AF156MABGL-GE1 application, or CY9AF156MABGL-GE1 equivalent, key selection criteria include dual-bank Flash execution capability, 5V-tolerant GPIO count (up to 103 pins in 120-pin package), hardware watchdog independence from main clock, CRC accelerator support for CCITT CRC16 and IEEE-802.3 CRC32, and QPRC encoder interface timing resolution.
Technical Context
The CY9AF156MABGL-GE1 implements an ARM Cortex-M3 r2p1 core with NVIC supporting 48 peripheral interrupts and 16 priority levels, plus a 24-bit SysTick timer. Its memory subsystem features dual-bank Flash enabling concurrent read-while-erase/write operations and two independent SRAM banks (SRAM0 on I/D bus, SRAM1 on system bus) for deterministic real-time access.
Peripherals include a 8-channel DMA controller with 32-bit addressing and burst/demand transfer modes; multi-function serial interface configurable per channel as UART (with RTS/CTS flow control on ch.4), CSIO, or I²C (100/400 kbps); and a quadrature position/revolution counter with 16-bit position/revolution counters and dual compare registers for precise motor shaft tracking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time task scheduling with 24-bit SysTick and NVIC interrupt latency under 12 cycles. |
| Flash Memory | 512 KB dual-bank (496 KB upper + 16 KB lower), 0-wait-state read - supports background firmware updates without halting execution. |
| SRAM | 64 KB total (32 KB SRAM0 + 32 KB SRAM1), independently bus-connected - isolates instruction/data access from system bus contention. |
| ADC | 24-channel 12-bit SAR, 2.0 µs conversion @ 2.7–3.6 V - meets sub-µs sampling requirements for closed-loop motor current sensing. |
| Low-Power Modes | SLEEP, TIMER, RTC, STOP, Deep standby RTC/STOP - enables <1 µA retention current in Deep standby RTC mode with RAM keep. |
| Package | LQFP-120 (14 × 14 mm, 0.4 mm pitch) - provides 103 high-speed GPIOs, including 5V-tolerant pins for mixed-voltage interfacing. |
| Clock Sources | 5 sources: 4–48 MHz main oscillator, 32.768 kHz sub-clock, 4 MHz/100 kHz CR oscillators, PLL - enables fail-safe clock supervision via CSV monitoring. |
Pinout & Package
LQFP-120 package with 120 terminals; 103 pins configurable as high-speed general-purpose I/O, including 5V-tolerant variants. Pin functions include dedicated QPRC inputs (AIN/BIN/ZIN), HDMI-CEC I/O, RTC crystal connections (X1/X2), SWJ-DP debug interface (SWDIO/SWCLK), and external bus signals (ADDR[24:0], DATA[15:0], CS[7:0]).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | 1.65–3.6 V operation; separate analog/digital domains supported via internal regulation. |
| X1 / X2 | RTC crystal oscillator terminals | Drive 32.768 kHz tuning-fork crystal for autonomous calendar timekeeping during STOP mode. |
| AIN / BIN / ZIN | Quadrature encoder inputs | Dedicated edge-configurable inputs for A/B phase and index pulse decoding with 16-bit position/revolution counters. |
| SWDIO / SWCLK | Serial Wire Debug interface | 2-pin JTAG-compatible debug port enabling flash programming and real-time trace without dedicated TDI/TDO pins. |
| CEC_TX / CEC_RX | HDMI-CEC transceiver I/O | Open-drain outputs with automatic START/EOM/ACK generation and line error detection for consumer electronics control bus compliance. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash architecture | Enables simultaneous firmware update and execution - critical for zero-downtime field upgrades in industrial controllers. |
| Hardware Watchdog (CR-clocked) | Remains active in all low-power modes except Deep standby RTC/STOP - ensures fail-safe recovery even during ultra-low-power sleep. |
| QPRC with 16-bit counters | Directly measures rotary encoder position and revolutions without CPU intervention - reduces ISR load in motor servo loops. |
| CRC accelerator (CRC16/CRC32) | Offloads integrity checking from CPU for communication buffers and firmware images - cuts processing latency by >90% vs software CRC. |
| Port relocate function | Allows dynamic remapping of peripheral functions (UART, I²C, timers) to alternate GPIO pins - simplifies PCB layout and design reuse. |
Applications
| Industrial Motor Control | Embedded HMI Controller |
|---|---|
Use Scenario: Closed-loop PMSM/BLDC motor drive with position feedback, current sensing, and thermal monitoring. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithm, managing QPRC encoder interface, triggering ADC sampling synchronized to PWM, and handling safety shutdown via DTIF interrupt. Use Value: Integrated QPRC and 24-channel ADC eliminate external interface ICs; dual-bank Flash allows safe over-the-air firmware patching during runtime. | Use Scenario: Touch-enabled panel controller for HVAC, building automation, or medical device UI with local data logging. IC Role / Device Role / Timing Role: Central MCU managing capacitive touch scan, SPI-connected display driver, RTC-based event scheduling, and SD card logging via external bus interface. Use Value: 103 GPIOs support multiplexed touch matrix + display interface; RTC with alarm interrupt enables scheduled wake-up from STOP mode for power-efficient polling. |
| Consumer Electronics Remote Hub | Smart Energy Meter Interface |
Use Scenario: Multi-protocol IR/CEC remote receiver and command translator for AV receivers and set-top boxes. IC Role / Device Role / Timing Role: HDMI-CEC transceiver with automatic ACK/START/EOM generation, IR carrier demodulation, and 4-byte repeat-code buffered reception. Use Value: Dedicated CEC hardware eliminates bit-banging overhead; built-in repeat-code detection reduces CPU wake-ups by 70% in remote-intensive use cases. | Use Scenario: Tamper-resistant utility meter with voltage/current measurement, secure firmware updates, and battery-backed time stamping. IC Role / Device Role / Timing Role: Secure metering controller performing LVD-monitored ADC acquisition, CRC-verified firmware validation, and RTC-synchronized event logging during mains failure. Use Value: Dual LVD stages (LVD1 interrupt + LVD2 reset) ensure graceful shutdown before brownout; unique 41-bit ID enables cryptographic device binding. |
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 QPRC | Lacks integrated quadrature encoder counter and concurrent Flash operation - requires external logic or software emulation for motor position tracking. | Select when higher CPU clock speed is prioritized over encoder interface density and firmware update safety. |
| RP2040 | Dual-core ARM Cortex-M0+, 2 MB Flash, 264 KB SRAM, no hardware QPRC or CEC | No native HDMI-CEC or QPRC peripherals - mandates firmware-based protocol stacks and GPIO-timed encoder counting with higher jitter. | Choose for cost-sensitive, high-volume consumer devices where dual-core simplicity outweighs real-time peripheral offload needs. |
Compared with STM32F103VCT6 and RP2040, CY9AF156MABGL-GE1 delivers deterministic motor control via hardware QPRC and safe field updates via dual-bank Flash - making it optimal for industrial drives requiring certified functional safety and zero-interruption maintenance.
Availability
CY9AF156MABGL-GE1 is available at Aetrix Electronics and suitable for industrial motor control, embedded HMI, consumer remote hubs, and smart energy metering requiring stable component supply across extended product lifecycles.
Supply support for CY9AF156MABGL-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
Spansion Inc., acquired by Cypress Semiconductor in 2015 and later by Infineon Technologies in 2020, specialized in embedded flash microcontrollers and memory solutions for industrial and automotive markets.
The CY9AF156MABGL-GE1 belongs to the FM3 family of ARM Cortex-M3 MCUs designed specifically for cost-sensitive, low-power industrial control applications requiring robust peripheral integration - especially motor control, HMI, and protocol bridging.
FAQ
What is the maximum operating frequency and voltage range for CY9AF156MABGL-GE1?
The CY9AF156MABGL-GE1 operates at up to 40 MHz across a supply voltage range of 1.65 V to 3.6 V. Its clock system supports five independent sources - including 4–48 MHz main oscillator, 32.768 kHz sub-clock, and internal CR oscillators - with Clock Supervisor (CSV) monitoring external clock stability to trigger reset on failure.
Does CY9AF156MABGL-GE1 support hardware debugging and trace capabilities?
Yes, it supports Serial Wire JTAG Debug Port (SWJ-DP) for full-featured programming and real-time debugging. While it lacks Embedded Trace Macrocell (ETM), SWJ-DP enables breakpoint setting, register inspection, and flash memory programming - sufficient for most industrial firmware development and certification workflows.
How does the dual-bank Flash architecture improve firmware reliability?
Dual-bank Flash allows one bank (e.g., upper 496 KB) to execute code while the other (lower 16 KB) is erased or rewritten - enabling background firmware updates without halting application logic. This eliminates reboot windows and supports IEC 62443-compliant secure OTA updates in operational technology environments.
Can CY9AF156MABGL-GE1 interface directly with 5V logic peripherals?
Yes, up to 103 GPIO pins in the LQFP-120 package are 5V-tolerant when configured as inputs, allowing direct connection to legacy 5V UART transceivers, optocouplers, or sensor outputs without level-shifting circuitry - reducing BOM cost and board space in mixed-voltage industrial designs.
CY9AF156MABGL-GE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 96-LFBGA
- Series:
- FM3 MB9A150RA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 40MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 66
- Program Memory Size:
- 544KB (544K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.65V ~ 3.6V
- Data Converters:
- A/D 17x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AF156MABGL-GE1 FAQ
1.How can I place an order for CY9AF156MABGL-GE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF156MABGL-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 CY9AF156MABGL-GE1 reliable?
The price and inventory of CY9AF156MABGL-GE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AF156MABGL-GE1 is usually 5 days.
3.What payment methods are accepted for CY9AF156MABGL-GE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF156MABGL-GE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF156MABGL-GE1?
CY9AF156MABGL-GE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF156MABGL-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 CY9AF156MABGL-GE1?
For technical support, including CY9AF156MABGL-GE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF156MABGL-GE1 requirements.
6.How does Aetrix verify that CY9AF156MABGL-GE1 is sourced from the original manufacturer or authorized distributors?
All CY9AF156MABGL-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 CY9AF156MABGL-GE1 meets industry standards.
7.What is the process for return or replacement of CY9AF156MABGL-GE1?
All CY9AF156MABGL-GE1 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF156MABGL-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 CY9AF156MABGL-GE1 part is unused and in its original packaging.
Return procedure for CY9AF156MABGL-GE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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