{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CY9BF122LPMC1-G-MNE2","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"CY9BF122LPMC1-G-MNE2","canonicalUrl":"https://icboms.com/infineon/CY9BF122LPMC1-G-MNE2","factsUrl":"https://icboms.com/api/mcp/products/CY9BF122LPMC1-G-MNE2","rawCanonicalId":null},"summary":{"shortDescription":"Infineon Technologies FM3 MB9B120M series ARM Cortex-M3 32-bit MCU, CY9BF122LPMC1-G-MNE2, 72 MHz, 160 KB flash, 16 KB RAM, 50 I/O, 64-LQFP, -40 to +105°C.","salesMarkdown":"## 72 MHz Cortex-M3 — throughput for control and protocol processing The CY9BF122LPMC1-G-MNE2: The ARM Cortex-M3 core runs at 72 MHz, delivering roughly 90 DMIPS. That is enough headroom for a real-time control loop (motor FOC or PID at 10-20 kHz) plus a communication stack (Modbus RTU or CANopen) running concurrently without a separate protocol coprocessor. ## Memory budget — 160 KB flash, 16 KB RAM Program memory is 160 KB of flash, arranged as 160K x 8. For a typical industrial application — say a pump controller with Modbus — the HAL, RTOS kernel, and application code fit inside 120 KB, leaving 40 KB for field-upgradeable parameter tables or a bootloader. The 16 KB SRAM (16K x 8) supports a modest stack and a few kB of DMA buffers; if your data logging or display buffer exceeds this, plan for external SRAM or a part from the higher-density MB9B siblings. ## Supply range and temperature grade — single-rail industrial fit The internal oscillator means no external crystal is needed for basic timing, though the PLL still requires a reference if you need the full 72 MHz. ## Analog and connectivity — sensor interface on-chip The 23-channel 12-bit ADC samples at rates sufficient for most sensor acquisition tasks — think thermocouple, pressure transducer, or current-sense inputs. Two 10-bit DAC channels provide analog setpoints or reference outputs. For serial links, the part carries CSIO (a clocked serial interface), I²C, LINbus, and UART/USART peripherals, covering the common industrial fieldbus and sensor protocols without external transceivers for short-haul links. ## Compliance — RoHS3, no exemption risk Infineon certifies this part as ROHS3 compliant (2011/65/EU + 2015/863). No exemptions are claimed, so the MCU ships without restricted substances and passes EU market entry checks without additional documentation. The part is also REACH and WEEE compliant per Infineon's standard declaration.","metaTitle":"CY9BF122LPMC1-G-MNE2 Infineon MCU, 72 MHz Cortex-M3","metaDescription":"Active-production Infineon CY9BF122LPMC1-G-MNE2 ARM Cortex-M3 MCU, 72 MHz, 160 KB flash, 16 KB RAM, 64-LQFP. Industrial temp -40 to +105°C. RoHS3.","metaKeywords":null},"attributes":{"series":"FM3 MB9B120M","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"72MHz","Series":"FM3 MB9B120M","Package":"Tray","RAM Size":"16K x 8","Core Size":"32-Bit Single-Core","Peripherals":"DMA, LVD, POR, PWM, WDT","Connectivity":"CSIO, I²C, LINbus, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"50","Core Processor":"ARM® Cortex®-M3","Package / Case":"64-LQFP","Data Converters":"A/D 23x12b; D/A 2x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Program Memory Size":"160KB (160K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 105°C (TA)","Supplier Device Package":"64-LQFP (10x10)","Voltage - Supply (Vcc/Vdd)":"2.7V ~ 5.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$7.38","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$7.38000","currency":"USD"},{"qty":10,"price":"$6.66700","currency":"USD"},{"qty":25,"price":"$6.35640","currency":"USD"},{"qty":160,"price":"$5.51925","currency":"USD"},{"qty":320,"price":"$5.27119","currency":"USD"},{"qty":480,"price":"$4.80608","currency":"USD"},{"qty":960,"price":"$4.18595","currency":"USD"},{"qty":2400,"price":"$4.03091","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/3e98a9cbd26b0ccf9a25cbbbfa0bce1b.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to the CY9BF122LPMC1-G-MNE2 in the FM3 MB9B120M family?","answer":"Within the same FM3 MB9B120M series, the higher-density siblings (e.g., MB9BF124 with 288 KB flash) share the same 64-LQFP footprint and pinout for the core signals. The peripheral set and register map are identical, so a firmware port requires only adjusting the memory map and linker script. No official cross-reference number is published by Infineon."},{"question":"What compliance documentation does Infineon provide for the CY9BF122LPMC1-G-MNE2?","answer":"Infineon provides a RoHS3 compliance declaration (2011/65/EU + 2015/863) and a REACH statement. The part is also WEEE compliant. No UL or IEC certification is listed on the standard product page."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/CY9BF122LPMC1-G-MNE2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/CY9BF122LPMC1-G-MNE2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}