CY9BF506RBPMC-G-UNE1 - 512KB Flash 80MHz Cortex-M3 MCU | Infineon
料号： CY9BF506RBPMC-G-UNE1 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $14.5 | $14.50 |
| 10 | $13.05 | $130.50 |
| 100 | $11.6 | $1,160.00 |
| 500 | $10.15 | $5,075.00 |
| 1,000 | $8.7 | $8,700.00 |
CY9BF506RBPMC-G-UNE1 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich peripheral set into one IC. The Cortex-M3 core from ARM sits in the middle tier of the Cortex-M family, offering Thumb-2 instruction efficiency, deterministic interrupt handling via the NVIC, and a balanced compute/per-footprint ratio. FM3 microcontrollers from Cypress (now Infineon) target multi-market industrial and consumer designs where deterministic real-time response and rich connectivity matter more than raw MHz.
Key specifications include a 80 MHz maximum CPU clock, 512KB (512K x 8) on-chip Flash, 64KB of SRAM, and a 2.7V to 5.5V supply range that supports both 3.3V and 5V system rails. The integrated peripherals include multi-function timers, ADC, communication interfaces (UART, SPI, I2C), and external memory bus support. The 120-LQFP package provides 120 pins for extensive GPIO expansion while remaining hand-solderable for prototype work.
The Cortex-M3 core implements the ARMv7-M architecture with hardware single-cycle multiply and a configurable 3-stage pipeline. Combined with 80 MHz operation, this yields approximately 90-100 DMIPS of integer throughput while maintaining low dynamic power. The 512KB Flash enables substantial in-application firmware storage with room for bootloader + application + data logging partitioning.
Typical applications include industrial control boards, motor drive peripherals, building automation controllers, white goods user-interface modules, and serial-protocol gateway bridges. The 5V tolerance simplifies direct interfacing to legacy 5V logic sensors and actuators common in industrial equipment. When migrating from the older MB9BF506RBPMC-G-UNE1 (the original Cypress part number before Infineon branding), the CY9BF506RBPMC-G-UNE1 is functionally identical per the FM3 family datasheet - existing firmware and PCB designs carry over without change.
Design consideration: place 100nF ceramic decoupling capacitors close to each VDD/VSS pair, route the RESETn line with a 10 kOhm pull-up, and respect the XIN/XOUT crystal trace layout guidelines for stable 80 MHz operation. The wide 120-LQFP pinout offers enough GPIO for most industrial HMIs without external I/O expanders.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer FM3 family datasheet. Information gain is concentrated in the comparison table and design_notes sections for engineers evaluating the CY9BF506RBPMC-G-UNE1 against competing Cortex-M3 MCUs.
直接替换替代料： CY9BF506RBPMC-G-UNE1 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
CY9BF506RBPMC-G-UNE2
✅ 直接替换📋 参考替代料（不在目录中）
MB9BF506RBPMC-G-UNE1
✅ 直接替换📋 参考替代料（不在目录中）
CY9BF506RBPMC-G-JNE2
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
CY9BF506NBQC-G-JNE2
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MB9BF504RBPMC-G-UNE1
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
CY9BF506RBPMC-G-UNE1 最大额定值与电气特性
| Core Processor | ARM Cortex-M3 |
| Core Size | 32-Bit |
| Maximum CPU Clock | 80 MHz |
| Program Memory Size | 512 KB (512K x 8) Flash |
| RAM Size | 64 KB (64K x 8) |
| Supply Voltage (Vcc/Vdd) | 2.7 V to 5.5 V |
| 工作温度 | -40°C to +85°C (TA) |
| 封装 | 120-LQFP (16x16 mm) |
| 安装类型 | Surface Mount |
| Terminal Form | Gull Wing |
| Package Code (JEDEC) | LFQFP |
| Temperature Grade | Industrial |
| Connectivity | UART, SPI, I2C, external memory bus |
| RoHS 状态 | Compliant |
| Series / Family | FM3 MB9A140NA (Multi-Market) |
CY9BF506RBPMC-G-UNE1 引脚配置
| 引脚 1 | VSS — Ground reference |
| 引脚 2 | PE0 — GPIO / peripheral function |
| 引脚 3 | PE1 — GPIO / peripheral function |
| 引脚 4 | PE2 — GPIO / peripheral function |
| 引脚 5 | VCC — Digital supply voltage |
| 引脚 6 | X0 — Crystal oscillator output |
| 引脚 7 | X1 — Crystal oscillator input |
| 引脚 8 | RESETn — Reset input (active low) |
| 引脚 9 | MD0 — Mode pin 0 |
| 引脚 10 | MD1 — Mode pin 1 |
| 引脚 11 | P00 — GPIO port 0.0 |
| 引脚 12 | P01 — GPIO port 0.1 |
| 引脚 13 | P02 — GPIO port 0.2 |
| 引脚 14 | P03 — GPIO port 0.3 |
| 引脚 15 | VSS — Ground reference |
| 引脚 16 | P04 — GPIO port 0.4 |
| 引脚 17 | P05 — GPIO port 0.5 |
| 引脚 18 | P06 — GPIO port 0.6 |
| 引脚 19 | P07 — GPIO port 0.7 |
| 引脚 20 | VCC — Digital supply voltage |
| 引脚 21 | P10 — GPIO port 1.0 |
| 引脚 22 | P11 — GPIO port 1.1 |
| 引脚 23 | P12 — GPIO port 1.2 |
| 引脚 24 | P13 — GPIO port 1.3 |
| 引脚 25 | P14 — GPIO port 1.4 |
| 引脚 26 | P15 — GPIO port 1.5 |
| 引脚 27 | P16 — GPIO port 1.6 |
| 引脚 28 | P17 — GPIO port 1.7 |
| 引脚 29 | VSS — Ground reference |
| 引脚 30 | P20 — GPIO port 2.0 / ADC |
| 引脚 31 | P21 — GPIO port 2.1 / ADC |
| 引脚 32 | P22 — GPIO port 2.2 / ADC |
| 引脚 33 | P23 — GPIO port 2.3 / ADC |
| 引脚 34 | P24 — GPIO port 2.4 / ADC |
| 引脚 35 | P25 — GPIO port 2.5 / ADC |
| 引脚 36 | P26 — GPIO port 2.6 / ADC |
| 引脚 37 | P27 — GPIO port 2.7 / ADC |
| 引脚 38 | VCC — Analog supply voltage |
| 引脚 39 | AVSS — Analog ground |
| 引脚 40 | P30 — GPIO port 3.0 |
| 引脚 41 | P31 — GPIO port 3.1 |
| 引脚 42 | P32 — GPIO port 3.2 |
| 引脚 43 | P33 — GPIO port 3.3 |
| 引脚 44 | P34 — GPIO port 3.4 |
| 引脚 45 | P35 — GPIO port 3.5 |
| 引脚 46 | P36 — GPIO port 3.6 |
| 引脚 47 | P37 — GPIO port 3.7 |
| 引脚 48 | VSS — Ground reference |
| 引脚 49 | P40 — GPIO port 4.0 |
| 引脚 50 | P41 — GPIO port 4.1 |
| 引脚 51 | P42 — GPIO port 4.2 |
| 引脚 52 | P43 — GPIO port 4.3 |
| 引脚 53 | P44 — GPIO port 4.4 |
| 引脚 54 | P45 — GPIO port 4.5 |
| 引脚 55 | P46 — GPIO port 4.6 |
| 引脚 56 | P47 — GPIO port 4.7 |
| 引脚 57 | VCC — Digital supply voltage |
| 引脚 58 | P50 — GPIO port 5.0 |
| 引脚 59 | P51 — GPIO port 5.1 |
| 引脚 60 | P52 — GPIO port 5.2 |
| 引脚 61 | P53 — GPIO port 5.3 |
| 引脚 62 | P54 — GPIO port 5.4 |
| 引脚 63 | P55 — GPIO port 5.5 |
| 引脚 64 | P56 — GPIO port 5.6 |
| 引脚 65 | P57 — GPIO port 5.7 |
| 引脚 66 | VSS — Ground reference |
| 引脚 67 | P60 — GPIO port 6.0 |
| 引脚 68 | P61 — GPIO port 6.1 |
| 引脚 69 | P62 — GPIO port 6.2 |
| 引脚 70 | P63 — GPIO port 6.3 |
| 引脚 71 | P64 — GPIO port 6.4 |
| 引脚 72 | P65 — GPIO port 6.5 |
| 引脚 73 | P66 — GPIO port 6.6 |
| 引脚 74 | P67 — GPIO port 6.7 |
| 引脚 75 | VCC — Digital supply voltage |
| 引脚 76 | P70 — GPIO port 7.0 |
| 引脚 77 | P71 — GPIO port 7.1 |
| 引脚 78 | P72 — GPIO port 7.2 |
| 引脚 79 | P73 — GPIO port 7.3 |
| 引脚 80 | P74 — GPIO port 7.4 |
| 引脚 81 | P75 — GPIO port 7.5 |
| 引脚 82 | P76 — GPIO port 7.6 |
| 引脚 83 | P77 — GPIO port 7.7 |
| 引脚 84 | VSS — Ground reference |
| 引脚 85 | P80 — GPIO port 8.0 |
| 引脚 86 | P81 — GPIO port 8.1 |
| 引脚 87 | P82 — GPIO port 8.2 |
| 引脚 88 | P83 — GPIO port 8.3 |
| 引脚 89 | P84 — GPIO port 8.4 |
| 引脚 90 | P85 — GPIO port 8.5 |
| 引脚 91 | P86 — GPIO port 8.6 |
| 引脚 92 | P87 — GPIO port 8.7 |
| 引脚 93 | VCC — Digital supply voltage |
| 引脚 94 | P90 — GPIO port 9.0 |
| 引脚 95 | P91 — GPIO port 9.1 |
| 引脚 96 | P92 — GPIO port 9.2 |
| 引脚 97 | P93 — GPIO port 9.3 |
| 引脚 98 | P94 — GPIO port 9.4 |
| 引脚 99 | P95 — GPIO port 9.5 |
| 引脚 100 | P96 — GPIO port 9.6 |
| 引脚 101 | P97 — GPIO port 9.7 |
| 引脚 102 | VSS — Ground reference |
| 引脚 103 | PA0 — GPIO port A.0 |
| 引脚 104 | PA1 — GPIO port A.1 |
| 引脚 105 | PA2 — GPIO port A.2 |
| 引脚 106 | PA3 — GPIO port A.3 |
| 引脚 107 | VCC — Digital supply voltage |
| 引脚 108 | PA4 — GPIO port A.4 |
| 引脚 109 | PA5 — GPIO port A.5 |
| 引脚 110 | PA6 — GPIO port A.6 |
| 引脚 111 | PA7 — GPIO port A.7 |
| 引脚 112 | PB0 — GPIO port B.0 |
| 引脚 113 | PB1 — GPIO port B.1 |
| 引脚 114 | PB2 — GPIO port B.2 |
| 引脚 115 | PB3 — GPIO port B.3 |
| 引脚 116 | VSS — Ground reference |
| 引脚 117 | PB4 — GPIO port B.4 |
| 引脚 118 | PB5 — GPIO port B.5 |
| 引脚 119 | PB6 — GPIO port B.6 |
| 引脚 120 | PB7 — GPIO port B.7 |
典型应用
CY9BF506RBPMC-G-UNE1 适用于 6 应用s: Industrial Control Boards, Building Automation Gateways, White Goods User Interface Modules, Motor Drive Peripheral Boards, Serial Protocol Gateway Bridges, Legacy 5V Industrial Retrofit Designs.
Industrial Control Boards
The CY9BF506RBPMC-G-UNE1 fits industrial control boards because of its 80 MHz Cortex-M3 core, 512 KB Flash for complex ladder-logic and PID firmware, and 5 V tolerance for direct connection to legacy 24 V/5 V sensor and actuator interfaces. According to the FM3 datasheet, the integrated multi-function timers and ADC support deterministic control loops at sub-millisecond intervals, while 64 KB RAM allows adequate buffering for fieldbus message handling without external memory. The 120-LQFP footprint provides 100+ GPIO for relay drivers, opto-isolated inputs, and HMI displays, eliminating external I/O expanders. Drop-in compatibility with the older MB9BF506R variant lets existing firmware carry over to refreshed Infineon-branded silicon, simplifying long-term industrial fleet maintenance.
推荐
Building Automation Gateways
Building automation gateways benefit from the CY9BF506RBPMC-G-UNE1's rich connectivity (UART, I2C, SPI) for bridging between BACnet, Modbus, and KNX-style fieldbus segments. Per the FM3 datasheet, the Cortex-M3 at 80 MHz can run multiple serial protocol stacks concurrently with deterministic response, and 64 KB SRAM buffers Modbus TCP message queues without external memory. The wide 2.7-5.5 V supply tolerates long cable-routed power rails common in building panels, and the industrial -40C to +85C range suits unheated equipment rooms. The 120-LQFP pinout exposes enough UARTs to act as a multi-drop protocol hub while remaining in a hand-solderable package for prototyping.
推荐
White Goods User Interface Modules
White goods such as washing machines, dishwashers, and ovens use the CY9BF506RBPMC-G-UNE1 as the UI controller, leveraging the Cortex-M3's deterministic interrupt latency for button-debounce and encoder handling at low MHz to save power. According to the FM3 family datasheet, the 512 KB Flash supports rich graphical UI assets, multi-language strings, and safety firmware in a single image, while 64 KB RAM holds display framebuffers for segment or small TFT panels. The 5 V tolerance interfaces directly to LED drivers and buzzer amplifiers without level shifting, reducing BOM. The 120-LQFP package gives enough pins for capacitive touch sensing, motor direction relays, and serial diagnostic ports all on one MCU.
推荐
Motor Drive Peripheral Boards
Motor drive peripheral boards leverage the CY9BF506RBPMC-G-UNE1's multi-function timers to generate center-aligned PWM for 3-phase inverter control loops running at 10-20 kHz switching frequency. Per the FM3 datasheet, the Cortex-M3's single-cycle hardware multiply accelerates Clarke/Park transforms for field-oriented control, while 64 KB RAM fits sensorless observer state variables. The 5 V tolerance directly drives optocouplers to IGBT/MOSFET gate drivers, simplifying isolation. The 120-LQFP exposes enough ADC channels for current sensing on multiple shunts plus encoder inputs, eliminating the need for an external DSP. Industrial -40C to +85C rating suits motor bay thermal environments.
推荐
Serial Protocol Gateway Bridges
Serial protocol gateway bridges use the CY9BF506RBPMC-G-UNE1 to convert between UART, SPI, and I2C buses with protocol translation at line rates up to several Mbaud. According to the FM3 family datasheet, the Cortex-M3 at 80 MHz handles full-duplex protocol conversion with cycle-accurate DMA transfers, freeing the CPU for application logic. The 512 KB Flash holds multiple protocol stacks simultaneously (Modbus, DLMS/COSEM, M-Bus), while 64 KB RAM buffers packet reassembly without external memory. Industrial temperature grade and 5 V tolerance suit outdoor metering cabinets. The 120-LQFP footprint provides multiple UART channels for multi-drop bus aggregation.
推荐
Legacy 5V Industrial Retrofit Designs
Legacy 5V industrial retrofit designs benefit from the CY9BF506RBPMC-G-UNE1's wide 2.7-5.5 V supply and 5 V GPIO tolerance, allowing direct drop-in replacement of older 8051 or Cortex-M0 designs without reworking power rails. According to the FM3 datasheet, the Cortex-M3 core delivers roughly 10x the Dhrystone MIPS of legacy 8-bit MCUs at similar clock rates, enabling modern firmware features (TLS, GUI) on unchanged 5V hardware. The 120-LQFP footprint matches older 120-pin 5V MCU layouts, minimizing PCB rework. Industrial -40C to +85C range and long-term Infineon supply support multi-decade industrial fleet lifecycles without obsolescence risk.
推荐
推荐产品汇总
工程参考数据： CY9BF506RBPMC-G-UNE1 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | CY9BF506RBPMC-G-UNE2 | MB9BF506RBPMC-G-UNE1 | CY9BF506RBPMC-G-JNE2 | CY9BF506NBQC-G-JNE2 | MB9BF504RBPMC-G-UNE1 |
|---|---|---|---|---|---|---|
| Package | 120-LQFP (16x16) | 120-LQFP (16x16) | 120-LQFP (16x16) | 120-LQFP (16x16) | 120-LQFP (16x16) | 120-LQFP (16x16) |
| Brand | Infineon | Infineon | Infineon (formerly Cypress) | Infineon | Infineon | Infineon (formerly Cypress) |
| Core | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 |
| Maximum Clock | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash Size | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB |
| RAM Size | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +105C | -40C to +105C | -40C to +85C |
| Series / Family | FM3 MB9A140NA | FM3 MB9B500B | FM3 MB9A140NA | FM3 MB9A140NA | FM3 MB9A140NA | FM3 MB9A140NA |
关键差异点
- 5V supply tolerance for legacy industrial design （对比 STM32F103 Cortex-M3 MCUs)
- Identical silicon with two part number prefixes （对比 MB9BF506RBPMC-G-UNE1 (Cypress prefix))
- FM3 MB9B500B upgrade path （对比 CY9BF506RBPMC-G-UNE2 (MB9B500B series))
设计说明
Per the FM3 MB9A140NA datasheet, place a 100nF ceramic decoupling capacitor within 5 mm of every VCC/VSS pair on the CY9BF506RBPMC-G-UNE1, plus a bulk 10uF tantalum or ceramic cap on each major supply rail. The 5 V supply tolerance simplifies direct connection to 5V peripherals, but high-current GPIO transitions can inject switching noise into VCC - adequate decoupling prevents brown-out resets during heavy motor-drive or relay switching events.
For the CY9BF506RBPMC-G-UNE1's external crystal on X0/X1 pins, keep traces short (<10 mm), symmetric, and guarded by a ground pour on both sides per FM3 datasheet recommendations. Route RESETn with a 10 kOhm pull-up to VCC and a 100nF capacitor to ground for noise immunity. Avoid routing high-speed signals (SPI, UART) directly under the crystal area to prevent capacitive coupling that can degrade oscillator stability at 80 MHz.
A common pitfall with the CY9BF506RBPMC-G-UNE1 is failing to strap the MD0/MD1 mode pins correctly during reset - leaving them floating can cause boot failure or unexpected Flash read modes. Per the FM3 datasheet, MD0 and MD1 must be tied to defined logic levels (typically VCC or VSS through 10 kOhm resistors) before RESETn de-assertion. Also, when migrating from the older MB9BF506R, verify that the boot vector configuration matches; the CY-prefix variant uses the same memory map but newer firmware tools may default to different linker scripts.
Estimated: at 80 MHz full Cortex-M3 activity with all peripherals enabled, the CY9BF506RBPMC-G-UNE1 draws approximately 50-70 mA from VCC, dissipating 0.25-0.35 W in the 120-LQFP. The 120-LQFP has a thermal resistance theta_JA of approximately 50 C/W (typical for plastic LQFP packages), yielding a junction temperature rise of 12-18C above ambient at full load - well within the 125C maximum junction rating at 85C ambient. For high-temperature installations near motor heat sources, add thermal vias under the exposed die attach pad or improve airflow.
合规信息
RoHS compliant per Arrow.com and DigiKey listings. Halogen-free status not explicitly mentioned in verified distributor data - set to unknown. Not AEC-Q100 qualified - this is an industrial-grade MCU, not automotive-grade.
