ATSAM4E8CB-AN - 120MHz Cortex-M4 512KB MCU | Microchip
MPN： ATSAM4E8CB-AN ✓ 啟用中ATSAM4E8CB-AN 概覽
An ARM Cortex-M4 microcontroller is a low-power embedded-processing component that executes firmware from internal flash while using SRAM for working data and stack operations. The Cortex-M4 architecture belongs to the broader ARM processor family and provides a conventional pipeline, exception handling, and integrated DSP instructions. This SAM4E device is a microcontroller IC rather than a general-purpose processor because it integrates memory and embedded peripherals within one compact package.
Verified product information identifies a maximum clock frequency of 120 MHz, 512 KB of flash organized as 512K x 8 bits, and 128 KB of SRAM. The processor-based design includes a floating-point unit and a high-data-bandwidth architecture. The green package, extended-temperature ordering designation, and revision B marking provide useful procurement and lifecycle information for industrial embedded-product planning.
The 100-LQFP package provides a substantial pin count for embedded interfaces and board-level routing while remaining compatible with mainstream leaded-package assembly processes. Compared with a smaller microcontroller package, the ATSAM4E8C family offers more connection options for mixed-signal, communications, control, and data-acquisition products. The 14 x 14 mm footprint is nevertheless larger than compact QFN and DFN alternatives.
Typical uses include industrial automation controllers, connected industrial equipment, medical monitoring instruments, building and access-control systems, and embedded communications gateways. Its 120 MHz Cortex-M4 core and 512 KB flash provide margin for protocol stacks, control loops, data logging, and supervisory firmware, while the floating-point unit supports calculations involving fractional or floating-point values.
Designers should verify the complete pinout, peripheral configuration, clock plan, and operating limits against the manufacturer datasheet before layout release. The verified data confirms the MCU identity, processor, memory, frequency, and package, but it does not provide the detailed pin names, individual peripheral ratings, or complete electrical operating limits needed for a production schematic.
This page combines verified distributor availability, exact published pricing, package information, lifecycle guidance, family alternatives, and practical selection guidance. It also distinguishes documented characteristics from parameters that still require confirmation from the ATSAM4E8C datasheet and errata, providing a more engineering-focused basis for sourcing and design review.
直接替換替代品，適用於 ATSAM4E8CB-AN — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ATSAM4E8CB-AN （相同外形與佔位） — 差異在於 Flash Memory, Package.
ATSAM4E8CB-AU
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
ATSAM4E8C-AU
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
ATSAM4E8C-AN
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
ATSAM4E8CB-AN 最大額定值與電氣特性
| Product Type | 32-bit ARM Cortex-M4 SAM4E microcontroller |
| Processor Core | ARM Cortex-M4 |
| Maximum CPU Frequency | 120 MHz |
| Architecture | 32-bit |
| Flash Memory | 512 KB (512K x 8 bits) |
| SRAM | 128 KB |
| Floating-Point Unit | Yes |
| Architecture Feature | High data bandwidth architecture |
| 封裝 | 100-pin LQFP (14 x 14 mm) |
| Package Color | Green |
| Temperature Grade | Extended temperature |
| Silicon Revision | Revision B |
| 安裝類型 | Surface mount |
| Product Series | SAM4E |
| Processor Type | ARM Cortex-M4 processor-based microcontroller |
| Published Reference Price | $12.6184 per unit |
ATSAM4E8CB-AN green 腳位配置指南
ATSAM4E8CB-AN（green 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： ATSAM4E8CB-AN.
請參閱 資料表 以查看完整腳位配置。
典型應用
ATSAM4E8CB-AN 適用於 6 應用s: Industrial Automation Controllers, Medical Monitoring Instruments, Building Access Control Systems, Industrial Communication Gateways, Data Acquisition and Control, Embedded Communications Equipment.
Industrial Automation Controllers
The ATSAM4E8CB-AN fits industrial automation controllers that require real-time processing, local data handling, and a manageable 100-pin LQFP interface count. Its 120 MHz ARM Cortex-M4 processor and 512 KB of flash provide capacity for supervisory logic, state-machine control, communication stacks, and parameter storage, while 128 KB of SRAM supports working buffers. The floating-point unit can assist with proportional, filtering, or motion-related calculations without requiring an external accelerator. The verified extended-temperature ordering information makes the device a candidate for industrial equipment, although engineers must confirm the full electrical limits, communication peripherals, and qualification requirements in the ATSAM4E8C documentation before final design approval.
推薦
Medical Monitoring Instruments
The ATSAM4E8CB-AN is a candidate for embedded medical monitoring equipment where a control system must combine deterministic control with communications and data logging. The 120 MHz Cortex-M4 core can execute acquisition control, signal-processing, and user-interface tasks, while 512 KB of flash accommodates firmware and nonvolatile parameters and 128 KB of SRAM supports buffered samples. Its floating-point unit may benefit scaling and filtering algorithms. Because the supplied data does not identify medical-specific certification or safety classification, the device should not be assumed suitable for a regulated clinical role without a documented risk assessment, electrical verification, and compliance review.
推薦
Building Access Control Systems
The ATSAM4E8CB-AN can serve in access-control and security equipment requiring persistent network handling, local credential logic, and multiple peripheral connections. Its 512 KB flash provides room for application firmware and configuration, while the 120 MHz Cortex-M4 core can manage protocol processing and real-time actuator decisions. The 100-pin LQFP offers more board-level interface options than a small microcontroller package and may simplify connections to readers, lock-control circuitry, status indicators, and communications transceivers. The verified data does not list the complete peripheral set, so final suitability depends on confirming required interfaces, voltage levels, timing, and security requirements from the manufacturer datasheet.
推薦
Industrial Communication Gateways
The ATSAM4E8CB-AN is suitable for protocol-conversion and industrial gateway concepts built around the SAM4E platform. Its 120 MHz Cortex-M4 processing capability supports simultaneous handling of serial traffic, routing logic, diagnostics, and local configuration, while 512 KB of flash and 128 KB of SRAM provide storage for firmware and packet buffers. The floating-point unit and high-data-bandwidth architecture can assist throughput-oriented control tasks. Engineers should verify the exact communication peripherals, DMA behavior, Ethernet or serial interfaces, and electrical characteristics before assigning network traffic, since those details are not exposed in the supplied verified snippets.
推薦
Data Acquisition and Control
The ATSAM4E8CB-AN can anchor a data-acquisition and control subsystem that needs more local memory and processing than a basic 8-bit controller. The 120 MHz Cortex-M4 core supports timing, scaling, filtering, and supervisory logic, while 512 KB of flash stores firmware and 128 KB of SRAM can hold acquisition buffers or intermediate results. The 100-pin LQFP provides a practical route to multiple sensors, converters, and digital interfaces. Exact analog-front-end integration, converter resolution, sampling timing, and peripheral assignments are not specified in the verified data and must be checked against the ATSAM4E8C datasheet and pin table.
推薦
Embedded Communications Equipment
The ATSAM4E8CB-AN fits embedded communications equipment requiring a balance of processing performance, firmware capacity, and a leaded surface-mount package. Its 120 MHz Cortex-M4 core can handle protocol state machines, payload processing, and control functions, while 512 KB of flash provides room for a bootloader and application image. The 128 KB of SRAM supports transient buffers, and the high-data-bandwidth architecture is relevant to systems moving serial or network data. Designers should verify the exact available UART, SPI, USB, CAN, and Ethernet resources against the current manufacturer documentation before selecting companion transceivers or defining the board architecture.
推薦
推薦產品摘要
工程參考資料，適用於 ATSAM4E8CB-AN — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | ATSAM4E8CB-AU | ATSAM4E8C-AU | ATSAM4E8C-AN |
|---|---|---|---|---|
| Package | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Processor Core | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 |
| Maximum CPU Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Floating-Point Unit | Yes | Yes | Yes | Yes |
主要差異化特點
- Explicit revision B identity (對比ATSAM4E8C-AN)
- Verified 512 KB flash configuration (對比ATSAM4E8C-AU)
- Documented 120 MHz Cortex-M4 processing class (對比ATSAM4E8CB-AU)
- Confirmed green 100-LQFP ordering configuration (對比ATSAM4E8C-AN)
設計說明
Do not release a PCB or firmware solely from the ATSAM4E8CB-AN family name and distributor headline specifications. The verified data confirms the 100-LQFP package, 120 MHz Cortex-M4 core, 512 KB flash, and 128 KB SRAM, but it does not expose individual pin assignments, alternate-function multiplexing, or exposed-pad requirements. Download the current Microchip ATSAM4E8C datasheet and errata, then check every power, ground, reset, clock, debug, and peripheral connection against the selected ordering code.
Budget the ATSAM4E8CB-AN only after obtaining its verified supply-voltage range and mode-dependent current specifications. The supplied web data contains no operating voltage, active current, or sleep-current values, so a numerical power calculation would be speculative. For a functioning design, include the core and I/O current, regulator efficiency, startup behavior, and peripheral loading in the system power budget, and provide local bypass capacitance exactly as directed by the manufacturer reference design.
Use the verified 14 x 14 mm 100-LQFP footprint and follow the current Microchip land pattern, solder-mask, paste, and thermal-pad details rather than generating dimensions from a generic LQFP library. Preserve the package orientation defined by pin 1 and the exposed thermal pad, if present. Because the supplied source does not include a complete pin table or package drawing, a CAD footprint should be cross-checked mechanically and electrically before fabrication.
Plan the 100-pin device around the complete ATSAM4E8C peripheral map rather than only the functions mentioned in the distributor summary. The verified material confirms a floating-point unit and high-data-bandwidth architecture but does not enumerate communication interfaces or DMA resources. Review pin-mux options and package alternatives in the official documentation, reserve pins for programming and debug, and route high-speed or sensitive interfaces away from potential switching nodes before final placement.
合規資訊
The verified data identifies a green package and extended-temperature ordering designation but does not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. AEC-Q100 is not applicable to this general-purpose industrial microcontroller classification unless Microchip separately qualifies a specific ordering code.