LS1021AXE7KQB - 1GHz Dual-Core ARM Processor | NXP
料号： LS1021AXE7KQB ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
LS1021AXE7KQB 概述
A communications processor is an application-specific microprocessor that combines general-purpose processing cores with interfaces optimized for network and control traffic. In the product hierarchy, the LS1021AXE7KQB is a QorIQ processor, a networking microprocessor, an embedded processor, and a semiconductor. Its Layerscape architecture is designed for efficient packet processing in fanless, small-form-factor enterprise networking products.
The dual Cortex-A7 configuration provides parallel processing for control-plane tasks, protocol handling, and networking workloads. NXP describes the LS1021A family as delivering over 7,000 CoreMarks, supporting virtualization and advanced security features, and using a broad set of high-speed interconnects with optimized peripherals. The same family documentation states operation up to 1.2 GHz, while the exact LS1021AXE7KQB distributor listing specifies 1.0 GHz.
Its 525-FCPBGA package exposes a large mixed-signal and high-speed I/O complement for multilayer PCB routing. Because the package is complex and processor designs depend on memory topology, DDR routing, clocks, power rails, Ethernet interfaces, and firmware support, replacement should never be based only on the processor name. The full pinout, ball map, power sequencing, reference-design constraints, and software-support matrix must be checked against the manufacturer documentation.
Typical uses include industrial Ethernet gateways, small-form-factor routers, managed network appliances, protocol-conversion equipment, secure embedded gateways, and fanless communications controllers. The 1 GHz dual-core organization is useful when software concurrency matters more than a maximum clock rate. Compared with a generic microcontroller, this device offers substantially more processing capacity and networking integration, but it also requires a more demanding board design.
A robust design should provide regulated multi-rail power, controlled startup sequencing, multilayer high-speed routing, decoupling close to the BGA balls, and careful thermal validation. Firmware, device-tree configuration, boot media, memory compatibility, and security provisioning also become design-critical. The page combines verified source facts with explicit data gaps to support engineering selection and sourcing without inventing package, pricing, or pin-level details.
直接替换替代料： LS1021AXE7KQB ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： LS1021AXE7KQB （相同外形与封装尺寸） ——差异在于 Package, Core Count, Lifecycle Status, Operating Temperature, Product Type.
快速对比工具——选择替代料号进行并排对比：
LS1021AXN7KQB
✅ 直接替换📋 参考替代料（不在目录中）
LS1021AXE7KQB 最大额定值与电气特性
| Product Type | QorIQ communications processor |
| Processor Core | ARM Cortex-A7 |
| Core Count | 2 cores |
| Instruction Width | 32-bit |
| Maximum Listed Frequency | 1.0 GHz |
| Architecture | Layerscape |
| Product Tier | Value-performance tier |
| 封装 | 525-FCPBGA (19 mm x 19 mm) |
| Package Pin or Ball Count | 525 balls |
| 工作温度范围 | -40°C to +105°C |
| ECC Protection | Supported by dual ARM Cortex-A7 cores |
| Virtualization Support | Supported |
| Security | Security enabled |
| Power Class | Sub-3 W processor |
| Performance | Over 7,000 CoreMarks |
| Target Application | Fanless, small-form-factor enterprise networking |
| 生命周期状态 | Active |
| MSL 等级 | 3 (168 hours) |
| REACH Status | REACH unaffected |
LS1021AXE7KQB 525 balls 引脚配置指南
LS1021AXE7KQB（525 balls 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： LS1021AXE7KQB.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LS1021AXE7KQB 适用于 6 应用s: Industrial Ethernet Gateway, Fanless Router, Managed Network Appliance, Protocol Conversion Equipment, Secure Embedded Gateway, Network Service Appliance.
Industrial Ethernet Gateway
The LS1021AXE7KQB fits an industrial Ethernet gateway because its two ARM Cortex-A7 cores can support concurrent protocol processing, management tasks, and secure network services at 1.0 GHz. The verified -40°C to +105°C range suits equipment intended to operate across industrial temperature conditions. Use the processor as the central communications controller with validated DDR, Ethernet PHYs, boot storage, and industrial I/O. The main engineering trade-off is package complexity: the 525-FCPBGA requires careful power sequencing, multilayer routing, and thermal validation rather than a simple two-layer control board.
推荐
Fanless Router
The LS1021AXE7KQB is appropriate for a fanless small-form-factor router because the QorIQ LS1021A family emphasizes power efficiency and is described as a sub-3 W processor. Dual Cortex-A7 cores can divide packet services, control-plane work, and management processes, while the 1.0 GHz device rate supports modern network workloads. The design must still account for the processor's 525-ball package and the heat generated by memory, PHYs, regulators, and switching circuitry. Fanless operation therefore requires board-level thermal testing rather than relying on the processor's power class alone.
推荐
Managed Network Appliance
The two 32-bit ARM Cortex-A7 cores in the LS1021AXE7KQB provide concurrent capacity for management planes, policy processing, diagnostics, and traffic-facing functions in a managed network appliance. NXP's Layerscape positioning targets efficient enterprise networking, while virtualization and security capabilities support consolidated embedded workloads. Compared with adding two independent microcontrollers, the integrated processor can simplify system partitioning, but software isolation and real-time scheduling must be validated. Board design should follow NXP's reference constraints for high-speed signals, memory topology, clocking, and multi-rail power delivery.
推荐
Protocol Conversion Equipment
The LS1021AXE7KQB suits protocol-conversion equipment where one embedded platform must translate between network, serial, or industrial interfaces. Its dual Cortex-A7 cores can support concurrent endpoint stacks and local control, while the communications-processor integration targets efficient packet handling. The -40°C to +105°C listing also supports industrial enclosure requirements. A practical design must verify every external interface against the exact ball map, select compatible transceivers, and create a test plan for boot recovery, firmware updates, watchdog behavior, and sustained data throughput under worst-case thermal conditions.
推荐
Secure Embedded Gateway
The LS1021AXE7KQB can serve as the compute and networking core of a secure embedded gateway because NXP describes the device as security enabled and the LS1021A architecture as including advanced security features. Dual Cortex-A7 execution capability permits isolation of security services from packet-processing workloads when the firmware and operating-system design are configured correctly. The processor's 1.0 GHz listed speed supports computation beyond a basic microcontroller. Security claims still require a complete design review covering secure boot, key provisioning, debug access, software updates, memory isolation, hardware acceleration, and deployed-system hardening.
推荐
Network Service Appliance
The LS1021AXE7KQB is a strong candidate for a network service appliance that combines local policy processing, secure administration, and protocol termination in a compact enclosure. Its dual Cortex-A7 cores support parallel software tasks, and the QorIQ Layerscape platform is explicitly oriented toward efficient networking. The package's 525 balls and high-speed interconnect requirements make reference-design discipline essential, especially around DDR and Ethernet routing. Before production, validate boot media, firmware update paths, watchdog recovery, memory ECC behavior, thermal margins, and long-duration network load rather than evaluating only nominal clock speed.
推荐
推荐产品汇总
工程参考数据： LS1021AXE7KQB ——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 | LS1021AXN7KQB |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
关键差异点
- Dual-core network processing configuration （对比 LS1021AXN7KQB)
- Verified operating temperature range （对比 LS1021AXN7KQB)
- Confirmed active lifecycle position （对比 LS1021AXN7KQB)
设计说明
Do not design the LS1021AXE7KQB power tree from processor core power alone. Follow the current NXP reference design and datasheet for every core, I/O, memory, and auxiliary rail, including sequencing, ramp limits, decoupling, and fault behavior. Estimated: use P_total = sum(V_rail x I_rail), including memory and PHYs, then size regulators and copper from actual board temperature rather than the family's sub-3 W processor figure alone. No rail voltages or current limits were supplied here.
The 525-FCPBGA makes mechanical and routing implementation design-critical. Use the manufacturer package drawing and reference PCB stack-up to define pad geometry, via-in-pad use, solder-mask design, board dimensions, and mounting or connector arrangement. Route high-speed processor, DDR, clock, and Ethernet signals on the referenced layer topology; do not derive a safe generic layer count from the package name. Validate escape routing and power delivery with the chosen PCB fabricator before release.
Validate junction and board temperatures in the final enclosure, not on a development bench. Estimated: use P_board as the measured or calculated total board dissipation and apply the PCB-specific thermal model to estimate enclosure temperature rise; the supplied sources do not provide theta-JA, theta-JC, or a verified maximum junction temperature for this exact orderable MPN. Account for memory, PHYs, regulators, airflow, enclosure materials, and worst-case ambient conditions. Fanless claims require system-level evidence.
Avoid treating a similar QorIQ MPN as a drop-in substitute. Processor migration can change DDR timing, boot interfaces, security fuses, peripheral routing, power sequencing, pin or ball multiplexing, and software binaries. The supplied cross-reference data names LS1021AXN7KQB but does not provide a verified delta. Require NXP documentation, a formal schematic and pin comparison, firmware qualification, and prototype validation before approving any replacement.
合规信息
The supplied cross-reference data states REACH unaffected and MSL 3 for 168 hours. RoHS, lead-free, halogen-free, conflict-minerals, and automotive-qualification evidence were not provided; automotive qualification is not inferred merely from the industrial temperature range.
