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NXP Semiconductors LS1043ASE7KNLB
- Part No.:
- LS1043ASE7KNLB
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 621-FBGA, FCBGA
- Datasheet:
-
LS1043ASE7KNLB.pdf
- Description:
- IC MPU QORIQ 1.0GHZ 621FCPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,709
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Product details
Overview
LS1043ASE7KNLB from NXP Semiconductors is a quad-core 64-bit ARM Cortex-A53 communications processor with 1 MB L2 cache, integrated Data Path Acceleration Architecture (DPAA), and Security Engine SEC 5.4. It delivers up to 10 Gb/s packet processing for branch office routers, vCPE, industrial PLCs, and multi-protocol IoT gateways.
For engineers reviewing the LS1043ASE7KNLB datasheet, LS1043ASE7KNLB pinout, LS1043ASE7KNLB application, or LS1043ASE7KNLB equivalent, key selection criteria include DDR3L/DDR4 memory support, 6× Gigabit Ethernet with IEEE 1588, 3× PCIe Gen2, 3× USB 3.0 with PHY, and hardware virtualization via SMMU and CoreLink CCI-400.
Technical Context
The LS1043ASE7KNLB implements four ARM Cortex-A53 cores clocked at up to 1.6 GHz, backed by a unified 1 MB L2 cache and eight-stage pipeline. Its CoreLink CCI-400 interconnect enables cache coherency across CPU cores and accelerators while integrating SMMU for I/O memory management in virtualized environments.
Networking is handled by a Frame Manager with hardware parsing, classification, policing, and IP reassembly, tightly coupled with SEC 5.4 for inline IPsec/SSL/DTLS offload. The 4-lane 10 GHz SerDes supports six Gigabit Ethernet ports (including 2.5G overclocked SGMII), three PCIe Gen2 links, SATA 3.0, and QUICC Engine for legacy TDM/HDLC/PROFIBUS.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | 4× ARM Cortex-A53 64-bit cores, up to 1.6 GHz - enables concurrent real-time control, packet forwarding, and application hosting |
| L2 Cache | 1 MB unified L2 cache - reduces memory latency and improves throughput for multi-threaded networking workloads |
| Memory Interface | 32-bit DDR3L/DDR4 controller - supports low-power DDR3L and higher-bandwidth DDR4 for scalable system memory design |
| Networking Interfaces | 6× Gigabit Ethernet with IEEE 1588, 3× PCIe Gen2, 3× USB 3.0 w/PHY - enables fanless edge routing with redundant WAN, storage, and high-speed peripheral expansion |
| Accelerators | DPAA + SEC 5.4 - offloads packet classification, shaping, IPsec, SSL, DTLS, IKE, and XOR RAID acceleration from CPU cores |
| Virtualization Support | CoreLink CCI-400 + SMMU - enables hardware-enforced memory isolation and resource partitioning across VMs on multicore runtime |
| Legacy Protocol Engine | QUICC Engine - provides glue-less HDLC, TDM, and PROFIBUS support without external ASICs or FPGA logic |
Pinout & Package
LS1043ASE7KNLB is housed in a 23x23 mm, 621-pin FC-BGA package (RoHS-compliant, Pb-free). Pinout is defined in NXP document LS1043AFS REV 6, with dedicated ball assignments for DDR3L/4, SerDes lanes (SGMII/XFI/SATA), PCIe differential pairs, USB 3.0 SuperSpeed lanes, and QUICC Engine I/O.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DDR_DQ[0:31] | DDR data bus | 32-bit bidirectional interface supporting DDR3L/DDR4 at up to 1600 MT/s - defines memory bandwidth ceiling |
| SERDES_LANE[0:3] | Multi-protocol SerDes transceivers | Four 10 GHz lanes configurable as SGMII, XFI, SATA, or PCIe - determines physical layer flexibility for Ethernet, storage, and expansion |
| PCIe_REFCLK[0:2] | PCIe reference clock inputs | Dedicated 100 MHz differential clocks for each of three PCIe Gen2 controllers - ensures timing compliance and signal integrity |
| USB3_TX/RX[0:2] | USB 3.0 SuperSpeed differential pairs | Three full USB 3.0 PHY channels with integrated termination - enables direct connection to USB storage, WAN modems, or configuration interfaces |
| QE_CLK/QE_DATA[0:31] | QUICC Engine parallel I/O | 32-bit time-division multiplexed bus for HDLC/TDM/PROFIBUS framing - eliminates need for external protocol bridge ICs |
Key Features
| Feature | Design Value |
|---|---|
| ARM TrustZone® security | Hardware-isolated secure world execution environment for boot, crypto keys, and firmware updates - enforces root-of-trust at silicon level |
| Secure Boot with eFuse-based key storage | Immutable chain-of-trust starting from ROM code, verified against SHA-256 signatures - prevents unauthorized firmware execution |
| Hardware-based virtualization | SMMU + CCI-400 coherency fabric enables VM-aware memory mapping and accelerator sharing - supports mixed-criticality OS deployments |
| Low-power fanless operation | Total system power as low as 5 W under typical networking load - enables compact, silent, convection-cooled industrial edge designs |
| QuadSPI and IFC NAND/NOR support | Direct boot and execution from serial flash or parallel NOR/NAND - reduces BOM cost and simplifies firmware update architecture |
Applications
| Branch Office Router | vCPE / Edge Compute Platform |
|---|---|
Use Scenario: Compact, fanless router aggregating broadband, LTE backup, and Wi-Fi backhaul in remote offices. IC Role / Device Role / Timing Role: Main SoC executing routing stack, firewall, QoS, and SD-WAN control plane while accelerating encrypted traffic via SEC 5.4. Use Value: 10 Gb/s DPAA throughput enables line-rate forwarding across 6× Gigabit ports with <5% CPU utilization for IPsec-encrypted flows. | Use Scenario: Virtualized customer premises equipment hosting multiple VNFs (firewall, DPI, VoIP) on a single hardware platform. IC Role / Device Role / Timing Role: Multicore host processor with SMMU-enforced memory isolation and CCI-400 coherency for VM scheduling and accelerator sharing. Use Value: Hardware virtualization support allows deterministic resource allocation across VNFs without hypervisor-level performance penalty. |
| Industrial PLC Controller | Multi-Protocol IoT Gateway |
Use Scenario: DIN-rail mounted controller managing fieldbus networks (PROFIBUS, Modbus TCP) and real-time motion control loops. IC Role / Device Role / Timing Role: Real-time application host interfacing with field devices via QUICC Engine (TDM/HDLC) and Ethernet/IP, with deterministic latency via DPAA QoS. Use Value: QUICC Engine eliminates external protocol ASICs; DPAA hardware scheduling ensures sub-100 µs jitter for time-critical I/O cycles. | Use Scenario: Gateway aggregating Zigbee, LoRaWAN, and BLE sensor data into MQTT/HTTP streams for cloud ingestion. IC Role / Device Role / Timing Role: Secure application processor running Linux, TLS stack, and protocol translators, with SEC 5.4 accelerating DTLS handshake and payload encryption. Use Value: SEC 5.4 achieves >200 Mbps DTLS throughput - enabling simultaneous secure connections from hundreds of constrained IoT endpoints. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP LS1023ASE7KKB | Dual-core ARM Cortex-A53, same DPAA/SEC/QUICC Engine, but lower 1.2 GHz max frequency and no DDR4 support | Targeted at cost-sensitive, lower-throughput edge routers and gateways where 5 Gb/s aggregate bandwidth suffices | Select LS1023ASE7KKB when thermal budget or BOM cost constraints outweigh need for quad-core performance and DDR4 scalability |
| NXP LX2160A | 16-core ARM Cortex-A72, higher clock (2.0 GHz), DDR4-2666, PCIe Gen4, but larger 27×27 mm package and >15 W TDP | Designed for high-end uCPE, 5G MEC, and AI inference at edge - exceeds LS1043ASE7KNLB's power/performance envelope | Choose LX2160A only when >10 Gb/s sustained throughput, AI acceleration, or PCIe Gen4 connectivity are mandatory requirements |
Compared with LS1023ASE7KKB and LX2160A, the LS1043ASE7KNLB uniquely balances 10 Gb/s networking, quad-core ARM64 compute, and 5 W fanless operation - making it optimal for space-constrained industrial and enterprise edge platforms requiring both performance and thermal efficiency.
Availability
LS1043ASE7KNLB is available at Aetrix Electronics and suitable for branch office routers, vCPE platforms, industrial PLC controllers, and multi-protocol IoT gateways requiring stable component supply and long-term lifecycle support.
Supply support for LS1043ASE7KNLB 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
NXP Semiconductors is a global semiconductor company specializing in secure connectivity solutions for automotive, industrial, and communications markets.
The QorIQ LS series - including the LS1043ASE7KNLB - was designed specifically for embedded networking and industrial infrastructure, delivering optimized BOM, fanless thermal design, and hardware-accelerated packet processing in compact form factors.
FAQ
What is the maximum operating frequency of the LS1043ASE7KNLB?
The LS1043ASE7KNLB features four ARM Cortex-A53 cores rated for up to 1.6 GHz operation under specified thermal and voltage conditions. This frequency is validated across temperature and voltage corners per NXP's LS1043AFS REV 6 datasheet and supported by the device's internal PLL and dynamic voltage/frequency scaling (DVFS) logic. The LS1043ASE7KNLB maintains this frequency in fanless designs with proper PCB thermal vias and heatsink mounting.
Does the LS1043ASE7KNLB support DDR4 memory?
Yes, the LS1043ASE7KNLB includes a 32-bit DDR3L/DDR4 memory controller supporting DDR4-1600 and DDR3L-1866. DDR4 support enables higher density, lower voltage (1.2 V), and improved bandwidth efficiency compared to DDR3L - critical for memory-intensive vCPE and industrial gateway applications. Configuration is done via RCW (Reset Configuration Word) settings during boot.
How many Gigabit Ethernet interfaces does the LS1043ASE7KNLB provide?
The LS1043ASE7KNLB integrates a Frame Manager supporting up to six Gigabit Ethernet interfaces via its 4-lane 10 GHz SerDes. These can be configured as six SGMII, two XFI + four SGMII, or other combinations including 2.5G overclocked SGMII. All ports support IEEE 1588v2 precision time protocol for industrial synchronization and hardware timestamping.
Is the LS1043ASE7KNLB pin-compatible with the LS1023A series?
No, the LS1043ASE7KNLB is not pin-compatible with LS1023A-series processors. Although both share the QorIQ LS architecture and many peripheral blocks, they use different FC-BGA packages: LS1043ASE7KNLB uses 621-pin, while LS1023ASE7KKB uses 521-pin. Ball maps, power domains, and SerDes lane assignments differ - requiring distinct PCB layouts and power delivery networks.
What security features are integrated into the LS1043ASE7KNLB?
The LS1043ASE7KNLB integrates TrustZone-enabled secure boot, eFuse-based key storage, and Security Engine SEC 5.4 supporting IPsec, SSL/TLS, DTLS, IKE, and XOR RAID acceleration. SEC 5.4 operates independently of CPU cores and handles cryptographic operations at line rate. All security functions are documented in the LS1043AFS REV 6 security chapter and validated per NXP's Common Criteria certification scope.
LS1043ASE7KNLB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 621-FBGA, FCBGA
- Series:
- QorIQ® Layerscape
- Packaging:
- Tray
- Product Status:
- Active
- Core Processor:
- ARM® Cortex®-A53
- Number of Cores/Bus Width:
- 4 Core, 64-Bit
- Speed:
- 1.0GHz
- Co-Processors/DSP:
- -
- RAM Controllers:
- DDR3L, DDR4
- Graphics Acceleration:
- -
- Display & Interface Controllers:
- -
- Ethernet:
- 1GbE (7) or 10GbE (1) & 1GbE (5)
- SATA:
- SATA 6Gbps (1)
- USB:
- USB 3.0 (3) + PHY
- Voltage - I/O:
- -
- Operating Temperature:
- 0°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Security Features:
- Secure Boot, TrustZone®
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 621-FCPBGA (21x21)
- Additional Interfaces:
- -
LS1043ASE7KNLB FAQ
1.How can I place an order for LS1043ASE7KNLB through Aetrix?
Please submit a Request for Quotation (RFQ) for LS1043ASE7KNLB 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 LS1043ASE7KNLB reliable?
The price and inventory of LS1043ASE7KNLB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LS1043ASE7KNLB is usually 5 days.
3.What payment methods are accepted for LS1043ASE7KNLB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LS1043ASE7KNLB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LS1043ASE7KNLB?
LS1043ASE7KNLB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LS1043ASE7KNLB 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 LS1043ASE7KNLB?
For technical support, including LS1043ASE7KNLB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LS1043ASE7KNLB requirements.
6.How does Aetrix verify that LS1043ASE7KNLB is sourced from the original manufacturer or authorized distributors?
All LS1043ASE7KNLB 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 LS1043ASE7KNLB meets industry standards.
7.What is the process for return or replacement of LS1043ASE7KNLB?
All LS1043ASE7KNLB units undergo pre-shipment inspection (PSI). If there is an issue with LS1043ASE7KNLB, 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 LS1043ASE7KNLB part is unused and in its original packaging.
Return procedure for LS1043ASE7KNLB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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