NXP Semiconductors LS1043ACE9PQB
- Part No.:
- LS1043ACE9PQB
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 780-BFBGA
- Datasheet:
-
LS1043ACE9PQB.pdf
- Description:
- LAYERSCAPE 64-BIT ARM CORTEX-A53
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
LS1043ACE9PQB from NXP Semiconductors is a quad-core 64-bit Arm® Cortex®-A53 system-on-chip (SoC) operating up to 1.6 GHz, featuring 1 MB ECC-protected L2 cache, DDR4/DDR3L memory controller supporting up to 1.6 GT/s, and integrated Data Path Acceleration Architecture (DPAA) for packet processing, queue management, and hardware cryptography acceleration. It targets industrial gateways and enterprise networking edge devices requiring deterministic low-latency packet forwarding.
For engineers reviewing the LS1043ACE9PQB datasheet, LS1043ACE9PQB pinout, LS1043ACE9PQB application, or LS1043ACE9PQB equivalent, key selection criteria include SerDes lane configuration (four lanes supporting PCIe 2.0 x4, SATA 3.0, SGMII up to 2.5 GbE, XFI), IEEE 1588 timestamping capability, TrustZone-enabled secure boot, and FC-PBGA 621-ball (21×21 mm) package compatibility with thermal lid mounting.
Technical Context
The LS1043ACE9PQB implements a CCI-400™ coherency interconnect fabric enabling hardware-managed data coherency across four Cortex-A53 cores and accelerators including Frame Manager (FMan), Queue Manager (QMan), Buffer Manager (BMan), and Security Engine (SEC). Its hierarchical memory subsystem includes ECC-protected 32 KB L1 instruction and data caches per core plus unified 1 MB L2 cache.
It integrates dual RGMII Ethernet interfaces with IEEE 1588v2 hardware timestamping, four high-speed SerDes lanes configurable for PCIe 2.0, SATA 3.0, SGMII (1G/2.5G), QSGMII, or XFI (10G), and peripheral controllers including three USB 3.0 ports with integrated PHYs, eSDHC supporting SD 3.0/eMMC 4.5, and QUICC Engine for TDM/HDLC protocols.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Quad-core Arm Cortex-A53, 64-bit, up to 1.6 GHz - enables concurrent real-time packet processing and control-plane tasks without software scheduling overhead. |
| L1/L2 Cache | 32 KB I-Cache + 32 KB D-Cache per core with parity/ECC; 1 MB unified L2 cache with ECC - ensures data integrity in industrial environments and reduces memory bandwidth pressure. |
| Memory Interface | 32-bit DDR4/DDR3L controller with ECC, interleaving, up to 1.6 GT/s - supports ≥8 GB RAM with error correction for carrier-grade uptime in gateway applications. |
| Networking Acceleration | DPAA with FMan, QMan, BMan, SEC - offloads packet parsing, classification, scheduling, buffer management, and AES/SHA crypto from CPU, reducing latency by >40% vs. software-only stacks. |
| SerDes Configuration | Four lanes supporting PCIe 2.0 x4, SATA 3.0, SGMII (1G/2.5G), QSGMII, XFI (10G), or 1000Base-KX - enables flexible front-panel or backplane connectivity without external retimers. |
| Security | Arm TrustZone, Secure Boot, Cryptography Extensions (AES-NI, SHA), tamper-resistant fuses - meets IEC 62443-3-3 SL2 requirements for secure firmware update and runtime attestation. |
| Package | FC-PBGA 621-ball, 21 mm × 21 mm, 0.8 mm pitch, thermal lid option - compatible with standard reflow profiles and supports ≤25 W TDP under industrial temperature range (–40°C to +105°C). |
Pinout & Package
LS1043ACE9PQB uses a 621-ball Fine-Pitch Ball Grid Array (FC-PBGA) package with 21×21 mm body size, 0.8 mm ball pitch, and thermal lid option for enhanced heat dissipation in fanless industrial deployments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| D1_MA00–D1_MA15 | DDR4/DDR3L Address Bus | 16-bit address lines for up to 32 GB memory addressing with bank/row/column decoding support. |
| D1_MDQ00–D1_MDQ31 | DDR4/DDR3L Data Bus | 32-bit bidirectional data path with DQS strobes and ECC bits (MECC0–MECC3) for single-bit error correction. |
| IFC_AD00–IFC_AD15 | Integrated Flash Controller Data/Address | 16-bit multiplexed address/data bus supporting NAND/NOR flash with 28-bit addressing and 16-bit data width. |
| EC1_TXD0–EC1_RXD3 | Ethernet Controller 1 (RGMII) | Eight-pin RGMII interface with GTX_CLK and RX_CLK for 1 GbE PHY connection and IEEE 1588 timestamp register access. |
| SD1_TX0_P/N–SD1_RX3_P/N | SerDes Lane 1 Differential Pairs | Four differential TX/RX pairs supporting PCIe, SATA, SGMII, or XFI protocols via configuration in RCW and device tree. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Packet Processing | FMan engine parses, classifies, and distributes packets at line rate (up to 10 Gbps) without CPU intervention, reducing jitter in time-sensitive networking. |
| IEEE 1588 Hardware Timestamping | Dedicated timestamp registers and sync logic in both RGMII controllers enable sub-100 ns precision for industrial automation synchronization. |
| Secure Boot Chain | ROM-based boot ROM validates signed images using SHA-256/AES-256 keys stored in eFuse, preventing unauthorized firmware execution. |
| Low-Power States | Multiple power domains support deep-sleep modes (ASLEEP) with wake-on-LAN, GPIO, or timer events - achieves <50 mW standby power in industrial gateways. |
| USB 3.0 Integration | Three USB 3.0 controllers with on-die PHYs eliminate external transceivers, reducing BOM cost and PCB area for host-peripheral connectivity. |
Applications
| Industrial Gateway | Enterprise Wireless AP |
|---|---|
|
Use Scenario: Aggregating Modbus TCP, PROFINET, and EtherNet/IP traffic from factory-floor PLCs into cloud-connected MQTT streams. IC Role / Device Role / Timing Role: Central SoC executing real-time Linux, managing protocol translation, and performing DPAA-accelerated packet filtering and QoS shaping. Use Value: Deterministic sub-50 µs packet latency and hardware timestamping ensure synchronized motion control across distributed drives. |
Use Scenario: High-density Wi-Fi 6 access point serving 128+ clients with simultaneous 2.4 GHz and 5 GHz radios and captive portal authentication. IC Role / Device Role / Timing Role: Control-plane processor handling CAPWAP termination, RADIUS client, and dynamic channel selection while offloading frame encryption to SEC. Use Value: Dual RGMII interfaces connect to two independent Wi-Fi radio modules; DPAA QMan schedules airtime fairness across SSIDs with microsecond granularity. |
| Smart Energy Router | Network Function Virtualization (NFV) Edge Node |
|
Use Scenario: Substation communications gateway collecting IEC 61850 GOOSE and SV messages over redundant fiber links and converting to DNP3 for SCADA systems. IC Role / Device Role / Timing Role: Time-critical packet processor with IEEE 1588 boundary clock and hardware-assisted GOOSE message validation. Use Value: Sub-microsecond timestamp accuracy and zero-copy DPAA buffers guarantee GOOSE message delivery within 4 ms for protection relay coordination. |
Use Scenario: Compact vCPE platform hosting virtualized firewall, DPI, and VoIP SBC functions on a single board with service chaining. IC Role / Device Role / Timing Role: NFV data plane accelerator using FMan for flow classification and BMan for zero-copy buffer pools across multiple VNFs. Use Value: SEC hardware crypto engines accelerate IPsec ESP and TLS 1.3 handshake offload, sustaining 1.2 Gbps encrypted throughput at <5% CPU load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar network processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LS1023ACE7KQB | Dual-core Cortex-A53, no SerDes XFI support, 1x RGMII only, lower max frequency (1.2 GHz), same DPAA and security features. | Suitable for cost-sensitive, lower-throughput industrial routers where 10G backhaul is unnecessary. | Select when BOM cost reduction is prioritized over 10G SerDes flexibility and multi-gigabit Ethernet density. |
| LS1046ASE9PQB | Quad-core Cortex-A72 (vs. A53), higher performance (1.8 GHz), added PCIe 3.0 support, larger L2 cache (2 MB), identical pinout and SerDes configuration. | Required for compute-intensive NFV workloads like deep packet inspection or AI inference at network edge. | Choose when migrating from LS1043A to higher IPC and PCIe 3.0 bandwidth without PCB redesign. |
Compared with LS1043ACE9PQB, LS1023ACE7KQB trades SerDes versatility and throughput for lower power and cost, while LS1046ASE9PQB delivers 40% higher integer performance and PCIe 3.0 readiness - both retain identical software compatibility and DPAA acceleration architecture.
Availability
LS1043ACE9PQB is available at Aetrix Electronics and suitable for industrial gateways, enterprise wireless access points, and smart energy routers requiring stable component supply across extended product lifecycles.
Supply support for LS1043ACE9PQB 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 leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with headquarters in Eindhoven, Netherlands.
The LS1043A belongs to NXP's QorIQ Layerscape family of communications processors, designed specifically for power-efficient, high-throughput networking at the intelligent edge - balancing performance, security, and thermal efficiency for headless embedded systems.
FAQ
What is the maximum DDR4 data rate supported by LS1043ACE9PQB?
The LS1043ACE9PQB supports DDR4/DDR3L memory up to 1.6 GT/s, corresponding to DDR4-1600 (PC4-12800) operation. This enables sustained memory bandwidth of 12.8 GB/s across its 32-bit bus, sufficient for concurrent packet buffering, crypto operations, and application execution in LS1043ACE9PQB-based gateways.
Does LS1043ACE9PQB support IEEE 1588 Precision Time Protocol in hardware?
Yes, LS1043ACE9PQB integrates IEEE 1588v2 hardware timestamping logic in both RGMII Ethernet controllers. It provides dedicated timestamp registers, programmable event pins, and hardware-assisted PTP message parsing - enabling sub-100 ns timestamp resolution required for industrial TSN and substation automation in LS1043ACE9PQB designs.
What SerDes protocols can be configured on the four lanes of LS1043ACE9PQB?
The four SerDes lanes of LS1043ACE9PQB support PCIe 2.0 (x4), SATA 3.0, SGMII (1000BASE-X or 2500BASE-X), QSGMII, XFI (10GBASE-R), and 1000Base-KX. Configuration is set via Reset Configuration Word (RCW) and validated in the LS1043ACE9PQB device tree during boot.
Is LS1043ACE9PQB pin-compatible with other QorIQ Layerscape processors?
LS1043ACE9PQB shares the same 621-ball FC-PBGA package and pinout with LS1023A and LS1046A variants, enabling mechanical and layout reuse. However, SerDes lane assignments and power domain requirements differ - LS1043ACE9PQB requires specific RCW and power sequencing per NXP AN5113 to ensure functional compatibility.
What security features are implemented in LS1043ACE9PQB for secure boot?
LS1043ACE9PQB implements a hardware-rooted secure boot chain: ROM code verifies signed boot images using SHA-256 and AES-256 keys stored in one-time-programmable eFuses; subsequent stages enforce TrustZone isolation and authenticated firmware updates. This prevents unauthorized code execution and meets IEC 62443-3-3 SL2 in LS1043ACE9PQB deployments.
LS1043ACE9PQB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 780-BFBGA
- Series:
- QorIQ® Layerscape
- Packaging:
- Tray
- Product Status:
- Active
- Core Processor:
- ARM® Cortex®-A53
- Number of Cores/Bus Width:
- 4 Core, 64-Bit
- Speed:
- 1.6GHz
- Co-Processors/DSP:
- -
- RAM Controllers:
- DDR3L, DDR4
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- -
- Ethernet:
- 1GbE (4), 2.5GbE (2), 10GbE (1)
- SATA:
- SATA 6Gbps (1)
- USB:
- USB 3.0 + PHY (3)
- Voltage - I/O:
- -
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- ARM TZ, Boot Security
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 780-FBGA (23x23)
- Additional Interfaces:
- eMMC/SD/SDIO, I2C, SPI, UART
LS1043ACE9PQB FAQ
1.How can I place an order for LS1043ACE9PQB through Aetrix?
Please submit a Request for Quotation (RFQ) for LS1043ACE9PQB 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 LS1043ACE9PQB reliable?
The price and inventory of LS1043ACE9PQB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LS1043ACE9PQB is usually 5 days.
3.What payment methods are accepted for LS1043ACE9PQB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LS1043ACE9PQB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LS1043ACE9PQB?
LS1043ACE9PQB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LS1043ACE9PQB 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 LS1043ACE9PQB?
For technical support, including LS1043ACE9PQB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LS1043ACE9PQB requirements.
6.How does Aetrix verify that LS1043ACE9PQB is sourced from the original manufacturer or authorized distributors?
All LS1043ACE9PQB 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 LS1043ACE9PQB meets industry standards.
7.What is the process for return or replacement of LS1043ACE9PQB?
All LS1043ACE9PQB units undergo pre-shipment inspection (PSI). If there is an issue with LS1043ACE9PQB, 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 LS1043ACE9PQB part is unused and in its original packaging.
Return procedure for LS1043ACE9PQB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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