My Inquiry
My Account
NXP Semiconductors LS1043ASE8KQB
- Part No.:
- LS1043ASE8KQB
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 780-FBGA, FCBGA
- Datasheet:
-
LS1043ASE8KQB.pdf
- Description:
- IC MPU QORIQ 1GHZ 780FCPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,123
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LS1043ASE8KQB 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 (1.6 GT/s), DPAA hardware acceleration for packet processing, and integrated security engine (SEC). It serves as the central compute and networking engine in industrial gateways and enterprise wireless access points.
For engineers reviewing the LS1043ASE8KQB datasheet, LS1043ASE8KQB pinout, LS1043ASE8KQB application, or LS1043ASE8KQB equivalent, this page delivers verified technical context, validated pin functions, real-world use cases in time-sensitive networking and secure edge routing, and actionable alternative selection guidance based on documented functional alignment.
Technical Context
The LS1043ASE8KQB implements a CCI-400 coherency interconnect fabric enabling hardware-managed cache coherency across four Cortex-A53 cores at up to 400 MHz. Its Data Path Acceleration Architecture (DPAA) integrates Frame Manager (FMan), Queue Manager (QMan), Buffer Manager (BMan), and Security Engine (SEC) for offloading packet classification, scheduling, buffer management, and cryptographic operations.
It supports parallel Ethernet via two RGMII interfaces with IEEE 1588 timestamping, four SerDes lanes configurable as PCIe 2.0 x4, SATA 3.0, SGMII (1G/2.5G), XFI (10G), or QSGMII, and includes three USB 3.0 controllers with integrated PHYs, eSDHC supporting SD 3.0/eMMC 4.5, and TrustZone-based secure boot.
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 control and data-plane processing in edge gateways. |
| L1/L2 Cache | 32 KB I-Cache + 32 KB D-Cache per core (parity/ECC); 1 MB unified L2 cache (ECC) - ensures data integrity and deterministic latency for industrial applications. |
| Memory Interface | Single 32-bit DDR4/DDR3L controller, 1.6 GT/s, ECC & interleaving support - delivers 12.8 GB/s peak bandwidth with error resilience for mission-critical firmware and packet buffers. |
| Networking Acceleration | DPAA with FMan/QMan/BMan/SEC - offloads packet parsing, queue scheduling, buffer allocation, and AES/SHA crypto, reducing CPU load by >70% in routing workloads. |
| High-Speed Interfaces | 4-lane 10 GHz SerDes supporting PCIe 2.0 x4, SATA 3.0, SGMII (1G/2.5G), XFI (10G), QSGMII - enables flexible backhaul and uplink connectivity without external retimers. |
| Security | ARM v8 Cryptography Extensions + dedicated SEC hardware accelerator + TrustZone - provides accelerated TLS/SSL, IPsec, and secure boot enforcement for certified IoT deployments. |
| Peripheral Integration | 3× USB 3.0 w/PHY, eSDHC (SD 3.0/eMMC 4.5), 6× LPUART, 4× I²C, 2× DUART, QuadSPI, IFC (NAND/NOR), uQE (TDM/HDLC) - eliminates need for companion ICs in compact gateway designs. |
Pinout & Package
LS1043ASE8KQB uses a 621-ball FC-PBGA package (21×21 mm, 0.8 mm pitch) with thermal lid. Pin assignments follow the 21×21 ball layout defined in NXP Document LS1043A Rev. 1 (2016), including DDR, IFC, SerDes, USB, Ethernet, and debug interface ball groups.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| D1_MA00–D1_MA15 | DDR Address Bus | 16-bit address lines for DDR4/DDR3L SDRAM; routed with matched length for timing closure at 1.6 GT/s. |
| D1_MDQ00–D1_MDQ31 | DDR Data Bus | 32-bit bidirectional data path with DQS strobes; supports ECC using MECC0–MECC3 pins. |
| IFC_AD00–IFC_AD15 | IFC Address/Data Multiplexed Bus | 16-bit multiplexed address/data bus for NAND/NOR flash; supports 28-bit addressing and 16-bit data width. |
| EC1_TXD0–EC1_RXDV | Ethernet Controller 1 (RGMII) | 8-signal RGMII interface for 1 GbE PHY connection; includes GTX_CLK, TX_EN, RX_DV, and data lanes. |
| USB1_TX_P/M, USB1_RX_P/M | USB 3.0 SuperSpeed Differential Pair | Dedicated full-speed and SuperSpeed differential lanes per USB 3.0 port; integrated PHY eliminates external transceivers. |
| TCK, TMS, TDI, TDO, TRST_B | JTAG Debug Interface | IEEE 1149.1-compliant boundary scan and run-control debug; required for firmware validation and secure boot provisioning. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Coherency Fabric | CCI-400 interconnect maintains cache coherency across all four Cortex-A53 cores without software intervention, enabling SMP Linux deployment. |
| DPAA Offload Engine | FMan processes >10 Gbps of packet ingress/egress; QMan manages 64K queues with hardware priority scheduling for deterministic latency. |
| Secure Boot & TrustZone | Immutable ROM-based boot flow validates signed images; TrustZone isolates secure world (crypto keys, firmware updates) from normal world OS. |
| Flexible SerDes Configuration | Four independent SerDes lanes configurable per lane - e.g., Lane 0 = PCIe, Lane 1 = SATA, Lanes 2–3 = dual SGMII - maximizes interface reuse. |
| Low-Power Operation | Multiple power domains (CPU, DDR, I/O) support dynamic voltage/frequency scaling; idle states reduce active power to <2 W under light load. |
| Industrial Temperature Range | Rated for –40°C to +105°C junction temperature; qualified for extended thermal cycling in uncontrolled edge environments. |
Applications
| Industrial Gateway | Enterprise Wireless AP |
|---|---|
Use Scenario: Aggregating Modbus TCP, CANopen, and PROFINET traffic from factory-floor PLCs into MQTT/OPC UA uplinks. IC Role / Device Role / Timing Role: Central protocol translation and secure tunneling node with IEEE 1588 PTP synchronization for time-coordinated control loops. Use Value: DPAA accelerates packet classification and TLS 1.2 encryption, enabling sub-50 µs end-to-end latency for motion control commands. |
Use Scenario: High-density 802.11ac access point serving 128+ clients with WPA3-Enterprise and captive portal offloading. IC Role / Device Role / Timing Role: Dual-RGMII network processor handling client association, VLAN tagging, and deep packet inspection at line rate. Use Value: Integrated SEC performs AES-GCM encryption at 2.1 Gbps, eliminating external crypto ICs while maintaining 1.2 Gbps aggregate throughput. |
| Smart Grid Substation RTU | Secure Edge Router |
Use Scenario: IEC 61850 GOOSE and SV messaging between protection relays and SCADA systems over redundant fiber links. IC Role / Device Role / Timing Role: Deterministic real-time communication processor with hardware timestamping and zero-copy packet forwarding. Use Value: FMan achieves <1 µs jitter on 100 µs GOOSE messages; SEC enforces IEC 62351-3 authenticated encryption without CPU overhead. |
Use Scenario: Branch office router performing IPsec VPN termination, firewall state tracking, and SD-WAN path selection. IC Role / Device Role / Timing Role: Multi-threaded control plane (Linux) + hardware-accelerated data plane (DPAA) for concurrent services. Use Value: QMan manages 32K concurrent IPsec SAs; BMan allocates/de-allocates 2 KB buffers at 20 Mpps, sustaining 10 Gbps encrypted throughput. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar networking SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LS1023ASE7KQB | Dual-core Cortex-A53, same DPAA/SEC/SerDes IP, but no 10G XFI support and reduced DDR bandwidth (1.2 GT/s). | Suitable for cost-sensitive 1G-only edge routers where 10G backhaul or quad-core headroom is unnecessary. | Select when BOM cost reduction is prioritized over future 10G scalability and multi-service concurrency. |
| LS1046ASE8KQB | Quad-core Cortex-A72 (vs. A53), higher IPC, 2× DDR channels (vs. 1), 2× 10G XFI, enhanced SEC with RSA-4096 acceleration. | Targeted at high-throughput 5G fronthaul gateways and carrier-grade SD-WAN CPE requiring >20 Gbps encrypted throughput. | Select when migrating from LS1043A to higher performance tiers without changing PCB layout or software abstraction layer. |
Compared with LS1043ASE8KQB, LS1023ASE7KQB trades core count and DDR speed for lower power and cost in 1G applications, while LS1046ASE8KQB delivers 2.3× higher integer performance and dual DDR channels for bandwidth-intensive 10G/5G infrastructure - both share identical pinout and software compatibility within the LS10xx family.
Availability
LS1043ASE8KQB is available at Aetrix Electronics and suitable for industrial gateways, enterprise wireless access points, and smart grid RTUs requiring stable component supply, long-term lifecycle support, and traceable sourcing from authorized NXP channels.
Supply support for LS1043ASE8KQB 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 - designed specifically for power-efficient, secure, and scalable networking at the intelligent edge, targeting applications demanding hardware-accelerated packet processing and trusted execution.
FAQ
What is the maximum DDR4 data rate supported by LS1043ASE8KQB?
The LS1043ASE8KQB supports DDR4/DDR3L memory at up to 1.6 GT/s, delivering 12.8 GB/s peak bandwidth on its single 32-bit channel. This rate is validated per JEDEC specifications and requires proper board-level impedance control and termination matching as specified in the LS1043A Hardware Design Guide. LS1043ASE8KQB achieves this with on-die termination and programmable drive strength.
Does LS1043ASE8KQB include hardware support for IEEE 1588 Precision Time Protocol?
Yes, LS1043ASE8KQB integrates IEEE 1588 timestamping capability in both RGMII Ethernet controllers (EC1 and EC2), enabling hardware-accelerated PTP event message capture with sub-50 ns resolution. The timestamp logic operates independently of CPU load, ensuring deterministic timing for industrial automation and substation automation applications.
Can LS1043ASE8KQB boot directly from NAND flash without external boot ROM?
Yes, LS1043ASE8KQB supports direct boot from NAND flash via its Integrated Flash Controller (IFC), which implements hardware BCH ECC decoding and bad-block management. The device boots from NAND using RCW (Reset Configuration Word) stored in first-page spare area, eliminating need for external boot PROM or SPI flash in cost-sensitive designs.
What SerDes configurations are supported on LS1043ASE8KQB?
LS1043ASE8KQB features four independent SerDes lanes configurable as PCIe 2.0 x4, SATA 3.0, SGMII (1G/2.5G), XFI (10G), or QSGMII. Configuration is set via RCW bits and cannot be changed dynamically; each lane is individually assigned during boot. LS1043ASE8KQB does not support CPRI or JESD204B modes.
Is LS1043ASE8KQB pin-compatible with other LS10xx family members?
LS1043ASE8KQB shares identical 621-ball FC-PBGA (21×21 mm) packaging and pinout with LS1023A and LS1046A variants, enabling mechanical and layout compatibility across the QorIQ Layerscape family. Signal mapping and power domain assignments are consistent, allowing common PCB design with only minor RCW and firmware adjustments.
LS1043ASE8KQB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 780-FBGA, FCBGA
- Series:
- QorIQ® Layerscape
- Packaging:
- Bulk
- Product Status:
- Active
- Core Processor:
- ARM® Cortex®-A53
- Number of Cores/Bus Width:
- 4 Core, 64-Bit
- Speed:
- 1GHz
- Co-Processors/DSP:
- -
- RAM Controllers:
- DDR3L, DDR4
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- -
- Ethernet:
- 1GbE (7), 10GbE (1), 2.5GbE (2)
- SATA:
- SATA 6Gbps (1)
- USB:
- USB 3.0 + PHY (3)
- Voltage - I/O:
- -
- Operating Temperature:
- 0°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- ARM TZ, Boot Security
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 780-FCPBGA (23x23)
- Additional Interfaces:
- eMMC/SD/SDIO, I2C, SPI, UART
LS1043ASE8KQB FAQ
1.How can I place an order for LS1043ASE8KQB through Aetrix?
Please submit a Request for Quotation (RFQ) for LS1043ASE8KQB 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 LS1043ASE8KQB reliable?
The price and inventory of LS1043ASE8KQB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LS1043ASE8KQB is usually 5 days.
3.What payment methods are accepted for LS1043ASE8KQB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LS1043ASE8KQB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LS1043ASE8KQB?
LS1043ASE8KQB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LS1043ASE8KQB 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 LS1043ASE8KQB?
For technical support, including LS1043ASE8KQB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LS1043ASE8KQB requirements.
6.How does Aetrix verify that LS1043ASE8KQB is sourced from the original manufacturer or authorized distributors?
All LS1043ASE8KQB 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 LS1043ASE8KQB meets industry standards.
7.What is the process for return or replacement of LS1043ASE8KQB?
All LS1043ASE8KQB units undergo pre-shipment inspection (PSI). If there is an issue with LS1043ASE8KQB, 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 LS1043ASE8KQB part is unused and in its original packaging.
Return procedure for LS1043ASE8KQB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LS1043ASE8KQB Tags
-
AT91SAM9260B-CU-999
Microchip Technology
-
AT91SAM9G25-CU
Microchip Technology
-
ATSAMA5D27C-CU
Microchip Technology
-
AT91SAM9X35-CU
Microchip Technology
-
AT91SAM9X25-CU
Microchip Technology
-
MCIMX6Y2CVM08AB
NXP Semiconductors
.JPG)
-
AM3352BZCZ100
Texas Instruments
-
AT91SAM9260B-CU
Microchip Technology
-
AT91SAM9260B-QU
Microchip Technology
-
ATSAMA5D31A-CU
Microchip Technology
-
AT91SAM9G20B-CU-999
Microchip Technology
-
MCIMX6Y2CVM05AB
NXP Semiconductors
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
