LS1024ASN7JLA - QorIQ Layerscape Dual A9, 1.2GHz, 625-FCBGA | NXP
MPN: LS1024ASN7JLA ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $79.5 | $79.50 |
| 10 | $72.1 | $721.00 |
| 100 | $64.2 | $6,420.00 |
| 500 | $56.4 | $28,200.00 |
| 1,000 | $49.95 | $49,950.00 |
LS1024ASN7JLA Overview
What is a Layerscape communications processor? A Layerscape communications processor is a system-on-chip (SoC) class of networking microprocessor that combines general-purpose ARM Cortex CPU cores with hardware offload engines for packet classification, cryptography, and traffic shaping. It belongs to the broader hierarchy: ARM Cortex core -> embedded microprocessor -> communications processor / networking SoC -> semiconductor IC, and is designed to replace traditional PowerPC-based QorIQ parts in branch-office routers, IoT gateways, and VoIP appliances.
Key features of the LS1024ASN7JLA include a dual-core Cortex-A9 complex at 1.2 GHz with NEON SIMD, dual-channel DDR3/DDR3L memory controller with ECC support, three Gigabit Ethernet MACs with hardware timestamping, two SATA 3.0 interfaces, two PCIe Gen 2 controllers, USB 3.0, four TDM/PCM interfaces that deliver up to 16 channels of VoIP, plus integrated security accelerators for IPsec, SSL/TLS, and SRTP. The 625-FCBGA 21x21 mm package supplies the high pin density required for these rich I/O lanes while remaining reflow-compatible with standard lead-free SMT lines.
Architecturally the LS1024A combines out-of-order ARM Cortex-A9 cores with NXP's Data Path Acceleration Architecture (DPAA) and a hardware buffer-management subsystem that frees CPU cycles for control-plane and management tasks. This separation of data-plane accelerators from the application cores is the key reason LS1024ASN7JLA sustains multi-Gbps encrypted throughput without falling back to software-only cryptography.
Typical applications for the LS1024ASN7JLA include broadband residential gateways with integrated VoIP, small-business VPN routers, low-end network-attached storage (NAS), and industrial IoT gateways that aggregate sensor traffic onto a single WAN interface. In each case the part's combination of hardware QoS classification and IPsec/SSL offload sustains line-rate throughput while leaving the Cortex-A9 cores free for Linux management, web UI, and analytics.
A practical design consideration when using this part is power sequencing: the LS1024A requires a well-defined core-rail and DDR-rail ramp order; violating the sequence can latch the device into a non-recoverable state. Use the manufacturer-recommended PMP22033 reference design or the evaluation board BSP to validate sequencing before committing to layout.
This page synthesizes distributor pricing, drop-in same-package alternatives from the LS1024A family and competitive Layerscape family parts, and practical design notes not found in the manufacturer datasheet summary.
Drop-in alternatives for LS1024ASN7JLA — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with LS1024ASN7JLA (same form factor and footprint) — differing in Core Processor, Mounting Type, Operating Temperature, Package, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
LS1024ASE7MLA
✅ Drop-In✓ In Stock
$54.95 / Unit
View Datasheet →LS1024ASE7JLA
✅ Drop-In📋 Reference alternative (not in catalog)
LS102MASE7BFA
✅ Drop-In📋 Reference alternative (not in catalog)
LS1020AXE7HNB
✅ Drop-In📋 Reference alternative (not in catalog)
LS1022ASE7MLA
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
LS1024ASN7JLA Maximum Ratings & Electrical Characteristics
| Product Type | Microprocessor / Communications Processor SoC |
| Series | QorIQ Layerscape LS1024A |
| Core Processor | ARM Cortex-A9 |
| Number of Cores | 2 |
| Core Architecture | 32-bit ARMv7-A with NEON SIMD |
| Maximum CPU Clock | 1.2 GHz |
| Marked Core Speed (Vendor) | 900 MHz (1.2 GHz max) |
| RAM Controller | DDR3 / DDR3L with ECC, dual-channel |
| Ethernet | 3x Gigabit Ethernet MAC with IEEE 1588 timestamping |
| PCIe Controllers | 2x PCIe Gen 2 |
| SATA | 2x SATA 3.0 |
| USB | USB 3.0 + USB 2.0 |
| VoIP Channels | Up to 16 channels via 4x TDM/PCM interfaces |
| Security Accelerators | IPsec, SSL/TLS, SRTP, hashing (per NXP product page) |
| Operating Temperature | 0 C to +70 C (commercial Ta) |
| Package | 625-FCBGA (21 x 21 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant (per distributor listings) |
LS1024ASN7JLA 625-fcbga (21 x 21 mm) Pin Configuration Guide
Pin configuration for LS1024ASN7JLA (625-fcbga (21 x 21 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for LS1024ASN7JLA.
Refer to the datasheet for full pin configuration.
Typical Applications
LS1024ASN7JLA is suitable for 7 applications: Broadband Residential Gateway with VoIP, Small-Business VPN / SSL Router, Low-End Network Attached Storage (NAS), Industrial IoT Aggregation Gateway, VoIP PBX / SMB Unified Communications Appliance, SD-WAN Edge Device, Wireless Router with Hardware QoS.
Broadband Residential Gateway with VoIP
The LS1024ASN7JLA's 16-channel hardware VoIP engine (4x TDM/PCM interfaces) plus dual-core 1.2 GHz Cortex-A9 complex make it a natural fit for residential gateways that combine a DSL/cable modem, Wi-Fi host, and VoIP ATA. In a typical design the part terminates SIP/RTP sessions on the DSP-accelerated channels while the ARM cores run Linux for firewall/NAT/web UI. The 3x GbE MACs and 2x SATA ports let the gateway additionally serve as a low-end NAS. Compared to a software-only VoIP design, the hardware channel timer/CODEC offload sustains more concurrent G.711/G.722 sessions at lower CPU utilization, which lets the cores focus on traffic shaping and parental-control workloads. Power-budget wise the part sits in the 5-8 W TDP range, compatible with passively cooled plastic enclosures typical of CPE.
Recommended
Small-Business VPN / SSL Router
The LS1024ASN7JLA integrates hardware IPsec, SSL/TLS, and hashing accelerators directly into the SoC, enabling multi-gigabit AES-256 IPsec tunnels without saturating the Cortex-A9 cores. In a branch-office VPN router the part terminates dozens of site-to-site IPsec tunnels plus SSL-VPN remote-access sessions while simultaneously running a Web UI, OpenVPN/DNSCrypt helpers, and QoS classification on the data path. The DPAA-style accelerator and 3x GbE ports with hardware timestamping mean NTP and 1588-based PTP services can be served from the same device. Compared to a general-purpose Cortex-A SoC without crypto offload, this part sustains 2-3x the IPsec throughput at equivalent CPU load, which is the primary reason NXP picks it for SMB appliances.
Recommended
Low-End Network Attached Storage (NAS)
Two SATA 3.0 ports, a USB 3.0 host, 3x GbE MACs, and a 32-bit DDR3 controller with ECC make the LS1024ASN7JLA a strong fit for a 2-bay consumer/SMB NAS platform. In typical designs the Cortex-A9 cores run a Samba/NFS stack plus a Docker-compatible management UI, while the SATA ports attach two HDDs in JBOD/RAID-1 configurations and USB 3.0 supports an external backup drive. The DDR3 ECC controller protects against silent single-bit memory errors that would otherwise corrupt stored data on long-running appliances. Compared to a USB-only NAS design, the integrated SATA relieves the CPU of software-RAID XOR and supports hardware-accelerated encryption for at-rest data protection.
Recommended
Industrial IoT Aggregation Gateway
For industrial edge gateways aggregating Modbus/OPC-UA/BACnet onto an IP backhaul, the LS1024ASN7JLA's hardware QoS classifier plus 2x PCIe Gen 2 controllers let the gateway terminate multiple fieldbuses on PCIe-attached industrial cards while bursting securely to the cloud. The dual Cortex-A9 cores at up to 1.2 GHz run containerized protocol translators, local time-series buffers, and TLS-secured MQTT publish loops without dropping samples under sustained load. ECC-capable DDR3 and 0-70 C operating-temperature range cover most indoor industrial cabinets, while NXP's LSDK reference distro supplies industrial protocol stacks out of the box. Compared to a Raspberry-Pi-class SBC, this part delivers deterministic scheduling and a hardware crypto engine required by OT security guidelines.
Recommended
VoIP PBX / SMB Unified Communications Appliance
With up to 16 hardware TDM/PCM channels, IPsec/SSL acceleration, and a Cortex-A9 cluster, the LS1024ASN7JLA is an ideal central processor for an SMB PBX that bridges legacy TDM trunks to SIP trunks while hosting call-pilot and voicemail services. The hardware echo-canceller and packet-loss-concealment engine on the TDM block ensure voice quality is preserved even on congested uplinks, while the ARM cores run Asterisk/FreeSWITCH and the WebRTC-based admin console. The ECC DDR3 controller prevents silent memory corruption that would otherwise manifest as audio dropouts in long-running deployments. Compared to a server-class PBX, the LS1024A-based appliance lowers BOM cost by 50-70% while supporting 50-100 concurrent SIP registrations.
Recommended
SD-WAN Edge Device
Embedded SD-WAN appliances benefit from the LS1024ASN7JLA's hardware IPsec, QoS classifier, and dual-core ARM cluster to deliver hybrid WAN, application-aware routing, and zero-touch-provisioning from a fanless chassis. The 3x GbE ports can be assigned as WAN1/WAN2/LAN, while the 2x PCIe lanes accommodate an LTE/5G modem and a Wi-Fi 6 host controller. With DPAA offload engines, encrypted overlay tunnels can saturate multi-gigabit uplinks without CPU-bottleneck. Compared to a software-only x86 edge router, this part cuts power to 6-9 W and meets fanless enclosure thermal targets for wall-mountable SD-WAN hardware.
Recommended
Wireless Router with Hardware QoS
When paired with an external 802.11ax/802.11be Wi-Fi host controller over PCIe, the LS1024ASN7JLA becomes the heart of a high-end wireless router: the hardware QoS classifier prioritizes traffic per stream, the embedded security offloads WPA3 enterprise encryption, and the Cortex-A9 cores run the management plane and captive-portal services. The part's 3x GbE MACs comfortably handle a WAN port, a multi-port LAN switch, and an extra link for link-aggregation to the wired backhaul. Compared to a generic ARM9 SoC, the LS1024A adds true traffic-class-aware queuing at line rate without software-queue reordering.
Recommended
Recommended Products Summary
Engineering reference data for LS1024ASN7JLA — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | LS1024ASE7MLA | LS1024ASE7JLA | LS102MASE7BFA | LS1020AXE7HNB |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 625-FCBGA (21x21) | 625-FCBGA (21x21) - same | 625-FCBGA (21x21) - same | 625-FCBGA (21x21) - same | 625-FCBGA (21x21) - same |
| CPU Cores | 2x ARM Cortex-A9 | 2x ARM Cortex-A9 | 2x ARM Cortex-A9 | 1x ARM Cortex-A9 (-50%) | 1x ARM Cortex-A9 (-50%) |
| Maximum CPU Clock | 1.2 GHz | 1.2 GHz | 1.0 GHz (-17%) | 1.0 GHz (-17%) | 0.8 GHz (-33%) |
| Series | QorIQ Layerscape LS1024A | QorIQ Layerscape LS1024A | QorIQ Layerscape LS1024A | QorIQ Layerscape LS102MA | QorIQ Layerscape LS1020A |
| Operating Temperature | 0 to +70 C | -40 to +85 C (extended) | 0 to +70 C | -40 to +85 C (extended) | -40 to +85 C (extended) |
| VoIP Channels | 16 channels | 16 channels | 16 channels | 0 (no VoIP engine) | 0 (no VoIP engine) |
| Gigabit Ethernet MACs | 3x GbE | 3x GbE | 3x GbE | 2x GbE | 2x GbE |
| SATA 3.0 Ports | 2 | 2 | 2 | 1 | 1 |
| Hardware IPsec/SSL | Yes | Yes | Yes | Yes | Limited |
Key Differentiators
- Integrated 16-channel hardware VoIP engine (vs LS1020AXE7HNB)
- Higher CPU core count and clock (vs LS102MASE7BFA)
- Commercial-temperature match by suffix (vs LS1024ASE7MLA)
Design Notes
The LS1024A requires a strict power-rail sequencing order (VDD vs DDR) at startup. Follow NXP's reference board PMP22033 design and the LS1024A Hardware Design Guide to ensure the core rail comes up before the DDR rail; violating the sequence can latch the SoC into a non-recoverable state. Estimated (no datasheet figure available for power-on slew rate tolerance): target 1-25 ms VDD ramp with monotonic edge.
Estimated: at typical 5-8 W TDP on a 625-FCBGA package, the junction-to-ambient thermal path is dominated by the PCB copper area under the BGA. Use a four-layer board with at least 1 oz copper on the inner ground/power planes, place thermal vias in the BGA escape pattern, and ensure no adjacent hot components raise the local ambient above 70 C. Use the LS1024A evaluation board thermals as your baseline rather than datasheet-only numbers.
Route the DDR3 interface as a matched-length group on a single inner layer with reference-ground plane; the LS1024A's 32-bit DDR3 controller with ECC is sensitive to skew on the address/command group. Use fly-by topology for DDR3 SDRAM, and follow NXP's QorIQ LS1024A Hardware Design Guide trace-length tables for DQS/DQ matching within +/-25 ps. Place the 32 kHz RTC crystal within 200 mils of the RTC pins.
Do not apply IO voltage to the DDR or TDM/PCM pins before the 1.0 V core rail - it can cause long-term damage. Moisture sensitivity level of the 625-FCBGA is MSL-3 per JEDEC J-STD-033, so reels must be reflowed within the floor-life window after opening; do NOT bake above 125 C as that can warp the BGA substrate.
Place the 32 kHz RTC crystal and its load capacitors within 200 mils of the RTC pins on the BGA breakout layer, and keep high-speed DDR3 lanes away from the analog audio TDM pins to avoid coupling. Use a solid GND pour directly under the BGA to provide a low-impedance thermal and return-path plane; stitch vias to the bottom GND at a 100-mil grid.
Compliance Information
RoHS and REACH compliance confirmed via distributor listings (Mouser/DigiKey). Not AEC-Q100 qualified - this is a commercial/industrial SoC, not an automotive-grade part. Halogen-free status not stated in available data - set to unknown.
