NXP Semiconductors MSC8154SAG1000B

Overview

MSC8154SAG1000B from NXP Semiconductors (formerly Freescale) is a quad-core StarCore SC3850 digital signal processor designed for baseband and packet-processing in wireless infrastructure. It integrates four 1 GHz DSP cores, 512 KB L2 cache per core, dual DDR2/DDR3 controllers (up to 800 MT/s), MAPLE-B baseband accelerator, and QUICC Engine subsystem for offloaded Gigabit Ethernet. Used in 4G LTE eNodeB baseband units.

For engineers reviewing the MSC8154SAG1000B datasheet, MSC8154SAG1000B pinout, MSC8154SAG1000B application, or MSC8154SAG1000B equivalent, key selection criteria include its 783-ball FC-PBGA package, 45 nm SOI process, 1056 KB on-chip M3 memory, Serial RapidIO 3.125 Gbaud support, and TDM interface compatibility with E1/T1 framers.

Technical Context

The MSC8154SAG1000B implements a chip-level arbitration and switching system (CLASS) enabling non-blocking interconnect between four SC3850 cores, DDR controllers, MAPLE-B, and QUICC Engine. Its memory hierarchy includes unified L2 cache configurable as M2 memory and dedicated 1056 KB 128-bit-wide M3 SRAM.

It features five PLLs - three global and two Serial RapidIO-specific - supporting independent clock domains for DDR, SerDes, and core logic. The MAPLE-B engine provides hardware-accelerated Turbo/Viterbi decoding and FFT/iFFT, while the QUICC Engine handles RGMII/SGMII Ethernet traffic independently of DSP cores.

Key Specifications

Pinout & Package

Package: FC-PBGA–783, 29 mm × 29 mm, 45 nm SOI CMOS process. Thermal pad on underside; requires controlled solder reflow profile per Freescale AN3989.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad-core DSP applications.

Compared with TMS320C6678AZHHA and LS1046A, the MSC8154SAG1000B offers superior deterministic latency for baseband PHY layers due to its StarCore ISA, tightly coupled MAPLE-B, and CLASS fabric - making it uniquely suitable for LTE/LTE-A Layer 1 implementations requiring sub-100 µs interrupt response.

Availability

MSC8154SAG1000B is available at Aetrix Electronics and suitable for 4G LTE infrastructure, wireless small cells, and DOCSIS 3.1 CMTS requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for MSC8154SAG1000B 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 focused on secure connectivity solutions for automotive, industrial, and communications markets.

The MSC8154 belongs to NXP's StarCore DSP product line, engineered specifically for high-throughput, low-latency wireless baseband processing in 3G/4G infrastructure equipment.

FAQ

What is the maximum DDR data rate supported by the MSC8154SAG1000B?

The MSC8154SAG1000B supports DDR2 and DDR3 interfaces operating at up to 400 MHz clock frequency, delivering an effective data rate of 800 MT/s per 64-bit channel. This enables sustained memory bandwidth exceeding 6.4 GB/s across both controllers, sufficient for real-time LTE frame buffering and MAPLE-B accelerator data streaming.

Does the MSC8154SAG1000B include hardware acceleration for LTE physical layer functions?

Yes, the MSC8154SAG1000B integrates the MAPLE-B (Multi-Accelerator Platform Engine for Baseband) subsystem, which provides dedicated hardware acceleration for Turbo decoding, Viterbi decoding, and FFT/iFFT operations - all essential for LTE Layer 1 processing. This offloads computationally intensive tasks from the four SC3850 DSP cores.

What serial interface standards does the MSC8154SAG1000B support for chip-to-chip communication?

The MSC8154SAG1000B supports two Serial RapidIO 1.x/2.x interfaces (1x/4x, up to 3.125 Gbaud), one PCI Express 2.0 controller (x1/x2/x4 link), and two SGMII interfaces multiplexed with RapidIO SerDes lanes - enabling flexible fronthaul, backhaul, and FPGA co-processing connectivity.

How many TDM interfaces does the MSC8154SAG1000B provide, and what is their maximum data rate?

The MSC8154SAG1000B includes four independent TDM modules, each supporting programmable word sizes (2, 4, 8, or 16 bits) and hardware A-law/μ-law conversion. Each TDM link operates at up to 62.5 Mbps, enabling direct glueless interfacing with E1/T1 framers and H-MVIP/H.110-compliant devices.

What power management features are implemented in the MSC8154SAG1000B?

The MSC8154SAG1000B implements low-power Wait, Stop, and power-down processing modes per SC3850 core, plus dynamic power gating for MAPLE-B and QUICC Engine subsystems. Combined with 45 nm SOI CMOS technology, these features reduce active power consumption by up to 40% compared to previous-generation DSPs under typical LTE traffic loads.