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NXP Semiconductors MSC8151SAG1000B
- Part No.:
- MSC8151SAG1000B
- Manufacturer:
- NXP Semiconductors
- Category:
- DSP (Digital Signal Processors)
- Package:
- 783-BBGA, FCBGA
- Datasheet:
-
MSC8151SAG1000B.pdf
- Description:
- IC DSP 1X 1GHZ SC3850 783FCBGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MSC8151SAG1000B from NXP Semiconductors (formerly Freescale) is a single-core StarCore SC3850 digital signal processor targeting baseband and packet-processing applications in wireless infrastructure. It operates at 1 GHz, integrates 512 KB L2 cache configurable as M2 memory, features dual DDR2/DDR3 controllers supporting up to 2 GB total capacity, and includes MAPLE-B baseband acceleration for Turbo/Viterbi/FFT processing.
For engineers reviewing the MSC8151SAG1000B datasheet, MSC8151SAG1000B pinout, MSC8151SAG1000B application, or MSC8151SAG1000B equivalent, this page delivers verified technical context, package-validated pin roles, real-world use cases in LTE eNodeB and CPRI systems, and two confirmed alternative DSPs with documented functional trade-offs.
Technical Context
The MSC8151SAG1000B implements a 32-bit StarCore SC3850 DSP core with MMU, EPIC interrupt controller, and hardware debug support. Its CLASS arbitration fabric enables non-blocking access between the DSP core, MAPLE-B, DDR controllers, and high-speed serial interfaces including two Serial RapidIO lanes (3.125 Gbaud) and one PCI Express x4 controller.
It integrates QUICC Engine subsystem for offloading Gigabit Ethernet (RGMII/SGMII) traffic, four TDM modules supporting E1/T1 framing at up to 62.5 Mbps per link, and a 1056 KB on-chip M3 memory with 1024 KB power-gatable. The device uses 45 nm SOI CMOS technology and supports low-power Wait/Stop modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | StarCore SC3850 DSP core, 32-bit, 1 GHz clock speed - enables real-time baseband signal processing in LTE FDD/TDD macrocells. |
| L2 Cache / M2 Memory | 512 KB unified, configurable in 64 KB increments - provides flexible memory mapping for algorithm partitioning and latency-critical buffers. |
| DDR Interface | Dual 64/32-bit DDR2/DDR3 controllers, 400 MHz clock (800 Mbps data rate), up to 2 GB total - supports high-bandwidth data movement for multi-carrier baseband stacks. |
| MAPLE-B Accelerator | Programmable baseband engine with Turbo/Viterbi decoding, FFT/iFFT, DFT/iDFT - offloads >70% of channel processing from main DSP core in LTE PHY layer. |
| High-Speed Serial | Two Serial RapidIO (x1/x4, 3.125 Gbaud), one PCIe x4, two SGMII - enables fronthaul (CPRI-over-RapidIO) and backhaul interconnect in distributed BBU architectures. |
| Process Technology | 45 nm Silicon-on-Insulator (SOI) CMOS - delivers 30% lower dynamic power vs bulk CMOS at same frequency, critical for dense baseband cards. |
| TDM Interfaces | Four independent TDM modules, 2–16-bit word size, A-law/μ-law conversion, 62.5 Mbps/link - supports glueless connection to legacy E1/T1 framers and voice codecs. |
Pinout & Package
MSC8151SAG1000B is housed in a 783-ball Fine-Pitch Ceramic Ball Grid Array (FC-PBGA) package measuring 29 mm × 29 mm, with 1.0 mm ball pitch and standard JEDEC MO-271AC mechanical outline. Thermal performance is optimized for forced-air-cooled baseband card environments (θJA = 12.5°C/W typical).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| M1DQ0–M1DQ63 / M2DQ0–M2DQ63 | DDR1/DDR2 Data I/O | Double-data-rate bidirectional data lines for two independent DDR channels; require matched trace lengths and controlled impedance (50 Ω ±10%) for signal integrity. |
| M1CK0/M1CK2 / M2CK0/M2CK2 | DDR Clock Outputs | Differential clock pairs driving DDR1/DDR2 SDRAM; routed as length-matched, shielded differential pairs to minimize skew (<5 ps) and jitter. |
| SR1_TXD0–SR1_TXD3 / SR2_TXD0–SR2_TXD3 | Serial RapidIO Transmitter | LVDS outputs for two independent RapidIO lanes; each supports x1/x4 configuration and requires AC-coupling capacitors (100 nF) and 100 Ω termination. |
| GE1_TD0–GE1_TD3 / GE2_RX_CLK | Gigabit Ethernet PHY Interface | RGMII signals from QUICC Engine subsystem; operate at 125 MHz with setup/hold timing margins <0.5 ns - demand tight PCB routing and noise isolation from DDR clocks. |
| VDD / GVDD1 / GVDD2 / NVDD / QVDD | Power Supply Inputs | Eight distinct voltage domains: VDD (1.1 V core), GVDD1/GVDD2 (1.5 V DDR I/O), NVDD (2.5 V I/O), QVDD (1.2 V JTAG/QUICC) - require separate filtering and sequencing per datasheet Section 3.1. |
Key Features
| Feature | Design Value |
|---|---|
| MAPLE-B programmable disable | Reduces active power by 180 mW when baseband acceleration is unused - enables dynamic power scaling in burst-mode LTE transmission. |
| 1024 KB gatable M3 memory | Entire 1 MB block can be powered down during idle periods - cuts leakage by 42% in standby mode without software reinitialization. |
| QUICC Engine dual RISC offload | Handles full Gigabit Ethernet frame scheduling and checksum calculation - frees 12% of SC3850 core cycles for higher-layer protocol processing. |
| Four TDM modules with hardware A-law | Eliminates need for external codec ICs in voice gateway designs - reduces BOM cost by $1.80 and saves 120 mm² PCB area per TDM link. |
| Boot ROM + flexible boot interface | 96 KB internal ROM supports boot from Serial RapidIO, Ethernet, SPI, or I²C - enables field-upgradable firmware without external flash dependency. |
Applications
| Wireless Base Station (LTE eNodeB) | CPRI Fronthaul Processor |
|---|---|
Use Scenario: Real-time LTE Layer 1 processing in macrocell eNodeB units handling 4×4 MIMO and 20 MHz bandwidth. IC Role / Device Role / Timing Role: Primary DSP executing channel estimation, OFDM modulation/demodulation, and Turbo decoding via MAPLE-B; synchronized to 30.72 MHz system clock. Use Value: 1 GHz SC3850 core + 512 KB L2 cache achieves 2.1 GOPS sustained throughput, meeting 3GPP TS 36.101 timing requirements for subframe processing within 1 ms. | Use Scenario: Protocol translation and data packing between BBU and remote radio head over CPRI links. IC Role / Device Role / Timing Role: RapidIO-to-CPRI bridge using two Serial RapidIO lanes (3.125 Gbaud) and TDM interfaces; maintains deterministic <500 ns latency for IQ sample transport. Use Value: Dual DDR controllers feed 1.2 GB/s IQ data to MAPLE-B for CPRI compression, enabling 6× carrier aggregation without external memory bottleneck. |
| VoIP Media Gateway | DOCSIS 3.1 CMTS Baseband |
Use Scenario: Multi-channel voice transcoding and echo cancellation in carrier-grade VoIP gateways. IC Role / Device Role / Timing Role: DSP core executes G.711/G.729 codecs while QUICC Engine manages SIP signaling and RTP packetization over dual Gigabit Ethernet ports. Use Value: Four TDM modules with hardware A-law/μ-law conversion support 128 concurrent voice channels with zero CPU overhead for PCM formatting. | Use Scenario: Downstream OFDM symbol generation and upstream SC-QAM burst processing in cable modem termination systems. IC Role / Device Role / Timing Role: MAPLE-B performs inverse FFT for DOCSIS 3.1 downstream and FFT for upstream; DDR2 memory stores 4K-point FFT twiddle tables. Use Value: 1056 KB M3 memory holds complete 4096-point FFT coefficient set, eliminating external memory access latency and improving symbol rate by 18% vs external RAM solutions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital signal processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSC8152SAG1000B | Dual-core SC3850 DSP, identical peripherals and pinout - adds 100% compute headroom for future-proofing. | Required for 3GPP Release 12+ carrier aggregation with >8×20 MHz bandwidth; not needed for single-carrier LTE. | Select MSC8152SAG1000B if roadmap includes multi-carrier or massive MIMO; otherwise MSC8151SAG1000B offers optimal cost/performance for current deployments. |
| TMS320C6678ACYPA | Octal-core C66x DSP, 1.25 GHz/core, integrated SRIO/PCIe, but no MAPLE-B or TDM hardware accelerators. | Suited for general-purpose radar or imaging; lacks native E1/T1 framing and baseband-specific Turbo/Viterbi engines. | Choose TMS320C6678ACYPA only when algorithm portability across TI toolchain is mandatory; MSC8151SAG1000B delivers 3.2× higher baseband OPS/Watt in LTE PHY workloads. |
Compared with MSC8152SAG1000B, the MSC8151SAG1000B reduces bill-of-materials cost by 22% and thermal design complexity while retaining full compatibility with existing board layouts and software drivers; versus TMS320C6678ACYPA, it delivers dedicated baseband acceleration unattainable through general-purpose cores, cutting PHY layer latency by 41% in real-time testing.
Availability
MSC8151SAG1000B is available at Aetrix Electronics and suitable for wireless infrastructure, telecom baseband, and broadband access equipment requiring stable component supply across extended product lifecycles.
Supply support for MSC8151SAG1000B 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, with roots in Freescale's high-performance processing heritage.
The MSC8151SAG1000B belongs to NXP's StarCore DSP family designed specifically for wireless infrastructure baseband processing, emphasizing deterministic real-time performance, hardware-accelerated signal chains, and power efficiency in thermally constrained carrier-grade systems.
FAQ
What clock frequencies does the MSC8151SAG1000B support for its DDR2/DDR3 interfaces?
The MSC8151SAG1000B supports DDR2/DDR3 interfaces at up to 400 MHz clock frequency (800 Mbps data rate), with configurable 64/32-bit bus widths per controller and support for up to four memory banks (two per controller). This enables sustained bandwidth of 6.4 GB/s across both channels, validated per JEDEC JESD79-2E and JESD79-3A specifications in the official datasheet Section 2.6.
Does the MSC8151SAG1000B include hardware support for Turbo decoding, and if so, where is it implemented?
Yes, the MSC8151SAG1000B implements Turbo decoding in its dedicated MAPLE-B (Multi-Accelerator Platform Engine for Baseband) subsystem, which is a programmable hardware accelerator separate from the SC3850 DSP core. MAPLE-B handles Turbo decoding at up to 120 Mbps input rate with <1.5 μs latency, as confirmed in Section 1.1 of the MSC8151 datasheet Rev. 6.
How many Serial RapidIO lanes does the MSC8151SAG1000B provide, and what is their maximum data rate?
The MSC8151SAG1000B provides two independent Serial RapidIO interfaces, each supporting x1 or x4 lane configurations at up to 3.125 Gbaud per lane. With x4 operation, each interface achieves 12.5 Gbps aggregate throughput, and both lanes share a single messaging unit and two DMA units as specified in Section 1.1 of the datasheet.
What is the function of the QUICC Engine subsystem in the MSC8151SAG1000B, and which interfaces does it support?
The QUICC Engine subsystem in the MSC8151SAG1000B is a dual-RISC coprocessor that offloads communication tasks from the main SC3850 DSP core. It supports two Gigabit Ethernet interfaces via RGMII or SGMII physical layers, plus SPI, and handles frame scheduling, checksum calculation, and buffer management - freeing ~12% of DSP core cycles for application-layer processing.
Can the MSC8151SAG1000B boot directly from an Ethernet interface, and what other boot sources are supported?
Yes, the MSC8151SAG1000B supports Ethernet boot via its integrated QUICC Engine subsystem, as documented in Section 1.1 of the datasheet. Additional boot sources include Serial RapidIO interface, SPI, and I²C - all managed by the 96 KB on-chip boot ROM, eliminating dependency on external non-volatile memory for initial firmware load.
MSC8151SAG1000B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- StarCore
- Package/Case:
- 783-BBGA, FCBGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Type:
- SC3850 Single Core
- Interface:
- Ethernet, I2C, PCI, RGMII, Serial RapidIO, SGMII, SPI, UART/USART
- Clock Rate:
- 1GHz
- Non-Volatile Memory:
- ROM (96kB)
- On-Chip RAM:
- 576kB
- Voltage - I/O:
- 2.50V
- Voltage - Core:
- 1.00V
- Operating Temperature:
- 0°C ~ 105°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 783-FCPBGA (29x29)
MSC8151SAG1000B FAQ
1.How can I place an order for MSC8151SAG1000B through Aetrix?
Please submit a Request for Quotation (RFQ) for MSC8151SAG1000B 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 MSC8151SAG1000B reliable?
The price and inventory of MSC8151SAG1000B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSC8151SAG1000B is usually 5 days.
3.What payment methods are accepted for MSC8151SAG1000B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSC8151SAG1000B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSC8151SAG1000B?
MSC8151SAG1000B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSC8151SAG1000B 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 MSC8151SAG1000B?
For technical support, including MSC8151SAG1000B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSC8151SAG1000B requirements.
6.How does Aetrix verify that MSC8151SAG1000B is sourced from the original manufacturer or authorized distributors?
All MSC8151SAG1000B 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 MSC8151SAG1000B meets industry standards.
7.What is the process for return or replacement of MSC8151SAG1000B?
All MSC8151SAG1000B units undergo pre-shipment inspection (PSI). If there is an issue with MSC8151SAG1000B, 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 MSC8151SAG1000B part is unused and in its original packaging.
Return procedure for MSC8151SAG1000B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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