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NXP Semiconductors MSC8122TVT6400
- Part No.:
- MSC8122TVT6400
- Manufacturer:
- NXP Semiconductors
- Category:
- DSP (Digital Signal Processors)
- Package:
- 431-BFBGA, FCBGA
- Datasheet:
-
MSC8122TVT6400.pdf
- Description:
- DSP 16BIT 400MHZ MULTI 431FCBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,640
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Product details
Overview
MSC8122TVT6400 from Freescale Semiconductor is a quad-core StarCore SC140 DSP processor with four 400 MHz extended cores, 1436 KB total on-chip SRAM (M1), 475 KB M2 memory, and integrated Ethernet, TDM, DMA, and system bus interfaces. It targets high-channel-density voice/data processing in telecom infrastructure, VoIP gateways, and wireless baseband subsystems.
For engineers reviewing the MSC8122TVT6400 datasheet, MSC8122TVT6400 pinout, MSC8122TVT6400 application, or MSC8122TVT6400 equivalent, key selection criteria include its FC-PBGA–431 package, 1.2 V core supply, 3.3 V I/O voltage, 400 MHz core frequency, and support for 10/100 Mbps Ethernet with MII/RMII/SMII.
Technical Context
The MSC8122TVT6400 integrates four independent StarCore SC140 DSP extended cores, each with 224 KB M1 SRAM, 16-way 16 KB instruction cache, and programmable interrupt controller. Its MQBus interconnect operates at core frequency with up to 128-bit reads and 64-bit writes, enabling coherent multi-core access to 475 KB shared M2 memory.
It features a flexible 60x-compatible system bus (32/64-bit data, 32-bit address), Direct Slave Interface (DSI) supporting synchronous/asynchronous host access, and three-mode signal multiplexing between DSI and system bus. The integrated Ethernet controller supports full/half-duplex 10/100 Mbps operation with VLAN tagging, jumbo frames, and RMON statistics.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Four StarCore SC140 DSP extended cores, each with 224 KB M1 SRAM (1436 KB total) |
| Operating Frequency | 400 MHz core clock; supports 300/400/500 MHz configurations per datasheet Rev. 16 |
| Memory Interfaces | 64-bit MQBus to 475 KB M2 RAM; 60x-compatible system bus (32/64-bit); glueless SDRAM/GPCM/UPM support |
| Communication Peripherals | 10/100 Mbps Ethernet (MII/RMII/SMII), four TDM modules (128 Mbps aggregate), UART (6.25 Mbps), I²C boot interface |
| Power Supply | VDD = 1.14–1.26 V (400 MHz), VDDH = 3.135–3.465 V, VCCSYN = 1.16–1.24 V |
| Thermal Performance | RθJA = 26°C/W (natural convection), RθJC = 0.9°C/W, max junction temperature = 90°C (standard range) |
| Package | FC-PBGA–431, 20 mm × 20 mm, 1.27 mm ball pitch |
Pinout & Package
MSC8122TVT6400 uses a 431-ball Fine-Pitch Ball Grid Array (FC-PBGA) package measuring 20 mm × 20 mm with 1.27 mm ball pitch. Pin assignments follow Freescale's documented ball layout for top and bottom views, including dedicated power/ground balls, core interface signals (HA[31:0], HD[63:0]), and peripheral-specific pins (ETHRX_CLK, TDMxTSYN, GPIOx).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| B6, G14, R10 | NMI_OUT, INT_OUT, GBL | Non-maskable and maskable interrupt outputs; global bus lock signal for multi-master arbitration |
| F15, F16, H15 | ETHRX_CLK, ETHTX_CLK, ETHCRS | Dedicated Ethernet clock and carrier sense signals compliant with MII timing requirements |
| C18–C22, E19–E22, F17–F22, H18–H19 | TDMxTSYN, TDMxRCLK, TDMxTDAT, TDMxRSYN | Four independent TDM port pins supporting E1/T1 framer glueless interfacing and A-law/μ-law conversion |
| G5–G7, J5–J7, L2–L4 | HA23–HA27, BADDR27–BADDR31, HA11–HA14 | High-order address bus and bank address signals for external memory mapping across 8 banks |
| P12, P13, P14 | VCCSYN, GNDSYN, GND | Dedicated PLL synthesis supply and ground, isolated from core and I/O domains to minimize jitter |
Key Features
| Feature | Design Value |
|---|---|
| Quad-core deterministic processing | Four synchronized SC140 cores with local interrupt controllers (LIC) and global interrupt controller (GIC) enabling real-time task partitioning |
| Multi-level memory hierarchy | 1436 KB on-chip M1 SRAM + 475 KB M2 RAM + external SDRAM support via page-mode controller and UPMs |
| Hardware-accelerated TDM | Four independent TDM modules with programmable word size (2–16 bit), hardware A-law/μ-law, and direct E1/T1 framer interface |
| Flexible system interconnect | 60x-compatible system bus + Direct Slave Interface (DSI) with sliding window addressing and chip ID decoding for multi-DSP systems |
| Integrated Ethernet MAC | Full/half-duplex 10/100 Mbps with VLAN tagging, jumbo frame support (>1518 bytes), CRC generation/verification, and RMON statistics |
Applications
| Voice over IP Gateway | Wireless Baseband Processing |
|---|---|
Use Scenario: Aggregating and transcoding 128+ concurrent VoIP calls with echo cancellation, packet jitter buffering, and SIP signaling. IC Role / Device Role / Timing Role: Primary DSP engine executing real-time voice codecs (G.711, G.729), TDM-to-packet bridging, and Ethernet packet assembly. Use Value: 475 KB M2 memory enables large jitter buffers; four TDM ports directly interface to multiple E1 framers without glue logic. | Use Scenario: Real-time channel processing in 3G Node-B baseband units handling WCDMA modulation/demodulation and turbo decoding. IC Role / Device Role / Timing Role: Baseband signal processor performing FFT, channel estimation, and soft-decision Viterbi decoding across parallel cores. Use Value: 1436 KB on-chip M1 SRAM eliminates off-chip memory latency for critical algorithm kernels; 400 MHz sustained throughput meets 3GPP timing constraints. |
| Media Gateway Controller | Telecom Signaling Processor |
Use Scenario: Interworking between PSTN SS7 networks and IP-based IMS core using SIGTRAN adaptation layers and MTP3 routing. IC Role / Device Role / Timing Role: Protocol stack accelerator handling SCTP, M3UA, and SUA message parsing, validation, and forwarding. Use Value: Integrated Ethernet MAC with VLAN tagging and jumbo frame support enables efficient transport of large SS7 messages over IP; DMA controller offloads CPU from packet I/O. | Use Scenario: Dedicated SS7 MTP2/MTP3 layer processing in STP (Signal Transfer Point) equipment requiring ultra-low-latency message routing. IC Role / Device Role / Timing Role: Deterministic real-time processor executing time-critical link-state management and routing table updates. Use Value: Global interrupt controller (GIC) consolidates 32 virtual maskable interrupts across four cores, ensuring sub-10 µs response to link failure events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad-core DSP applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSC8156TVT1000 | Higher clock speed (1 GHz), larger on-chip memory (2 MB M1), enhanced security engine, but larger 27 mm × 27 mm FC-PBGA–676 package | Targeted at next-generation LTE eNodeB and high-density media servers where compute density exceeds MSC8122TVT6400 capacity | Select when >800 MIPS/core and cryptographic acceleration are required; requires PCB redesign due to different package and pinout |
| TMS320C6455ZTZ | Single-core C64x+ DSP at 1 GHz, 1 MB L2 cache, no integrated Ethernet MAC, requires external PHY and memory controller | Suitable for cost-sensitive single-stream processing where multi-core coordination overhead is unnecessary | Choose for simpler control-plane tasks or legacy C6000 software compatibility; lacks native TDM/Ethernet integration of MSC8122TVT6400 |
Compared with MSC8122TVT6400, MSC8156TVT1000 delivers higher throughput but demands more power and board space, while TMS320C6455ZTZ offers lower system integration and requires external components for networking - making MSC8122TVT6400 optimal for balanced telecom DSP workloads with integrated I/O.
Availability
MSC8122TVT6400 is available at Aetrix Electronics and suitable for voice over IP gateways, wireless baseband subsystems, and telecom signaling processors requiring stable component supply and long-term industrial availability.
Supply support for MSC8122TVT6400 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
Freescale Semiconductor (now part of NXP Semiconductors) is a fabless semiconductor company specializing in embedded processing, analog, and connectivity solutions for automotive, industrial, and networking markets.
The MSC8122TVT6400 belongs to Freescale's StarCore DSP family, designed specifically for high-channel-count telecommunications infrastructure requiring deterministic real-time processing, integrated TDM/Ethernet, and multi-core scalability.
FAQ
What is the maximum operating frequency supported by the MSC8122TVT6400?
The MSC8122TVT6400 supports configurable core frequencies of 300 MHz, 400 MHz, and 500 MHz per the Rev. 16 datasheet. At 400 MHz, it operates with VDD = 1.14–1.26 V and delivers sustained performance for multi-channel voice and data processing. The 500 MHz configuration requires tighter voltage tolerance (VDD = 1.16–1.24 V) and is validated for standard temperature range (0–90°C). MSC8122TVT6400 does not support overclocking beyond these specified bins.
Does the MSC8122TVT6400 include an integrated Ethernet PHY?
No, the MSC8122TVT6400 integrates only a Media Access Control (MAC) layer compliant with IEEE 802.3 for 10/100 Mbps operation. It requires an external PHY device for physical layer signaling - supporting MII, RMII, or SMII interfaces. The MAC provides full/half-duplex operation, VLAN tagging, jumbo frame support, and RMON statistics, but relies on external components for MDI/MDIX, line drivers, and auto-negotiation. MSC8122TVT6400 does not embed PHY circuitry.
How many TDM channels does the MSC8122TVT6400 support, and what framing standards are compatible?
The MSC8122TVT6400 supports four independent TDM modules, each configurable for 2-, 4-, 8-, or 16-bit word sizes and capable of hardware A-law/μ-law conversion. It achieves up to 128 Mbps aggregate data rate and provides glueless interface to E1 (2.048 Mbps) and T1 (1.544 Mbps) framers. It also interoperates with H-MVIP/H.110 devices, TSI switches, and AC-97 codecs. MSC8122TVT6400 does not support T3 or SONET framing.
What power supply rails are required for proper operation of the MSC8122TVT6400?
The MSC8122TVT6400 requires three distinct supply rails: VDD (1.14–1.26 V for 400 MHz operation) for core and PLL logic, VDDH (3.135–3.465 V) for I/O and peripheral interfaces, and VCCSYN (1.16–1.24 V) for the PLL synthesis circuit. Each rail must be independently decoupled with low-ESR capacitors near the package balls. The datasheet specifies separate GNDSYN and GND planes to isolate PLL noise. MSC8122TVT6400 does not operate with shared or merged supply domains.
Is the MSC8122TVT6400 pin-compatible with other members of the MSC81xx family?
No, the MSC8122TVT6400 is not pin-compatible with other MSC81xx devices such as MSC8156 or MSC8102. While sharing architectural similarities, it uses a unique 431-ball FC-PBGA footprint with specific ball assignments for its four TDM ports, dual Ethernet clocks, and M2 memory bus. Pinouts differ significantly in address/data bus allocation, power/ground distribution, and peripheral signal placement. Migration to other MSC81xx parts requires full PCB redesign. MSC8122TVT6400 has no drop-in replacements within the family.
MSC8122TVT6400 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- StarCore
- Package/Case:
- 431-BFBGA, FCBGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Type:
- SC140 Core
- Interface:
- DSI, Ethernet, RS-232
- Clock Rate:
- 400MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 1.436MB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.20V
- Operating Temperature:
- -40°C ~ 105°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 431-FCPBGA (20x20)
MSC8122TVT6400 FAQ
1.How can I place an order for MSC8122TVT6400 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSC8122TVT6400 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 MSC8122TVT6400 reliable?
The price and inventory of MSC8122TVT6400 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSC8122TVT6400 is usually 5 days.
3.What payment methods are accepted for MSC8122TVT6400?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSC8122TVT6400 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSC8122TVT6400?
MSC8122TVT6400 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSC8122TVT6400 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 MSC8122TVT6400?
For technical support, including MSC8122TVT6400 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSC8122TVT6400 requirements.
6.How does Aetrix verify that MSC8122TVT6400 is sourced from the original manufacturer or authorized distributors?
All MSC8122TVT6400 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 MSC8122TVT6400 meets industry standards.
7.What is the process for return or replacement of MSC8122TVT6400?
All MSC8122TVT6400 units undergo pre-shipment inspection (PSI). If there is an issue with MSC8122TVT6400, 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 MSC8122TVT6400 part is unused and in its original packaging.
Return procedure for MSC8122TVT6400:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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