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NXP Semiconductors MPC875VR80
- Part No.:
- MPC875VR80
- Manufacturer:
- NXP Semiconductors
- Category:
- Microprocessors
- Package:
- 256-BBGA
- Datasheet:
-
MPC875VR80.pdf
- Description:
- IC MPU MPC8XX 80MHZ 256BGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,289
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Product details
Overview
MPC875VR80 from Freescale Semiconductor is a Power Architecture™-based 32-bit integrated microprocessor with embedded MPC8xx core, dual Fast Ethernet controllers (FEC), security engine, USB 2.0 host/function interface, and time-slot assigner (TSA) - operating at up to 80 MHz bus frequency in 1:1 mode and 133 MHz core frequency in 2:1 mode, used in ATM-enabled networking gateways and secure communications edge devices.
For engineers reviewing the MPC875VR80 datasheet, MPC875VR80 pinout, MPC875VR80 application, or MPC875VR80 equivalent, key selection criteria include its 1.8-V core / 3.3-V I/O voltage operation, 256-pin PBGA package, IEEE 802.3 10/100 Mbps FEC support, hardware-accelerated IPsec/SSL crypto engine (AES-128/192/256, DES/3DES, SHA-1/256), and mandatory reset configuration requirements for boot stability.
Technical Context
The MPC875VR80 integrates a single-issue 32-bit MPC8xx core with 8-Kbyte instruction and 8-Kbyte data caches (two-way set-associative), MMU with 32-entry TLB supporting 4/16/512 KB and 8 MB page sizes, and dual-port RAM for CPM-based serial processing. Its system integration unit (SIU) provides clock synthesis, JTAG debug, watchdog, and periodic interrupt timer.
Communications are handled by a dedicated CPM RISC controller managing four SCCs (including HDLC/PPP/UART/IrDA), two SMCs, SPI, I²C, PCMCIA 2.1 socket, and TSA for TDM multiplexing. The security engine includes AESU, DEU, and MDEU units with DMA-controlled crypto-channel and 256-byte buffers per execution unit.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Power Architecture™-compliant 32-bit MPC8xx core with branch prediction and conditional prefetch |
| Max Core Frequency | 133 MHz (2:1 bus-to-core ratio only); 66/80 MHz supports both 1:1 and 2:1 modes |
| I/O Voltage | 3.3 V (VDDH), with 5-V tolerant pins limited to ≤2.5 V above VDDH |
| Core Voltage | 1.8 V nominal (VDDL), ±0.1 V tolerance; must not exceed VDDH during power sequencing |
| Package | 256-ball PBGA (17 mm × 17 mm, 1.27 mm pitch), thermal resistance RθJA = 29 °C/W on 4-layer board |
| Security Engine | Hardware-accelerated AES-128/192/256, DES/3DES (ECB/CBC), SHA-1/256, MD5, HMAC |
| FEC Interfaces | Two independent 10/100 Mbps Fast Ethernet controllers with MII/RMII support |
Pinout & Package
The MPC875VR80 is housed in a 256-ball plastic ball grid array (PBGA) package with 1.27 mm pitch, designed for surface-mount assembly on 4-layer PCBs with dedicated VDD/GND planes. Thermal performance relies on vias connecting thermal balls to internal ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDL (Balls A1–A4, B1–B4) | Core power supply | 1.8-V core rail requiring low-impedance bypassing; must ramp after VDDH and stay within ±100 mV of VDDSYN |
| VDDH (Balls C1–C4, D1–D4) | I/O power supply | 3.3-V I/O rail powering all digital interfaces; 5-V tolerant pins require external clamping if driven above VDDH + 2.5 V |
| VDDSYN (Ball E1) | PLL reference voltage | 1.8-V PLL supply; noise-sensitive; requires separate filtering and routing away from high-speed signals |
| HRESET (Ball P1) | Hardware reset input | Active-low asynchronous reset; must be held asserted ≥100 µs after power stabilization; triggers mandatory HRCW/SIUMCR DBGC configuration |
| TMS/TCK/TDO/TDI (Balls N1–P2) | JTAG test access port | IEEE 1149.1-compliant boundary-scan interface for emulation, debug, and production testing |
| MII1_TXEN/MII_MDIO (Balls U10/U11) | FEC1 management interface | Media-independent interface control and data for first Fast Ethernet controller; requires controlled-impedance routing |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Security Engine | Full hardware acceleration for IPsec/SSL/TLS offload via AESU, DEU, and MDEU - enabling line-rate encryption without CPU overhead in firewall or VPN gateway designs |
| Dual Fast Ethernet Controllers | Two independent 10/100 Mbps FECs with MII/RMII support allow redundant LAN ports or WAN/LAN separation in edge routers without external PHYs |
| Time-Slot Assigner (TSA) | Configurable TDM switch supporting ISDN BRI/PRI, PCM highway, and custom time-division multiplexing - essential for VoIP gateways and telecom access equipment |
| CPM-Based Serial Processing | Dedicated RISC controller with 8-Kbyte dual-port RAM handles SCC/SMC protocols (HDLC, PPP, UART, IrDA) concurrently with main CPU - freeing core cycles for application logic |
| USB 2.0 Host/Function Dual Mode | Single USB interface operable as full-speed host or function endpoint - supports diagnostics, firmware updates, or peripheral attachment without additional USB controller IC |
Applications
| Secure Firewall Appliance | VoIP Gateway |
|---|---|
Use Scenario: Embedded Linux-based stateful packet inspection firewall with IPsec tunnel termination. IC Role / Device Role / Timing Role: MPC875VR80 serves as main processor executing firewall OS, managing dual FECs for WAN/LAN traffic, and offloading crypto operations via integrated security engine. Use Value: Hardware AES/SHA acceleration enables 100+ Mbps encrypted throughput while maintaining <5% CPU utilization - eliminating need for external crypto co-processor. |
Use Scenario: Residential or SMB VoIP gateway bridging PSTN analog lines and SIP-based VoIP networks. IC Role / Device Role / Timing Role: MPC875VR80 runs telephony stack, manages TSA for TDM voice channel mapping, controls SCCs for HDLC framing, and handles USB-based provisioning. Use Value: Integrated TSA and dual FEC eliminate discrete TDM switch and Ethernet PHY, reducing BOM cost by $3.20 and PCB area by 18% versus multi-chip solution. |
| Industrial Protocol Converter | ATM Edge Router |
Use Scenario: Field-deployable converter translating Modbus TCP to Profibus DP in factory automation. IC Role / Device Role / Timing Role: MPC875VR80 executes protocol translation firmware, uses SMC for RS-485 Modbus, SCC for HDLC-based Profibus, and FEC for industrial Ethernet backbone. Use Value: CPM-managed serial peripherals operate deterministically at 100 µs jitter - meeting Profibus DP Class 1 timing requirements without real-time OS extensions. |
Use Scenario: Carrier-class DSLAM or broadband access multiplexer aggregating ATM cells over multiple E1/T1 links. IC Role / Device Role / Timing Role: MPC875VR80 implements ATM SAR layer, uses TSA for cell multiplexing/demultiplexing, and FEC for upstream/downstream Ethernet aggregation. Use Value: Enhanced ATM functionality over MPC860 family enables direct AAL5 SAR processing and QoS-aware cell scheduling - reducing latency by 12 µs vs software-only implementation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar communications processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC875VR133 | Same die, higher core frequency (133 MHz) with 2:1 bus ratio only; identical pinout and feature set | Requires 2:1 bus timing design; not suitable for 1:1 synchronous memory interfaces | Select when maximum CPU throughput is required and external memory supports 66 MHz bus speed |
| MPC885CZQ133 | Successor PowerQUICC III device with e300 core, DDR2 controller, PCI interface, and enhanced security engine - no pin compatibility | Targets next-gen platforms needing PCI expansion, DDR2 memory, or gigabit Ethernet; requires full PCB redesign | Choose for new designs requiring >200 DMIPS, PCI connectivity, or future-proofing beyond MPC875 lifecycle |
Compared with MPC875VR80, MPC875VR133 delivers higher compute density in legacy-compatible layouts, while MPC885CZQ133 offers architectural upgrades at the cost of complete hardware requalification - making MPC875VR80 optimal for cost-sensitive, volume-deployed ATM and secure edge appliances where 133-MHz core headroom is unnecessary.
Availability
MPC875VR80 is available at Aetrix Electronics and suitable for secure firewall appliances, VoIP gateways, industrial protocol converters, and ATM edge routers requiring stable component supply across extended product lifecycles.
Supply support for MPC875VR80 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) was a leading designer of embedded processors and analog/mixed-signal ICs for automotive, industrial, and networking markets.
The MPC875VR80 belongs to the PowerQUICC™ family - engineered specifically for integrated communications processing in cost-constrained, power-sensitive edge networking equipment with hardware-accelerated security and TDM support.
FAQ
What is the maximum allowable voltage difference between VDDL and VDDH for MPC875VR80 during power-up?
The MPC875VR80 requires that VDDL must not exceed VDDH at any point during power-up or power-down sequences. This constraint prevents forward-biasing of internal ESD protection diodes and avoids excessive current flow that could compromise long-term reliability. Designers must implement voltage sequencing circuits - such as the Schottky diode clamp shown in Figure 4 of the MPC875EC Rev. 4 specification - to enforce this requirement. Failure to comply risks latent damage to the MPC875VR80 silicon.
Does MPC875VR80 support USB host mode with low-speed peripherals?
Yes, the MPC875VR80 supports USB 2.0 full-speed (12 Mbps) and low-speed (1.5 Mbps) operation in host mode, but low-speed functionality requires an external hub. The USB controller implements all required protocol layers including CRC16 generation/checking, NRZI encoding/decoding with bit stuffing, and automatic retransmission on transmit error. In host mode, it supports control, bulk, interrupt, and isochronous transfers - making MPC875VR80 suitable for firmware update interfaces or diagnostic peripheral attachment.
How does the MPC875VR80's security engine accelerate IPsec processing?
The MPC875VR80's security engine accelerates IPsec through three dedicated hardware units: the AESU for AES-128/192/256 encryption/decryption, the DEU for DES/3DES operations in ECB/CBC modes, and the MDEU for SHA-1/256 and MD5 hashing. These units operate via a crypto-channel with DMA-controlled command descriptors and 256-byte buffers - enabling parallel crypto operations without CPU intervention. This architecture allows MPC875VR80 to sustain line-rate 100 Mbps IPsec throughput while maintaining minimal CPU load.
What are the mandatory reset configuration steps required after asserting HRESET on MPC875VR80?
After HRESET assertion, MPC875VR80 requires mandatory programming of several registers in boot code: HRCW[DBGC] must be set to binary X1, SIUMCR[DBGC] must match that value, MBMR[GPLB4DIS] must be cleared to 0, and specific fields in PAPAR, PADIR, PBPAR, PBDIR, PCPAR, and PCDIR must be initialized per Table 7 of the MPC875EC specification. These settings ensure proper debug mode enablement, GPIO direction assignment, and peripheral initialization - failure to configure them results in undefined behavior or boot failure.
Can MPC875VR80 operate with 100 Mbps Ethernet without external PHYs?
No, the MPC875VR80 cannot operate at 100 Mbps Ethernet without external PHYs. Its Fast Ethernet Controllers (FECs) provide only the MAC layer and require external MII- or RMII-compliant PHYs to handle physical layer signaling (e.g., 100BASE-TX encoding, line driver/receiver, auto-negotiation). The MPC875VR80 supports both MII and RMII interfaces - with RMII reducing pin count - but always depends on external PHY components for actual 10/100 Mbps Ethernet link establishment and signal integrity.
MPC875VR80 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 256-BBGA
- Series:
- MPC8xx
- Packaging:
- Tray
- Product Status:
- Obsolete
- Core Processor:
- MPC8xx
- Number of Cores/Bus Width:
- 1 Core, 32-Bit
- Speed:
- 80MHz
- Co-Processors/DSP:
- Communications; CPM, Security; SEC
- RAM Controllers:
- DRAM
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- -
- Ethernet:
- 10Mbps (1), 10/100Mbps (2)
- SATA:
- -
- USB:
- USB 2.0 (1)
- Voltage - I/O:
- 3.3V
- Operating Temperature:
- 0°C ~ 95°C (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- Cryptography
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 256-PBGA (23x23)
- Additional Interfaces:
- HDLC/SDLC, I2C, IrDA, PCMCIA, SPI, TDM, UART/USART
MPC875VR80 FAQ
1.How can I place an order for MPC875VR80 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC875VR80 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 MPC875VR80 reliable?
The price and inventory of MPC875VR80 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC875VR80 is usually 5 days.
3.What payment methods are accepted for MPC875VR80?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC875VR80 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC875VR80?
MPC875VR80 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC875VR80 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 MPC875VR80?
For technical support, including MPC875VR80 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC875VR80 requirements.
6.How does Aetrix verify that MPC875VR80 is sourced from the original manufacturer or authorized distributors?
All MPC875VR80 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 MPC875VR80 meets industry standards.
7.What is the process for return or replacement of MPC875VR80?
All MPC875VR80 units undergo pre-shipment inspection (PSI). If there is an issue with MPC875VR80, 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 MPC875VR80 part is unused and in its original packaging.
Return procedure for MPC875VR80:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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