NXP Semiconductors MPC866PVR100A

Overview

MPC866PVR100A from NXP Semiconductors (formerly Freescale) is a 32-bit PowerQUICC™ communications processor integrating a PowerPC core, CPM coprocessor, and Fast Ethernet controller in a single PBGA package. It delivers 133 MHz CPU operation, 16 KB instruction/8 KB data cache, four SCCs, two SMCs, UTOPIA Level 2 support, and MII-based 10/100Base-T connectivity - deployed in ATM edge routers, DSLAM line cards, and industrial protocol gateways.

For engineers reviewing the MPC866PVR100A datasheet, MPC866PVR100A pinout, MPC866PVR100A application, or MPC866PVR100A equivalent, key selection criteria include its dual-voltage operation (1.8 V core / 3.3 V I/O), 357-pin PBGA thermal profile, ESAR-enhanced ATM cell processing, and compatibility with legacy MPC860-based designs requiring enhanced SAR functionality.

Technical Context

The MPC866PVR100A implements a single-issue 32-bit PowerPC core with MMU, 32-entry ITLB/DTLB, and physically addressed caches supporting 4/16 KB instruction and 4/8 KB data configurations. Its CPM subsystem executes serial protocols independently via 16 SDMA channels and 8 KB dual-port RAM, offloading the main CPU.

It integrates a Fast Ethernet Controller with simultaneous MII and UTOPIA operation, enhanced SAR (ESAR) mode for OAM/PM cell handling, and a system integration unit featuring clock synthesizer, JTAG debug interface, and IEEE 1149.1 compliance - all operating within 0°C to 95°C junction temperature limits under 1.7–1.9 V core and 3.135–3.465 V I/O supply rails.

Key Specifications

Pinout & Package

Package: 357-pin Plastic Ball Grid Array (PBGA), 27 mm × 27 mm, 1.27 mm pitch, RoHS-compliant. Thermal pad on underside requires solder connection to internal ground plane for RθJB = 13 °C/W performance.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar communications processor applications.

Compared with MPC866PVR100A, MPC866PZQ133D offers extended thermal operation without architectural change, while MPC852TVR100A reduces feature set and cache size to lower cost - both retain the same package and memory controller, enabling layout reuse in scalable product families.

Availability

MPC866PVR100A is available at Aetrix Electronics and suitable for DSLAM line cards, industrial protocol gateways, and ATM edge routers requiring stable component supply across long-life telecom infrastructure programs.

Supply support for MPC866PVR100A 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 develops high-reliability processors for networking, automotive, and industrial applications, with heritage from Freescale's PowerQUICC family launched in the 1990s.

The MPC866PVR100A belongs to the PowerQUICC™ I communications processor line, designed specifically for cost-sensitive, low-power ATM, DSL, and industrial control applications requiring integrated protocol acceleration and deterministic real-time response.

FAQ

What is the maximum operating frequency of the MPC866PVR100A?

The MPC866PVR100A operates at a maximum CPU frequency of 133 MHz with a 1:1 bus ratio, requiring a 66.5 MHz EXTAL input to the internal PLL. At this speed, it achieves 133 MHz core execution while maintaining 66 MHz bus timing - validated per Table 5 power dissipation data showing 320 mW maximum at 133 MHz under worst-case voltage conditions. The MPC866PVR100A datasheet specifies this rating for standard temperature grade operation.

Does the MPC866PVR100A support 5 V tolerant I/O pins?

Yes, the MPC866PVR100A supports 5 V tolerance on specific pins including PA[0:15], PB[14:31], PC[4:15], PD[3:15], TDI, TDO, TCK, TRST_B, TMS, MII_TXEN, and MII_MDIO - as confirmed in Table 6 of the hardware specifications. However, these pins must not exceed VDDH + 2.5 V (i.e., 5.865 V max) during power-up or normal operation, and absolute maximum input voltage is capped at 5.5 V per the "Maximum Tolerated Ratings" section.

How many serial communication controllers (SCCs) does the MPC866PVR100A integrate?

The MPC866PVR100A integrates four serial communication controllers (SCCs), as explicitly stated in Table 1 of the hardware specifications. This distinguishes it from MPC859 variants (which have one SCC) and enables concurrent support for multiple protocols - such as HDLC on SCC1 for T1 framing, UART on SCC2 for console debug, ATM on SCC3 for UTOPIA, and Ethernet on SCC4 - all managed independently by the CPM.

What thermal management requirements apply to the MPC866PVR100A in a 4-layer PCB?

For a 4-layer PCB with 200 ft/min airflow, the MPC866PVR100A requires RθJMA = 19 °C/W thermal resistance per Table 4, limiting junction temperature to 95 °C at 320 mW dissipation. This necessitates thermal vias under the package's exposed pad connecting to inner GND plane, ≥4× 0.1 µF ceramic bypass capacitors placed within 0.5″ of each VDD pin group, and avoidance of copper voids beneath the PBGA - all specified in Section 9 "Layout Practices" of the MPC866PVR100A hardware documentation.

Is the MPC866PVR100A pin-compatible with other MPC866 family members?

Yes, the MPC866PVR100A shares identical 357-pin PBGA mechanical dimensions and pinout with all MPC866P variants (e.g., MPC866PZQ133D) and MPC852T derivatives, as confirmed by Figure 1 block diagram and Mechanical Data section. Pin compatibility extends to power, clock, reset, and peripheral signal assignments - though functional differences (e.g., cache size, SCC count, ESAR presence) require firmware validation when substituting across family members.