NXP Semiconductors MPC866TVR100A

Overview

MPC866TVR100A from NXP Semiconductors (formerly Freescale) is a PowerQUICC™ integrated communications processor combining a 32-bit PowerPC core, CPM coprocessor, and Fast Ethernet controller in a single PBGA package. It delivers 100 MHz CPU operation with 4-Kbyte instruction and 4-Kbyte data caches, dual-port RAM, four SCCs, two SMCs, FEC, UTOPIA Level 2, and MII support - enabling embedded networking control in DSLAMs, ATM edge routers, and industrial gateways.

For engineers reviewing the MPC866TVR100A datasheet, MPC866TVR100A pinout, MPC866TVR100A application, or MPC866TVR100A equivalent, key selection criteria include its 100 MHz core frequency, 357-pin PBGA package, 1.8 V core / 3.3 V I/O supply scheme, enhanced SAR (ESAR) ATM functionality, and compatibility with IEEE 802.3 10/100Base-T and UTOPIA half-duplex interfaces.

Technical Context

The MPC866TVR100A implements a single-issue 32-bit PowerPC core with MMU, 32-entry ITLB/DTLB, and physically addressed caches. Its CPM module executes serial protocol stacks independently via 16 SDMA channels and 8-Kbyte dual-port RAM, supporting HDLC, UART, IrDA, BISYNC, and AAL2/VBR in ROM-resident firmware.

System integration includes a memory controller with eight banks, programmable wait states, glueless SDRAM/SRAM/Flash support, and SIU features such as JTAG debug, PIT, watchdog, clock synthesizer, and IEEE 1149.1 TAP - all operating under strict 1.8 V core and 3.3 V I/O voltage sequencing with ≤100 mV VDDL–VDDSYN differential tolerance.

Key Specifications

Pinout & Package

357-pin plastic ball grid array (PBGA), 27 mm × 27 mm, 1.27 mm pitch, JEDEC MO-205AC compliant. Thermal pad on underside requires solder paste stencil opening and ground plane connection for thermal management.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC866PZQ133D and MPC852TVR100D, the MPC866TVR100A provides balanced performance for ATM/DSL edge devices: sufficient cache and SDMA resources for ESAR-mode operation without over-specifying for lower-throughput use cases, and superior integration over the MPC852T in TDM-aware applications.

Availability

MPC866TVR100A is available at Aetrix Electronics and suitable for DSLAM line cards, ATM edge routers, industrial protocol gateways, and VoIP media gateways requiring stable component supply across extended product lifecycles.

Supply support for MPC866TVR100A 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 IoT markets, with heritage in Freescale's PowerQUICC family.

The MPC866TVR100A belongs to the PowerQUICC™ I communications processor line, designed specifically for cost-sensitive, high-integration embedded networking applications requiring ATM, Ethernet, and TDM protocol acceleration in a single chip.

FAQ

What is the maximum ambient temperature rating for MPC866TVR100A in standard-grade operation?

The MPC866TVR100A has a standard-grade operating ambient temperature range of 0 °C to 70 °C, with junction temperature limited to 95 °C. This requires thermal design ensuring RθJA ≤ 23 °C/W on a 4-layer board with airflow, or ≤19 °C/W at 200 ft/min airflow, based on 210 mW typical power dissipation at 100 MHz. Exceeding these limits risks thermal shutdown or accelerated electromigration failure.

Does MPC866TVR100A support full-duplex UTOPIA Level 2 operation?

No, the MPC866TVR100A supports UTOPIA Level 2 in half-duplex mode only, as confirmed in the Hardware Specifications Rev. 2 document. Full-duplex UTOPIA master/slave operation is available only on the MPC866P variant (16-Kbyte instruction cache). The MPC866TVR100A implements UTOPIA Level 2 with added FIFO buffering for reduced cell transmission time but does not support simultaneous transmit and receive on the same bus.

How many serial communication controllers (SCCs) are implemented in MPC866TVR100A?

The MPC866TVR100A implements four serial communication controllers (SCCs), as specified in Table 1 of the MPC866/MPC859 Hardware Specifications. All four SCCs support serial ATM capability, and SCC4 optionally supports UTOPIA. This distinguishes it from MPC859 variants, which implement only one SCC, and aligns with the MPC866T designation indicating 4-Kbyte caches and four SCCs.

What is the purpose of the Time Slot Assigner (TSA) in MPC866TVR100A?

The Time Slot Assigner (TSA) in MPC866TVR100A enables dynamic routing of TDM time slots between serial peripherals. It supports T1, E1, ISDN, and PCM highway standards with 1- or 8-bit resolution, allowing independent transmit/receive path configuration and frame synchronization. In MPC866TVR100A, the TSA connects to all four SCCs and both SMCs, making it essential for VoIP media gateway and industrial TDM-to-packet conversion applications.

Can MPC866TVR100A operate with asynchronous clock domains for its core and I/O supplies?

No - MPC866TVR100A requires strict voltage sequencing: VDDL (core) must not exceed VDDH (I/O) during power-up/down, and the difference between VDDL and VDDSYN must remain ≤100 mV. Asynchronous clock domains are not supported; the internal clock synthesizer derives all clocks (CPU, bus, CPM, FEC) from a single CLKIN source, with PLL locking to maintain phase coherence across modules.