NXP Semiconductors MPC866TZP100A

Overview

MPC866TZP100A from NXP (formerly Freescale) is a PowerQUICC™ I communications processor integrating a 32-bit PowerPC core, CPM-based serial peripherals, and Fast Ethernet controller in a single PBGA package. It delivers 100 MHz CPU operation with 4 KB instruction/4 KB data cache, supports MII/UTOPIA ATM interfaces, and targets embedded telecom edge devices requiring deterministic real-time packet processing.

For engineers reviewing the MPC866TZP100A datasheet, MPC866TZP100A pinout, MPC866TZP100A application, or MPC866TZP100A equivalent, key selection criteria include its 100 MHz core frequency, dual-voltage supply (1.8 V core / 3.3 V I/O), 357-pin PBGA package, IEEE 1149.1 JTAG debug support, and integrated FEC with MII/UTOPIA dual-mode capability.

Technical Context

The MPC866TZP100A implements a single-issue PowerPC core with MMU, 32-entry ITLB/DTLB, and physically addressed caches. Its CPM subsystem executes serial protocol offload via 10 SDMA channels, four SCCs, two SMCs, SPI, I²C, and TSA - all synchronized to the SIU's clock synthesizer and bus arbiter.

It operates in 1:1 bus mode at 100 MHz CPU/50 MHz bus or 2:1 mode at 100 MHz CPU/50 MHz bus, with memory controller supporting up to eight banks, dynamic bus sizing (8/16/32-bit), and glueless interface to SDRAM, SRAM, and flash. Thermal design requires junction-to-board (RθJB = 13°C/W) and junction-to-ambient (RθJA = 23°C/W on 4-layer board) modeling.

Key Specifications

Pinout & Package

357-pin plastic ball grid array (PBGA), 27 mm × 27 mm, 1.27 mm pitch, RoHS-compliant. Package conforms to JEDEC MO-205AB standard with thermal pad exposed on underside.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC866TZP100A, MPC866PZP133 offers higher compute headroom but increases thermal design complexity, while MPC852TVR100B sacrifices integrated networking capability for lower cost and simpler packaging - neither is pin-compatible, and both require PCB redesign.

Availability

MPC866TZP100A is available at Aetrix Electronics and suitable for DSLAM line cards, VoIP gateways, industrial protocol converters, and secure RTUs requiring stable component supply across extended temperature ranges (–40°C to +100°C junction).

Supply support for MPC866TZP100A 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 embedded processors for automotive, industrial, and networking applications, with heritage from Freescale's PowerQUICC family.

The MPC866TZP100A belongs to the PowerQUICC I product line, designed specifically for cost-optimized, low-power communications edge devices requiring integrated ATM/Ethernet processing and deterministic real-time serial protocol handling.

FAQ

What is the maximum operating junction temperature for the MPC866TZP100A?

The MPC866TZP100A has a maximum guaranteed junction temperature (Tj(max)) of 100°C under extended temperature conditions. This rating applies when ambient temperature is –40°C and thermal design meets JEDEC JESD51-6 requirements for a 4-layer board with 200 ft/min airflow. Exceeding 100°C risks permanent parametric shift or functional failure. The MPC866TZP100A datasheet specifies RθJB = 13°C/W as the dominant thermal path, so board-level copper area and via density directly determine achievable power envelope.

Does the MPC866TZP100A support 100 Mbps full-duplex Ethernet operation?

Yes, the MPC866TZP100A supports 100 Mbps full-duplex Ethernet via its integrated Fast Ethernet Controller (FEC) using the MII interface. It complies with IEEE 802.3u and supports auto-negotiation, flow control, and store-and-forward mode. However, it does not implement GMII or RGMII - external PHY must provide MII signaling. The MPC866TZP100A FEC achieves line-rate performance only when paired with a PHY that meets MII timing skew limits (<10 ns) and uses proper PCB layout practices (≤6″ trace length, 50 Ω impedance control).

Can the MPC866TZP100A operate with a 50 MHz external crystal?

Yes, the MPC866TZP100A accepts a 50 MHz external crystal on the EXTAL/EXTCLK pins. The internal PLL multiplies this reference to generate the 100 MHz CPU clock in 2:1 bus mode. Crystal drive level must comply with AC specifications: VIHC ≥ 0.7×VDDH (≥2.2 V) and input capacitance ≤20 pF. Layout requires guard ring around crystal traces and placement within 5 mm of the EXTAL/EXTCLK pins to minimize noise coupling - deviations risk PLL unlock or increased jitter affecting FEC timing margin.

How many serial communication controllers (SCCs) does the MPC866TZP100A include?

The MPC866TZP100A includes four Serial Communication Controllers (SCCs), as confirmed in Table 1 of the MPC866/MPC859 Hardware Specifications. All four SCCs support HDLC, UART, and ATM SAR modes. SCC4 can be configured as a UTOPIA Level 2 interface for direct connection to ATM PHYs. This matches the MPC866T variant designation ('T' = 4 KB cache, 4 SCCs), distinguishing it from MPC859 variants which include only one SCC. No firmware patch or configuration register modifies this hardware count.

Is the MPC866TZP100A pin-compatible with the MPC866PZP133?

Yes, the MPC866TZP100A and MPC866PZP133 share identical 357-pin PBGA mechanical footprint, pin assignment, and power sequencing requirements. Both use the same VDDL/VDDH/VDDSYN rail structure, JTAG interface, and memory controller signal mapping. However, the MPC866PZP133 operates at 133 MHz and features larger 16 KB instruction / 8 KB data caches - software must validate timing margins and cache coherency behavior before substitution. No PCB changes are required, but thermal validation is mandatory due to 25% higher power dissipation.