NXP Semiconductors KMPC8265ACZUMIBC

Overview

KMPC8265ACZUMIBC from NXP Semiconductors (formerly Freescale) is a PowerQUICC™ II integrated communications processor featuring a dual-issue EC603e core, 32-bit CPM coprocessor, and integrated 60x-to-PCI bridge. It operates at up to 300 MHz core frequency, supports 32-bit local bus (up to 83 MHz) and 32-bit PCI bus (66 MHz, 3.3 V), and integrates dual-port RAM, memory controller, and multiple serial interfaces for telecom and networking edge applications.

For engineers reviewing the KMPC8265ACZUMIBC datasheet, KMPC8265ACZUMIBC pinout, KMPC8265ACZUMIBC application, or KMPC8265ACZUMIBC equivalent, this page delivers verified technical context, validated pin functions, real-world use cases in TDM/ATM/Ethernet systems, and two confirmed alternative parts with documented functional and packaging differences.

Technical Context

The KMPC8265ACZUMIBC implements a split-clock architecture with independent PLLs for its G2 core (150–300 MHz) and Communications Processor Module (CPM), enabling power-optimized asynchronous operation. Its 60x bus provides 64-bit data width and supports burst transfers, ECC/parity, and multi-master arbitration.

It integrates a full-featured CPM with three Fast Communications Controllers (FCCs), four Serial Communications Controllers (SCCs), two Serial Management Controllers (SMCs), SPI, I²C, eight TDM ports, and UTOPIA Level 2 interface - all programmable via microcode and backed by 32 KB dual-port RAM. The on-chip 60x-to-PCI bridge complies with PCI Specification Rev. 2.2 and supports DMA streaming in both directions.

Key Specifications

Pinout & Package

KMPC8265ACZUMIBC is housed in a 480-ball thin BGA (TBGA) package with 1.27 mm pitch, designed for high-density telecom PCBs. Thermal resistance is θJA = 83°C/W (4-layer board, 1 m/s airflow) and θJB = 4°C/W, requiring controlled copper pour and thermal vias under the package.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8260AZUUPEA, KMPC8265ACZUMIBC adds PCI bridging and a third FCC for dual-homed Ethernet/ATM; versus MPC8272CZQHBC, it trades raw speed and security features for mature, field-proven PCI integration and lower power at 300 MHz.

Availability

KMPC8265ACZUMIBC is available at Aetrix Electronics and suitable for DSLAM line cards, VoIP media gateways, industrial Ethernet switches, and cellular base station controllers requiring stable component supply across extended product lifecycles.

Supply support for KMPC8265ACZUMIBC 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 acquired Freescale in 2015 and maintains legacy PowerQUICC product support, documentation, and long-term supply for industrial and telecom customers.

The KMPC8265ACZUMIBC belongs to the PowerQUICC™ II family, engineered specifically for carrier-grade communications infrastructure requiring integrated protocol acceleration, deterministic real-time response, and multi-interface concurrency.

FAQ

What is the maximum operating frequency of the KMPC8265ACZUMIBC core?

The KMPC8265ACZUMIBC supports a maximum core frequency of 300 MHz, achievable with VDD = 1.9–2.24 V and ambient temperature ≤70°C. At this speed, it delivers approximately 1.90 Dhrystone MIPS/MHz and meets AC timing specifications under 50 pF load conditions per the MPC8260AEC Rev. 2.0 datasheet.

Does KMPC8265ACZUMIBC include an integrated PCI interface?

Yes, KMPC8265ACZUMIBC integrates a fully compliant PCI 2.2 bridge supporting 32-bit, 66 MHz, 3.3 V operation. It functions as either a host bridge or peripheral device, includes four dedicated DMA channels, and auto-loads configuration registers from external EPROM - eliminating need for external PCI interface logic.

What serial interfaces are supported by KMPC8265ACZUMIBC for telecom applications?

KMPC8265ACZUMIBC supports three Fast Communications Controllers (FCCs) with MII and UTOPIA Level 2, four Serial Communications Controllers (SCCs) for HDLC/UART/Ethernet, two Serial Management Controllers (SMCs), SPI, I²C, and eight TDM ports - enabling concurrent ATM, T1/E1, VoIP, and Ethernet protocol handling in a single chip.

What package type and thermal characteristics apply to KMPC8265ACZUMIBC?

KMPC8265ACZUMIBC uses a 480-ball TBGA package (27 mm × 27 mm, 1.27 mm pitch). Its thermal resistance is θJA = 83°C/W (4-layer board, 1 m/s airflow) and θJB = 4°C/W. Designers must implement thermal vias, solid ground/power planes, and voltage-tracking supplies per Freescale's layout guidelines in MPC8260AEC Rev. 2.0.

Is KMPC8265ACZUMIBC pin-compatible with other MPC826xA family members?

No, KMPC8265ACZUMIBC is not fully pin-compatible with other MPC826xA variants. While sharing the same 480-TBGA footprint, pin functions differ significantly - especially for PCI signals (present only on MPC8265/MPC8266) and TC-layer I/O (MPC8264/MPC8266 only). Board design must target KMPC8265ACZUMIBC specifically.