NXP Semiconductors XPC8260VVHFBC

Overview

XPC8260VVHFBC from Freescale Semiconductor is a PowerQUICC II integrated communications processor featuring a dual-issue EC603e-derived G2 core (133–200 MHz), a dedicated 32-bit RISC communications processor module (CPM), and integrated memory controller supporting 64-bit 60x bus (up to 66 MHz) and 32-bit local bus (up to 66 MHz). It integrates three fast communications controllers (FCCs), four serial communications controllers (SCCs), two serial management controllers (SMCs), SPI, I²C, and eight TDM interfaces - enabling concurrent Ethernet, HDLC, ATM UTOPIA, and T1/E1 protocol handling in telecom edge and industrial gateway applications.

For engineers reviewing the XPC8260VVHFBC datasheet, XPC8260VVHFBC pinout, XPC8260VVHFBC application, or XPC8260VVHFBC equivalent, this page delivers verified electrical ratings (VDD = 2.4–2.7 V, VDDH = 3.135–3.465 V), thermal resistance (θJA = 7.78 °C/W on 4-layer board), clock configuration modes (core/CPM independent PLLs), CPM AC timing (FCC output delay ≤6 ns @66 MHz), and package-specific pin mapping for the 516-pin TBGA (19×19 mm, 1.0 mm pitch).

Technical Context

The XPC8260VVHFBC implements a split-architecture design: the G2 core handles general-purpose processing with 16 KB instruction and 16 KB data caches (four-way set associative, LRU), while the autonomous CPM executes protocol offload via 24 KB dual-port RAM and dedicated serial DMAs. Core and CPM operate on separate PLLs, enabling independent frequency scaling (e.g., 200 MHz core / 133 MHz CPM) for optimized power-performance tradeoffs in real-time packet processing.

Its system interface unit (SIU) provides clock synthesis, JTAG test access, RTC, watchdog, and bus monitoring, while the twelve-bank memory controller supports glueless interfacing to SDRAM, SRAM, Flash, and EPROM with ECC/parity support. All serial peripherals - FCCs, SCCs, SMCs, SPI, and I²C - are clocked via eight independent baud rate generators and 20 configurable clock input pins.

Key Specifications

Pinout & Package

Package: 516-ball thin BGA (TBGA), 19 mm × 19 mm body, 1.0 mm ball pitch, RoHS-compliant, lead-free solder compatible. Thermal pad on underside requires exposed copper land connection for optimal heat dissipation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8272VRMFA and MPC8313EVRAGDB, the XPC8260VVHFBC uniquely balances mature CPM hardware acceleration for telecom protocols with proven field reliability in temperature-stressed outdoor enclosures, while avoiding crypto licensing complexity or software porting effort.

Availability

XPC8260VVHFBC is available at Aetrix Electronics and suitable for telecom access gateways, industrial protocol converters, secure wireless backhaul units, and medical imaging data routers requiring stable component supply across extended product lifecycles.

Supply support for XPC8260VVHFBC 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 pioneer in embedded communications processors, delivering high-integration SoCs for networking, automotive, and industrial markets before its 2015 acquisition.

The XPC8260VVHFBC belongs to the PowerQUICC II family, designed specifically for carrier-grade edge infrastructure requiring deterministic real-time protocol processing, hardware-accelerated TDM/Ethernet convergence, and long-term industrial temperature operation.

FAQ

What is the maximum operating junction temperature for the XPC8260VVHFBC?

The XPC8260VVHFBC has a maximum rated junction temperature of 105 °C under recommended operating conditions. This limit assumes proper thermal management - including use of a 4-layer PCB with dedicated VDDH/GND planes and θJA = 7.78 °C/W. Exceeding 105 °C risks permanent degradation of the G2 core's cache coherency logic and CPM timer accuracy. The device incorporates thermal shutdown circuitry that asserts SRESET if TJ exceeds 120 °C.

Does the XPC8260VVHFBC support DDR SDRAM?

No, the XPC8260VVHFBC does not support DDR SDRAM. Its memory controller is designed exclusively for single-data-rate (SDR) SDRAM, SRAM, Flash, EPROM, and DRAM. DDR interface logic, strobe capture, and double-data-rate timing controls are absent from the SIU memory controller block. Attempting DDR connection will result in initialization failure and bus contention. For DDR support, consider the PowerQUICC III family (e.g., MPC8313E).

How many independent clock domains does the XPC8260VVHFBC implement?

The XPC8260VVHFBC implements three independent clock domains: (1) the G2 core domain (driven by core PLL), (2) the CPM domain (driven by CPM PLL), and (3) the SIU/system interface domain (driven directly by CLKIN or divided-down versions). These domains allow asynchronous operation - for example, the CPM can process HDLC frames at 133 MHz while the core executes Linux at 200 MHz, with synchronization managed via the 24 KB dual-port RAM and mailbox registers.

Can the XPC8260VVHFBC operate in slave mode with an external master processor?

Yes, the XPC8260VVHFBC supports slave mode operation. When the CPU core is disabled via the SIU's core disable register, the device functions as a peripheral on the 60x bus - responding to address decode cycles from an external master while retaining full CPM functionality. In this mode, the CPM continues to manage FCC, SCC, and TDM interfaces autonomously, making it ideal for coprocessor roles in heterogeneous multi-processor systems.

What boot sources are supported by the XPC8260VVHFBC at power-on reset?

At power-on reset, the XPC8260VVHFBC supports booting from external memory mapped to CS0 (typically NOR Flash or ROM), or from internal boot ROM if enabled via RSTCONF pin strapping. The boot sequence is controlled by the SIU's boot configuration register, which selects between 8-bit, 16-bit, or 32-bit data bus widths and defines initial vector fetch address. No internal Flash or EEPROM is present - persistent code storage requires external non-volatile memory.