NXP Semiconductors MPC8306CVMAFDCA

Overview

MPC8306CVMAFDCA from NXP Semiconductors (formerly Freescale) is a PowerQUICC II Pro integrated communications processor built on Power Architecture® technology, featuring an e300c3 core (133–333 MHz), dual integer units, 16 KB instruction and data caches, and a 16-bit DDR2 SDRAM controller supporting up to 266 MHz data rate. It integrates a QUICC Engine block with five unified communication controllers (UCCs) for 10/100 Mbps Ethernet (MII/RMII), IEEE 1588 time synchronization, HDLC, and TDM - deployed in residential gateways and industrial control systems.

For engineers reviewing the MPC8306CVMAFDCA datasheet, MPC8306CVMAFDCA pinout, MPC8306CVMAFDCA application, or MPC8306CVMAFDCA equivalent, key selection considerations include DDR2 timing compliance at 1.8 V, QUICC Engine programmability for protocol offload, FlexCAN 2.0B support, eSDHC v2.0 compatibility, and multi-voltage I/O domain management (VDD = 1.0 V, GVDD = 1.8 V, OVDD = 3.3 V).

Technical Context

The MPC8306CVMAFDCA implements a dual-domain clock architecture: the e300c3 core operates at up to 333 MHz using a dedicated PLL, while the QUICC Engine runs independently at up to 233 MHz with its own PLL - enabling concurrent real-time protocol processing and application execution. Its DDR2 controller supports 14 address lines, 16-bit data width, auto-refresh, and CKE-based power management.

Communication subsystems include five UCCs (each configurable for MII/RMII, HDLC, TDM, or IEEE 1588), four FlexCAN modules, dual DUARTs (16450/16550-compatible), USB 2.0 HS host/device/OTG, eSDHC v2.0 (up to 33.33 MHz card clock, 4-bit mode), two I²C interfaces, SPI, and GPIO (56 pins). All peripherals are managed via IPIC interrupt controller with six priority groups and unique vector assignment.

Key Specifications

Pinout & Package

The MPC8306CVMAFDCA is housed in a 484-pin PBGA package (27 mm × 27 mm, 1.0 mm pitch) with thermal lid. Ball map includes dedicated DDR2 signal groups (MDQ[15:0], MDQS[1:0], MCK/MCK), QUICC Engine serial interfaces (TDM, HDLC), and multiplexed local bus signals (LAD[25:0], LA[25:0]).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8306CVMAFDCA, MPC8313EVRAGDB offers higher CPU performance and PCIe but removes eSDHC, while MPC8315EVRAGDB adds SATA and cryptographic acceleration at the cost of increased thermal envelope - making MPC8306CVMAFDCA optimal for cost-sensitive, I/O-balanced designs needing SD card support and IEEE 1588 timing.

Availability

MPC8306CVMAFDCA is available at Aetrix Electronics and suitable for residential gateways, industrial Ethernet controllers, and test & measurement instruments requiring stable component supply, long-term lifecycle assurance, and full documentation traceability.

Supply support for MPC8306CVMAFDCA 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 applications, with roots in Freescale's Power Architecture® heritage.

The MPC8306CVMAFDCA belongs to the PowerQUICC II Pro family - designed specifically for cost-optimized, highly integrated communications processors targeting networking edge devices where protocol offload, low-power operation, and multi-interface concurrency are critical.

FAQ

What is the maximum DDR2 SDRAM data rate supported by the MPC8306CVMAFDCA?

The MPC8306CVMAFDCA supports a DDR2 SDRAM data rate of up to 266 MHz, corresponding to a 133 MHz clock frequency with double-data-rate operation. This enables a peak theoretical bandwidth of 426 MB/s over its 16-bit bus. The controller supports programmable timing, auto-refresh, and CKE-based power-down modes - all compliant with JEDEC DDR2-266 specifications under GVDD = 1.8 V ±100 mV conditions.

Does the MPC8306CVMAFDCA support IEEE 1588 Precision Time Protocol hardware timestamping?

Yes, the MPC8306CVMAFDCA provides IEEE 1588 hardware timestamping capability across all five unified communication controllers (UCCs). Each UCC can inject and extract precise timestamps on Ethernet frames at the MAC layer, enabling sub-microsecond synchronization accuracy in time-critical applications such as industrial automation and telecom base stations - without consuming e300c3 CPU cycles.

How many FlexCAN modules does the MPC8306CVMAFDCA integrate, and what protocol version do they implement?

The MPC8306CVMAFDCA integrates four independent FlexCAN modules, each implementing the full CAN 2.0B protocol specification. Each module supports up to 64 message buffers, hardware ID filtering, programmable loop-back mode for self-test, and global network time synchronization - all operating independently and requiring only external transceivers (e.g., TJA1042) for physical layer connectivity.

What are the required power supply voltages and sequencing constraints for the MPC8306CVMAFDCA?

The MPC8306CVMAFDCA requires three primary supply domains: VDD = 1.0 V ±50 mV (core), GVDD = 1.8 V ±100 mV (DDR2 I/O), and OVDD = 3.3 V ±300 mV (peripheral I/O). Power sequencing mandates applying VDD before GVDD/OVDD; PORESET must be asserted until both supplies stabilize and at least 32 SYS_CLK_IN cycles elapse - ensuring reliable initialization per Freescale's documented power-up flow.

Is the MPC8306CVMAFDCA pin-compatible with other members of the PowerQUICC II Pro family?

No, the MPC8306CVMAFDCA is not pin-compatible with other PowerQUICC II Pro processors such as MPC8313E or MPC8315E. While sharing architectural similarities and some peripheral sets, differences in ball count (484 vs. 620/672), DDR interface width (16-bit vs. 32-bit), and peripheral allocation (e.g., absence of PCIe/SATA) result in distinct package footprints and signal mappings - requiring unique PCB layout for MPC8306CVMAFDCA.