NXP Semiconductors KMPC8315VRAGDA

Overview

KMPC8315VRAGDA from NXP Semiconductors (formerly Freescale) is a PowerQUICC II Pro integrated host processor built on Power Architecture™ e300c3 core, operating at up to 400 MHz with 16 KB instruction and 16 KB data caches, floating-point unit, and MMU support. It integrates dual three-speed Ethernet controllers (10/100/1000 Mbps), dual SATA 3 Gbps interfaces, DDR1/DDR2 memory controller (up to 266 MHz), PCI interface (32-bit, 66 MHz), and USB 2.0 host/device/OTG controller - targeting network-attached storage (NAS), VoIP gateways, and industrial controllers.

For engineers reviewing the KMPC8315VRAGDA datasheet, KMPC8315VRAGDA pinout, KMPC8315VRAGDA application, or KMPC8315VRAGDA equivalent, key selection criteria include e300c3 core performance, dual SATA 3 Gbps support, absence of integrated security engine (vs. MPC8315E), DDR1/DDR2 memory controller timing, and RAGDA package-specific thermal and power sequencing requirements.

Technical Context

The KMPC8315VRAGDA implements the e300c3 core derived from MPC603e architecture, featuring two integer units and one FPU, with software compatibility across PowerPC-based Freescale processors. Its SoC integration includes dual eTSECs supporting RGMII/MII/RTBI/SGMII, a 32-bit PCI controller compliant with PCI Local Bus Spec 2.3, and a 16-/32-bit DDR1/DDR2 SDRAM controller with auto-refresh and CKE-based power management.

Unlike the MPC8315E, the KMPC8315VRAGDA omits the SEC 3.3 security engine - confirmed in Freescale documentation stating "the MPC8315 does not" include security acceleration. It retains dual SATA 3 Gbps controllers, dual PCI Express x1 lanes (PCIe 1.0a), TDM interface (up to 128 time slots), and IPIC interrupt controller compatible with MPC8260.

Key Specifications

Pinout & Package

Package: PBGA-620 (RAGDA), 27 mm × 27 mm, 1.0 mm ball pitch, RoHS-compliant. Thermal pad exposed on underside for heatsink attachment; requires controlled reflow profile per J-STD-020.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8315EVRAGDB, KMPC8315VRAGDA removes security engine overhead and cost while retaining identical I/O and memory capabilities; versus MPC8377ERMAR, it trades higher CPU speed and PCIe bandwidth for smaller footprint, lower power, and integrated SATA - making it optimal for compact, storage-focused edge nodes.

Availability

KMPC8315VRAGDA is available at Aetrix Electronics and suitable for network-attached storage (NAS), voice over IP (VoIP) gateways, and industrial controllers requiring stable component supply, long-term lifecycle support, and traceable sourcing from authorized channels.

Supply support for KMPC8315VRAGDA 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 deep heritage in Power Architecture™ processor design from its Freescale acquisition.

KMPC8315VRAGDA belongs to the PowerQUICC II Pro family, engineered for cost-effective, low-power embedded networking and storage applications - emphasizing integration of high-speed interfaces (SATA, eTSEC, PCIe) with deterministic real-time processing.

FAQ

Does KMPC8315VRAGDA include a hardware security engine?

No, KMPC8315VRAGDA does not include a security engine. Freescale documentation explicitly states "the MPC8315 do not include a security engine," distinguishing it from the MPC8315E. Cryptographic operations must be handled in software on the e300c3 core or via external accelerators. This omission reduces die size, power consumption, and cost - making KMPC8315VRAGDA appropriate for non-security-critical applications like basic NAS or industrial I/O controllers where software-based TLS or IPSec is acceptable.

What is the maximum DDR2 memory capacity supported by KMPC8315VRAGDA?

KMPC8315VRAGDA supports DDR2 SDRAM devices up to 4-Gbit density with x8/x16 data ports, enabling configurations such as two 2-Gbit chips (32-bit bus) for 512 MB total addressable memory. The DDR controller supports two physical banks (chip selects), each independently addressable, and up to 16 simultaneous open pages - optimizing bandwidth for multitasking Linux environments. Note that x4 DDR2 devices are not supported per Freescale's hardware specifications.

Can KMPC8315VRAGDA operate in PCI Express endpoint mode?

Yes, KMPC8315VRAGDA supports PCI Express endpoint mode on both of its dual x1 lanes. Each PCIe interface is configurable as either root complex or endpoint via configuration space registers, allowing flexible system topology design - for example, connecting an FPGA-based accelerator as an endpoint while using the second lane for a SATA controller. However, PCIe-based PME events are not supported, and virtual channel support is limited to VC0 per Freescale's specification.

What are the power sequencing requirements for KMPC8315VRAGDA during startup?

KMPC8315VRAGDA requires strict power sequencing: continuous core voltage (VDDC) must reach 90% of nominal before continuous I/O supplies (LVDDx_ON, NVDDx_ON) exceed 0.7 V; switchable core (VDD) must ramp before switchable I/O (GVDD, LVDDx_OFF, NVDDx_OFF). PORESET must remain asserted until all supplies stabilize and ≥32 SYS_CLK_IN cycles elapse. Violating this sequence risks I/O contention and excessive current draw - especially critical in D3warm standby transitions where GVDD and LVDDx_OFF must be fully disabled before VDD shutdown.

Is KMPC8315VRAGDA pin-compatible with MPC8315EVRAGDB?

Yes, KMPC8315VRAGDA and MPC8315EVRAGDB share identical PBGA-620 RAGD package dimensions, ball map, and pin functions - including power, ground, I/O, and clock assignments. The only functional difference is the presence (MPC8315E) or absence (KMPC8315VRAGDA) of the security engine block, which has no pin-level impact. This allows drop-in replacement in existing PCB layouts when security acceleration is not required, simplifying BOM rationalization and design reuse.