NXP Semiconductors KMPC8358VRAGDDA

Overview

KMPC8358VRAGDDA from NXP Semiconductors (formerly Freescale) is a PowerQUICC II Pro communications processor featuring an e300 PowerPC core operating at up to 400 MHz, integrated QUICC Engine for multi-protocol processing (ATM, Ethernet, HDLC, POS), DDR/DDR2 SDRAM controller, PCI 2.3 interface, and dedicated security engine supporting AES, DES, SHA, RSA, and RNG. It serves as both control-plane and data-plane processor in DSLAMs, 3G Node B interface cards, media gateways, and high-end IADs.

For engineers reviewing the KMPC8358VRAGDDA datasheet, KMPC8358VRAGDDA pinout, KMPC8358VRAGDDA application, or KMPC8358VRAGDDA equivalent, key selection considerations include its dual-role CPU+QUICC architecture, 400 MHz e300 core frequency, DDR/DDR2 memory controller configurability (32/64-bit, 266 MHz), PCI 3.3 V 32-bit 66 MHz interface, and hardware-accelerated IPSec/SSL crypto engine with four crypto-channels.

Technical Context

The KMPC8358VRAGDDA integrates a superscalar e300 core (Power Architecture™ 603e compatible) with 32 KB instruction and 32 KB data cache, lockable L1 cache, and dynamic power management. Its QUICC Engine comprises two 400 MHz RISC controllers managing six UCCs for concurrent protocol handling including IEEE 1588, 10/100/1000 Mbps Ethernet (GMII/RGMII/TBI/RTBI), ATM SAR (OC-12/STM-4), POS (622 Mbps), HDLC (70 Mbps), and TDM (four interfaces).

Hardware acceleration includes a dedicated security engine with AESU (128/192/256-bit keys), DEU (DES/3DES), MDEU (SHA-1/224/256, MD5), PKEU (RSA up to 2048-bit), AFEU (RC4), and RNG. Memory subsystem supports DDR1 (2.5 V SSTL2) and DDR2 (1.8 V SSTL2) with full ECC, on-die termination, and registered DIMM compatibility.

Key Specifications

Pinout & Package

KMPC8358VRAGDDA is housed in a 620-pin Plastic Ball Grid Array (PBGA) package measuring 35 mm × 35 mm with 1.27 mm ball pitch and exposed thermal pad. Pinout follows Freescale's MPC8358E Revision 2.1 silicon layout per "Package and Pin Listings" (Section 21) of MPC8358EEC Rev. 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8360EVRAGDDA, KMPC8358VRAGDDA offers cost-optimized feature set with sufficient UCC count and ATM/Ethernet throughput for mid-tier DSLAMs and IADs; versus LS1023A, it delivers deterministic low-latency protocol acceleration via dedicated QUICC hardware rather than software-driven DPAA.

Availability

KMPC8358VRAGDDA is available at Aetrix Electronics and suitable for DSLAM development, 3G infrastructure upgrades, media gateway production, and high-end IAD manufacturing requiring stable component supply across extended product lifecycles.

Supply support for KMPC8358VRAGDDA 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 communication markets, with heritage in Freescale's PowerQUICC family.

KMPC8358VRAGDDA belongs to the PowerQUICC II Pro processor line, engineered specifically for cost-sensitive, high-integration communications infrastructure requiring combined control-plane intelligence and hardware-accelerated data-plane processing.

FAQ

What is the maximum DDR2 data rate supported by KMPC8358VRAGDDA?

KMPC8358VRAGDDA supports DDR2 SDRAM at up to 266 MHz data rate (533 MT/s), with 1.8 V SSTL2-compatible I/O, on-die termination, and full ECC capability. The memory controller is programmable for 32- or 64-bit bus width and supports registered DIMMs for high-density configurations in media gateway applications.

Does KMPC8358VRAGDDA support IEEE 1588 Precision Time Protocol?

Yes, KMPC8358VRAGDDA supports IEEE 1588 PTP in hardware via its QUICC Engine module. Timestamping is performed at the UCC Ethernet MAC layer with sub-microsecond accuracy, enabling precise synchronization for WCDMA Node B fronthaul and packet-based TDM emulation in telecom infrastructure.

What are the power supply sequencing requirements for KMPC8358VRAGDDA?

KMPC8358VRAGDDA requires core voltage (VDD and AVDD) to be applied before I/O supplies (GVDD, LVDD, OVDD) to prevent contention. Specifically, VDD must reach 90% of nominal (1.2 V) before any I/O rail exceeds 0.7 V. PORESET must be asserted during ramp-up. No sequencing order is required among I/O rails themselves.

Can KMPC8358VRAGDDA operate in PCI host mode and PCI agent mode?

Yes, KMPC8358VRAGDDA supports both PCI host and agent modes via configuration pins. In host mode, CLKIN serves as primary clock source; in agent mode, PCI_SYNC_IN provides timing. The interface is fully compliant with PCI Specification Revision 2.3 and supports 32-bit 66 MHz operation with parity and selectable coherency enforcement.

What cryptographic algorithms are accelerated by the security engine in KMPC8358VRAGDDA?

The KMPC8358VRAGDDA security engine accelerates AES (128/192/256-bit keys), DES/3DES, SHA-1/224/256, MD5, HMAC-SHA/MD5, RSA (up to 2048-bit), Diffie-Hellman, elliptic curve cryptography, and RC4. It includes four crypto-channels, dedicated execution units, and a hardware random number generator for full IPSec, SSL/TLS, and 802.11i offload.