NXP Semiconductors KMPC8343EVRAGDB

Overview

KMPC8343EVRAGDB from Freescale Semiconductor is a PowerQUICC II Pro integrated host processor featuring an embedded PowerPC e300 core operating at up to 400 MHz, dual 10/100/1000 Mbps Ethernet controllers (TSECs), DDR1/DDR2 SDRAM memory controller with ECC support, PCI 2.3 interface, and hardware security engine supporting AES, DES, SHA, RSA, and RNG. It targets network edge routers, industrial gateways, and secure embedded communications systems.

For engineers reviewing the KMPC8343EVRAGDB datasheet, KMPC8343EVRAGDB pinout, KMPC8343EVRAGDB application, or KMPC8343EVRAGDB equivalent, key selection considerations include its 400 MHz e300 core performance, dual TSEC compliance with IEEE 802.3z/ac, DDR2-266 support at 1.8 V, PCI 3.3-V agent/host capability, and integrated crypto-accelerated IPSec/SSL offload - all in a 676-pin PBGA package.

Technical Context

The KMPC8343EVRAGDB implements a superscalar Power Architecture® e300 core with 32 KB instruction and 32 KB data L1 caches, lockable cache segments, and dynamic power management. Its memory subsystem supports up to four physical DDR/DDR2 banks (1 Gbyte each), 32-bit interface at 266 MHz, and on-the-fly ECC correction.

Networking is handled by two independent TSEC modules with RGMII/RTBI/GMII interfaces, 9.6-Kbyte jumbo frame support, and MII management; the security engine contains four crypto-channels with dedicated AESU, DEU, PKEU, MDEU, and RNG units for concurrent IPSec/SSL/TLS processing.

Key Specifications

Pinout & Package

KMPC8343EVRAGDB is housed in a 676-ball plastic ball grid array (PBGA) package with 27 mm × 27 mm body size and 1.0 mm ball pitch. Thermal pad exposed on underside for enhanced heat dissipation in industrial environments.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8349EVRAGDB, KMPC8343EVRAGDB offers identical feature set at lower core frequency and cost; versus LS1023A, it provides Power Architecture continuity, integrated crypto acceleration, and PCI legacy support - making it optimal for industrial gateways requiring long-term availability and deterministic real-time behavior.

Availability

KMPC8343EVRAGDB is available at Aetrix Electronics and suitable for network edge routers, industrial protocol gateways, and secure wireless access points requiring stable component supply, long-lifecycle support, and traceable sourcing for production programs.

Supply support for KMPC8343EVRAGDB 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) is a fabless semiconductor company specializing in embedded processors, analog, and connectivity solutions for automotive, industrial, and networking markets.

KMPC8343EVRAGDB belongs to the PowerQUICC II Pro family, designed specifically for cost-optimized, secure, and highly integrated communications infrastructure - balancing performance, peripheral richness, and hardware-accelerated security in a single-chip solution.

FAQ

What is the maximum DDR2 data rate supported by KMPC8343EVRAGDB?

KMPC8343EVRAGDB supports DDR2 SDRAM at up to 266 MHz data rate (DDR2-266), with 32-bit interface width and 1.8 V SSTL2-compatible I/O. This enables peak theoretical bandwidth of 8.5 GB/s, sufficient for dual-gigabit Ethernet packet buffering and real-time traffic shaping in industrial gateways.

Does KMPC8343EVRAGDB support both PCI host and agent modes?

Yes, KMPC8343EVRAGDB supports both PCI host and agent modes. In host mode, it drives the PCI bus using CLKIN as primary clock; in agent mode, it responds to PCI transactions synchronized to PCI_SYNC_IN. Mode selection is configured via boot pins and CFG_RESET_SOURCE registers during reset initialization.

What cryptographic algorithms are accelerated by the hardware security engine in KMPC8343EVRAGDB?

The KMPC8343EVRAGDB security engine accelerates AES-128/192/256 (ECB/CBC/CTR/CCM), DES/3DES (ECB/CBC), SHA-1/224/256, MD5, HMAC, RSA-2048, Diffie-Hellman, and elliptic curve cryptography. It also includes a true random number generator (RNG) and XOR parity accelerator for RAID applications.

What is the required power-up sequence for KMPC8343EVRAGDB?

KMPC8343EVRAGDB requires core voltage (VDD = 1.2 V) to reach 90% of nominal value before any I/O supply (GVDD/LVDD/OVDD) rises above 0.7 V. PORESET must be asserted before power supplies stabilize. I/O supplies have no ordering requirement among themselves, but violating the VDD-first rule risks >5 A contention current and potential latch-up.

Is KMPC8343EVRAGDB pin-compatible with other PowerQUICC II Pro processors?

KMPC8343EVRAGDB shares the same 676-pin PBGA package and pinout with MPC8347EVRAGDB and MPC8349EVRAGDB, enabling hardware reuse across the family. However, MPC8343EVRAGDB lacks the USB 2.0 host controller present in MPC8349EVRAGDB - software must verify peripheral enablement before assuming full functional compatibility.