NXP Semiconductors MPC8343EVRADDB

Overview

MPC8343EVRADDB from Freescale Semiconductor is a PowerQUICC II Pro integrated host processor featuring an embedded PowerPC e300 core operating up to 400 MHz, dual 10/100/1000 Mbps Ethernet controllers (TSEC), 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-attached storage, industrial gateways, and secure edge routers.

For engineers reviewing the MPC8343EVRADDB datasheet, MPC8343EVRADDB pinout, MPC8343EVRADDB application, or MPC8343EVRADDB equivalent, this page delivers verified functional identity, confirmed package mapping (PBGA-783), validated pin roles, real-world timing constraints (e.g., 125 MHz EC_GTX_CLK125, 66 MHz PCI clock), and two documented alternative processors for networking and embedded control use cases.

Technical Context

The MPC8343EVRADDB implements a superscalar e300 core with 32 KB instruction and 32 KB data L1 caches, lockable cache segments, and dynamic power management. Its DDR/DDR2 controller supports 32-bit data width at up to 266 MHz, four physical banks (1 Gbyte each), and on-the-fly power management via CKE.

Dual TSEC modules comply with IEEE 802.3, 802.3u, 802.3z, and 802.3ac standards, offering RGMII/RTBI/GMII/TBI interfaces, 9.6-Kbyte jumbo frame support, and 2-Kbyte TX/RX FIFOs per channel. The integrated security engine includes four crypto-channels with dedicated AESU, DEU, PKEU, MDEU, and AFEU units.

Key Specifications

Pinout & Package

PBGA-783 package with 27 mm × 27 mm body size and 0.8 mm ball pitch. Pinout conforms to Freescale MPC8343EAEC Rev. 11 documentation, Section 18 ("Package and Pin Listings").

Key Features

Applications

Equivalent & Alternatives

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

Compared with MPC8343EVRADDB, MPC8349EVRADDB offers higher clock performance with zero layout change, while MPC8377EVRADDB extends functionality with USB and SRTP but requires board revision due to pinout differences.

Availability

MPC8343EVRADDB is available at Aetrix Electronics and suitable for network-attached storage, industrial protocol gateways, and secure edge routers requiring stable component supply across multi-year production cycles.

Supply support for MPC8343EVRADDB 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) designed high-performance Power Architecture-based processors for networking, automotive, and industrial markets before its 2015 acquisition.

The MPC8343EVRADDB belongs to the PowerQUICC II Pro family, engineered specifically for cost-sensitive, power-efficient embedded networking systems requiring integrated security, dual Gigabit Ethernet, and DDR memory control.

FAQ

What is the maximum DDR2 data rate supported by the MPC8343EVRADDB?

The MPC8343EVRADDB supports DDR2 SDRAM at up to 266 MHz data rate on its 32-bit interface, delivering 4.2 GB/s peak bandwidth. This is confirmed in Section 6 of the MPC8343EAEC Rev. 11 specification, which states "32-bit data interface, up to 266 MHz data rate" for DDR1/DDR2 operation. The MPC8343EVRADDB implements this capability directly through its integrated memory controller without external logic.

Does the MPC8343EVRADDB include hardware acceleration for IPsec?

Yes, the MPC8343EVRADDB integrates a dedicated security engine optimized for IPSec, SSL/TLS, and IEEE 802.11i processing. As specified in Section 1 (Overview), it contains four crypto-channels with AESU (AES-128/192/256), DEU (DES/3DES), and MDEU (SHA-1/224/256) units - enabling full IPsec ESP/AH offload without CPU involvement. This is a silicon-level feature of the MPC8343EVRADDB device.

What package type and ball count does the MPC8343EVRADDB use?

The MPC8343EVRADDB uses a PBGA-783 package with 27 mm × 27 mm body size and 0.8 mm ball pitch, as documented in Section 18 ("Package and Pin Listings") of the MPC8343EAEC Rev. 11 datasheet. This package is mechanically and thermally qualified for industrial temperature operation and matches the footprint of other PowerQUICC II Pro variants like MPC8349EVRADDB.

Can the MPC8343EVRADDB operate in PCI host mode?

Yes, the MPC8343EVRADDB supports PCI host mode using CLKIN as the primary clock source, with configurable PCI-to-memory streaming, posting, and address translation. Section 13 ("PCI") confirms PCI Specification Revision 2.3 compliance, host bridge capabilities, and support for five PCI masters - all enabled in host mode. The MPC8343EVRADDB's PCI interface operates at 32-bit/66 MHz with full parity and coherency enforcement.

What is the function of the EC_GTX_CLK125 pin on the MPC8343EVRADDB?

The EC_GTX_CLK125 pin on the MPC8343EVRADDB provides a 125 MHz reference clock for the eTSEC transmitter, required for RGMII and RTBI PHY interfaces. Per Table 8 in the MPC8343EAEC Rev. 11 spec, it has strict AC requirements: ±150 ps jitter, 47–53% duty cycle, and rise/fall times ≤1.0 ns. This clock is essential for generating compliant GTX_CLK signals in gigabit Ethernet applications.