KMPC8540VT667LB - PowerPC e500 MPU 667MHz 783-FCBGA | NXP
MPN： KMPC8540VT667LB ✗ 停產KMPC8540VT667LB 概覽
Background: A microprocessor (MPU) is an integrated circuit that contains a full central processing unit on a single die, often paired with integrated memory controllers, peripheral interfaces, and accelerator blocks. The MPC85xx family belongs to the PowerQUICC III hierarchy - high-performance communications processors built on Power Architecture technology, positioned between general-purpose CPUs and application-specific network processors in the broader embedded system taxonomy.
Key features include a 32-bit PowerPC e500 core with Book E instruction set support, integrated DDR memory controller, PCI Express and RapidIO fabric interfaces, four GigaBit Ethernet MACs, and an enhanced local bus controller. The device also integrates security acceleration, DMA engines, and dual I2C, SPI, and DUART interfaces, consolidating what previously required multiple companion chips into a single BGA package.
The architecture employs a superscalar e500 core backed by L1 instruction and data caches (32 KB each) and a unified L2 cache, delivering deterministic throughput for packet-processing workloads. Hardware-assisted queue management, table lookup acceleration, and CRC engines offload work that would otherwise consume CPU cycles in software, enabling the 667 MHz device to sustain multi-Gbps data plane performance.
Typical applications include multi-service routers, Layer 2/3 enterprise switches, network attached storage (NAS) controllers, line cards for base stations, and industrial control gateways. The combination of integrated memory controller and high-speed serial interfaces makes the MPC8540 well suited to designs where board real estate and bill-of-materials count are critical.
When designing with this device, allocate at least four PCB layers for the 783-ball FCBGA breakout and follow NXP's reference design for power sequencing - the 1.2 V core rail must ramp before the I/O rails to avoid latch-up. Use controlled-impedance routing for the DDR2 memory channels and observe the strict length-matching tolerances documented in the hardware specifications.
This page synthesizes current distributor pricing, validated drop-in MPC85xx family alternatives, and engineering-graded design notes not aggregated in any single distributor page.
直接替換替代品，適用於 KMPC8540VT667LB — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： KMPC8540VT667LB （相同外形與佔位） — 差異在於 Data Bus Width, Operating Temperature, Series.
KMPC8540VT833LB
✅ 直接替換📋 參考替代品（不在目錄中）
KMPC8540VT667LC
✅ 直接替換📋 參考替代品（不在目錄中）
MPC8555EVTAPF
✅ 直接替換聯絡詢價
查看資料表 →KMPC8540VT667LD
✅ 直接替換📋 參考替代品（不在目錄中）
MPC8544EVTALQ
✅ 直接替換📋 參考替代品（不在目錄中）
KMPC8540VT667LB 最大額定值與電氣特性
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| Series | MPC85xx PowerQUICC III |
| Processor Type | PowerPC e500 MPU |
| Core Count | 1 |
| 資料匯流排寬度 | 32-bit |
| Maximum Clock Speed | 667 MHz |
| Core Voltage | 1.2 V |
| 封裝 / 外殼 | 783-FCPBGA (29 mm x 29 mm) |
| 安裝類型 | Surface Mount |
| 工作溫度 | 0C to +70C (commercial) |
| Instruction Set | PowerPC Book E |
| L1 Cache | 32 KB instruction + 32 KB data |
| Integrated Interfaces | DDR memory controller, PCI Express, RapidIO, 4x GbE, I2C, SPI, DUART, Enhanced Local Bus |
| Packaging | Tray |
| Lead Free / RoHS | Lead Free, RoHS status per NXP product page |
KMPC8540VT667LB 783-fcpbga (29 mm x 29 mm) 腳位配置指南
KMPC8540VT667LB（783-fcpbga (29 mm x 29 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： KMPC8540VT667LB.
請參閱 資料表 以查看完整腳位配置。
典型應用
KMPC8540VT667LB 適用於 7 應用s: Multi-Service Routers and Edge Gateways, Enterprise Layer 2/3 Switch Control Plane, Network Attached Storage (NAS) Controllers, Industrial Control and Automation Gateways, Wireless Base Station Line Cards, Telecom and Datacenter Edge Appliances, Print and Imaging Controller Boards.
Multi-Service Routers and Edge Gateways
The KMPC8540VT667LB's integrated quad Gigabit Ethernet MACs and hardware queue management make it well suited for multi-service router and edge gateway designs. Its DDR memory controller feeds line-rate packet buffers, while the four GbE ports handle WAN/LAN fan-out without external switches. The 667 MHz e500 core sustains deep packet inspection at typical edge rates (1-5 Gbps aggregate), making it a workhorse for SMB router and SD-WAN edge appliances.
推薦
Enterprise Layer 2/3 Switch Control Plane
Control-plane processor duties in enterprise switches map cleanly to the KMPC8540VT667LB's PCI Express and RapidIO interfaces, which link to external PHY and switch-fabric ASICs. The 1.2 V low core voltage keeps the part within typical switch chassis thermal envelopes, while the integrated I2C, SPI, and DUART handle management peripherals. Using the 783-FCPBGA, designers can dedicate the MPC8540 to management-plane duties while line-card ASICs handle data-plane switching.
推薦
Network Attached Storage (NAS) Controllers
NAS appliances benefit from the KMPC8540VT667LB's combination of GbE ports for network attachment and the Enhanced Local Bus for direct NAND/NOR flash and SATA-attach storage controllers. The 32-bit e500 with 32 KB L1 caches handles file-system metadata operations efficiently, while the DMA engines accelerate block transfers between storage and network. This integration typically eliminates a separate storage controller chip in four-drive NAS designs.
推薦
Industrial Control and Automation Gateways
Industrial gateways leverage the KMPC8540VT667LB's deterministic interrupt response from the PowerPC Book E architecture to bridge Modbus, PROFINET, and EtherCAT fieldbuses to Ethernet backbones. The integrated serial interfaces (I2C, SPI, DUART) connect directly to industrial sensors and actuators, while the GbE ports aggregate traffic onto plant networks. Operating from 0C to +70C, the part handles commercial-industrial control cabinet environments without derating.
推薦
Wireless Base Station Line Cards
Base station line cards use the KMPC8540VT667LB's RapidIO links for chip-to-chip communication between baseband ASICs and the control-plane processor, while maintaining timing references through its hardware timer blocks. The 667 MHz e500 runs PHY calibration and link-adaptation algorithms in real time, offloading the main baseband DSP. At 1.2 V core voltage, the part meets the power budgets of distributed radio units in macro-cell installations.
推薦
Telecom and Datacenter Edge Appliances
Datacenter edge appliances such as load balancers and security appliances benefit from the KMPC8540VT667LB's PCI Express and RapidIO fabrics to attach specialized co-processors for cryptography and deep packet inspection. The 32 KB L1 caches accelerate per-flow state lookups while the integrated DMA engines move bulk packet payloads without CPU intervention. Combined with its quad GbE ports, the MPC8540 can fan out traffic to multiple uplink paths in a 1U rack appliance form factor.
推薦
Print and Imaging Controller Boards
High-end multifunction printer and production-print controller boards use the KMPC8540VT667LB to coordinate imaging pipelines between scanner engines, RIP processors, and print-head drivers. The Enhanced Local Bus connects to high-speed image buffers, while the GbE ports handle network print-job ingestion and remote management. The deterministic PowerPC core produces consistent page-render timing required for industrial print quality assurance.
推薦
推薦產品摘要
工程參考資料，適用於 KMPC8540VT667LB — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | KMPC8540VT833LB | KMPC8540VT667LC | MPC8555EVTAPF | MPC8544EVTALQ |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 783-FCPBGA (29x29) | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same | 783-FCPBGA (29x29) - same |
| Series / Family | MPC85xx PowerQUICC III | MPC85xx PowerQUICC III (same) | MPC85xx PowerQUICC III (same) | MPC85xx PowerQUICC III (extended) | MPC85xx successor family |
| Integrated GbE | 4x Gigabit Ethernet | 4x Gigabit Ethernet (same) | 4x Gigabit Ethernet (same) | 4x Gigabit Ethernet + crypto | Updated Ethernet block |
| Core Voltage | 1.2 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Crypto Acceleration | No | No | No | Yes - security engine | Optional variant |
| Temperature Grade | Commercial (0C to +70C) | Commercial | Industrial variant | Commercial | Commercial |
主要差異化特點
- Speed upgrade in identical package (對比KMPC8540VT833LB)
- Cryptographic acceleration add-on (對比MPC8555EVTAPF)
- Extended temperature variant available (對比KMPC8540VT667LC)
設計說明
Estimated: The 783-FCPBGA package has theta_JA typically in the 12-18 C/W range for a properly designed 4-layer board with thermal vias under the BGA. At 667 MHz and 1.2 V core, power dissipation is approximately 5-7 W depending on workload, requiring either a heat spreader or significant copper thermal relief. Designers should follow NXP's reference thermal design and verify junction temperature with the on-die thermal diode in production characterization.
Power sequencing for KMPC8540VT667LB requires the 1.2 V core rail to ramp before the I/O voltage rails per NXP's hardware design checklist. A sequencer IC such as the MAX16046 or equivalent must control enable ordering to prevent latch-up and bus contention. Bulk decoupling of at least 47 uF ceramic plus 220 uF bulk capacitance is recommended near the BGA, with high-frequency 0.1 uF and 1 nF capacitors distributed across adjacent power balls.
The 783-ball flip-chip BGA requires 4-8 layer PCB stackup with controlled-impedance routing for the DDR2 memory channels and high-speed serial interfaces. Microvia-in-pad technology is recommended to escape the dense ball grid, and length matching of DDR signals to within 25 mil tolerance is mandatory for reliable memory operation. Follow NXP's reference PCB layout in the MPC8540 hardware design guide for ball breakout, via placement, and ground plane stitching.
Do not omit the JTAG TAP pins or the system reset configuration latch signals - they are required for bring-up and field firmware updates. Do not route differential pairs (PCIe, RapidIO, GbE) without impedance matching and skew control. Do not exceed the absolute maximum ratings for I/O voltage, including the 3.3 V tolerant I/O cells, and ensure the DDR reference voltage (VREF) tracks within 50 mV of VDDQ/2 across all operating conditions.
合規資訊
Lead-free per NXP product brief; RoHS and REACH compliance noted in distributor parametric data as of 2026-10-16. AEC-Q100 not applicable (non-automotive part).