MCIMX31LVKN5C - i.MX31L ARM1136 MPU 532MHz 457-LFBGA | NXP
料号： MCIMX31LVKN5C ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.2 | $252.00 |
| 100 | $21.85 | $2,185.00 |
| 500 | $18.4 | $9,200.00 |
| 1,000 | $15.95 | $15,950.00 |
MCIMX31LVKN5C 概述
An applications processor in this class is a highly integrated microprocessor IC that combines a CPU core, memory controller, display controller, image-processing units, and connectivity peripherals on a single die. It sits in the system hierarchy above general-purpose microcontrollers and below dedicated application processors with on-die GPU acceleration. The i.MX31 family is a classic ARM11 (ARMv6) generation device used as a stepping stone between ARM9 and Cortex-A designs in PDAs, automotive infotainment pre-Cortex platforms, industrial HMI panels, and embedded Linux single-board computers.
Key features of the MCIMX31LVKN5C include the ARM1136JF-S core with Jazelle Java acceleration, a 532 MHz maximum operating frequency, 16 KB each of instruction and data cache, and a 128-bit-wide DDR memory controller supporting DDR and mobile DDR SDRAM. The integrated peripherals include a CMOS sensor interface, an LCD controller with Smart LCD support, USB On-The-Go 2.0, three UARTs, two CSPI ports, two SSI/I2S ports for audio, an ATA/IDE controller, MMC/SD card host, and PCMCIA/CF interface logic. The L variant disables the OpenVG/Ivici GPU block to reduce silicon cost and power.
Typical applications include automotive infotainment head units, industrial human-machine interface panels, point-of-sale terminals, portable medical data terminals, and consumer multimedia devices. Designers select the L variant when the application uses a separate display controller ASIC and does not require the on-die 2D/3D GPU acceleration of the full i.MX31. The 457-LFBGA package supports hand-tuned BGA routing and requires controlled-impedance DDR traces for stable operation.
A key design consideration is power sequencing: the i.MX31L has multiple voltage rails (core, I/O, DDR, PLL) that must rise in a documented order with a maximum 50 ms window. Failure to sequence the rails per the reference manual can result in latch-up or degraded long-term reliability. Designers should also budget for the external DDR memory controller tuning required by the 532 MHz operation.
This page consolidates pricing, drop-in alternatives, and design notes drawn from the NXP/Freescale i.MX31 datasheet plus real-time distributor listings not available in any single manufacturer document.
直接替换替代料： MCIMX31LVKN5C ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MCIMX31LVKN5C （相同外形与封装尺寸） ——差异在于 Package / Case, Mounting Type, Series, Graphics Processing Unit, Program Memory Type.
快速对比工具——选择替代料号进行并排对比：
MCIMX31VKN5C
✅ 直接替换✓ 有现货
$17.85 / 个
查看数据手册 →MCIMX31LVKN5B
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCIMX31LVKM5C
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCIMX31LVKN5C 最大额定值与电气特性
| Core Processor | ARM1136JF-S |
| Core Architecture | ARM11 (ARMv6) |
| Number of Cores | 1 Core, 32-Bit |
| Maximum CPU Frequency | 532 MHz |
| Graphics Processing Unit | None (L variant omits GPU) |
| Instruction Cache | 16 KB |
| Data Cache | 16 KB |
| Program Memory Type | ROMless (external flash required) |
| 封装 / 外壳 | 457-LFBGA (14x14 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount |
| Memory Controller | DDR / mobile DDR SDRAM, 128-bit bus |
| Display Controller | Integrated LCD controller with Smart LCD |
| USB Interface | USB 2.0 On-The-Go (OTG) |
| 工作温度范围 | -40C to +85C (industrial) |
| 电源电压 | Multiple rails (core, I/O, PLL) per datasheet |
| Series | i.MX31 / i.MX31L |
| Compliance | RoHS (check) - restrictions apply due to BGA package |
| Oscillator Type | External |
MCIMX31LVKN5C 457-lfbga (14x14 mm, 0.8 mm pitch) 引脚配置指南
MCIMX31LVKN5C（457-lfbga (14x14 mm, 0.8 mm pitch) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MCIMX31LVKN5C.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCIMX31LVKN5C 适用于 7 应用s: Automotive Infotainment Head Units, Industrial HMI Panels, Point-of-Sale Terminals, Portable Medical Data Terminals, Single-Board Computers with Embedded Linux, Multimedia Set-Top Boxes and Media Players, Automotive Telematics and Fleet Tracking.
Automotive Infotainment Head Units
The MCIMX31LVKN5C fits automotive infotainment head units where the ARM1136JF-S 532 MHz CPU handles media playback, CAN/LIN gateway tasks, and HMI rendering without the cost of the full i.MX31 GPU. The integrated LCD controller with Smart LCD support drives the main display, while the CMOS sensor interface accepts reversing-camera input. USB 2.0 OTG and ATA host interfaces allow portable media playback and HDD storage. Designers choose the L suffix specifically because head-unit HMI is rendered with CPU vector graphics to reduce BOM cost.
推荐
Industrial HMI Panels
The MCIMX31LVKN5C suits industrial human-machine interface panels that need a full operating system (Linux, WinCE) but do not require 2D/3D graphics acceleration. Its ARM1136JF-S 532 MHz core drives Qt- or Embedded Windows-based HMIs at moderate frame rates, while the integrated LCD controller connects directly to TFT panels. The 16 KB + 16 KB cache and 128-bit DDR controller sustain responsive touch-screen UIs even with multiple background tasks. Designers prefer the L variant over the full i.MX31 because industrial panels rarely need the GPU.
推荐
Point-of-Sale Terminals
The MCIMX31LVKN5C fits point-of-sale terminals that combine a touch-screen HMI, magnetic-stripe or smart-card reader, receipt printer, and Ethernet networking. Its 532 MHz ARM11 core runs a full Linux or WinCE POS application stack, while the integrated LCD controller drives the operator display and the CMOS sensor interface accepts a 1D/2D barcode imager. USB OTG simplifies field firmware updates from USB sticks. The L variant keeps BOM cost down because POS terminals do not benefit from GPU acceleration.
推荐
Portable Medical Data Terminals
The MCIMX31LVKN5C fits portable medical data terminals used at the bedside for patient-chart access, barcode medication administration, and vital-signs display. The 532 MHz ARM1136JF-S runs a HIPAA-compliant embedded OS, the LCD controller drives a sunlight-readable TFT, and the USB OTG port accepts barcode scanners and other USB medical peripherals. The mobile DDR controller with 128-bit bus keeps power consumption moderate for battery operation. The L variant lowers cost because medical HMIs do not require GPU acceleration.
推荐
Single-Board Computers with Embedded Linux
The MCIMX31LVKN5C fits single-board computers running embedded Linux distributions targeting industrial control, gateway, and edge-compute workloads. Its ARM1136JF-S 532 MHz plus 128-bit DDR controller sustains multi-tasking Linux workloads, the integrated LCD controller drives local diagnostic displays, and the Ethernet MAC plus USB OTG provide networking and storage. The L variant lowers BOM cost relative to the full i.MX31 when the SBC does not drive a GPU-rich HMI. Many legacy SBC designs from 2007-2012 used this exact part.
推荐
Multimedia Set-Top Boxes and Media Players
The MCIMX31LVKN5C fits early-generation set-top boxes and media players that decode standard-definition video and stream audio from local storage or network. The ARM1136JF-S 532 MHz runs the media-stack middleware, the SSI/I2S ports output PCM or compressed audio to external DACs, and the LCD controller drives front-panel displays. The L variant is preferred for cost-sensitive boxes that do not need GPU-accelerated UI rendering. Designers should pair the part with an external audio codec and HDMI transmitter for a finished product.
推荐
Automotive Telematics and Fleet Tracking
The MCIMX31LVKN5C fits automotive telematics and fleet-tracking units that combine GPS positioning, GPRS/3G modem connectivity, and on-board diagnostics (OBD II) data logging. Its 532 MHz ARM11 runs the telematics application stack, the USB OTG port accepts firmware updates, and the multiple UARTs interface GPS and cellular modem modules. The 128-bit DDR controller sustains map-rendering and route-computation workloads. The L variant keeps BOM cost low because fleet telematics rarely needs on-die GPU acceleration.
推荐
推荐产品汇总
工程参考数据： MCIMX31LVKN5C ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MCIMX31VKN5C | MCIMX31LVKN5B | MCIMX31LVKM5C |
|---|---|---|---|---|
| Package | 457-LFBGA (14x14 mm, 0.8 mm pitch) | 457-LFBGA (14x14 mm, 0.8 mm pitch) - same | 457-LFBGA (14x14 mm, 0.8 mm pitch) - same | 457-LFBGA (14x14 mm, 0.8 mm pitch) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Processor | ARM1136JF-S | ARM1136JF-S | ARM1136JF-S | ARM1136JF-S |
| Maximum CPU Frequency | 532 MHz | 532 MHz | 532 MHz | 532 MHz |
| GPU / Graphics Accelerator | None (L variant) | On-die GPU included | None (L variant) | None (L variant) |
| Instruction / Data Cache | 16 KB / 16 KB | 16 KB / 16 KB | 16 KB / 16 KB | 16 KB / 16 KB |
| Memory Controller | 128-bit DDR/mobile-DDR | 128-bit DDR/mobile-DDR | 128-bit DDR/mobile-DDR | 128-bit DDR/mobile-DDR |
| Silicon Revision | C | C | B (earlier revision) | C |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Pinout Compatibility | n/a | Drop-in compatible | Drop-in compatible | Drop-in compatible |
关键差异点
- L variant omits GPU to reduce silicon cost （对比 MCIMX31VKN5C)
- Pin-compatible with full i.MX31 in same K package （对比 MCIMX31VKN5C)
- 532 MHz ARM1136JF-S provides higher performance than ARM9 predecessors （对比 MCIMX27 family)
设计说明
The MCIMX31LVKN5C requires multiple voltage domains (core ~1.2 V, I/O 1.8 V or 3.3 V, PLL analog, DDR SSTL) that must power up in the sequence defined in the NXP/Freescale i.MX31 reference manual. Per the datasheet, all rails must reach 90 percent of nominal within 50 ms; failure to sequence correctly can cause latch-up or long-term reliability degradation. Use a multi-rail PMIC with sequence control (e.g., PF0100) rather than discrete LDOs for production builds.
The 457-LFBGA package uses 0.8 mm ball pitch, which requires microvia stack-up (laser-drilled vias on the top layer) and via-in-pad design rules. Per the NXP/Freescale i.MX31 hardware design guide, the DDR memory bus is the most demanding route with strict length matching (typically +/-50 mil across the 128-bit data group) and controlled impedance (50 ohm single-ended, 100 ohm differential for clock). Use the reference layout from the NXP i.MX31 SABRE platform as a starting point.
The MCIMX31LVKN5C at 532 MHz dissipates approximately 1.5-2 W typical in active workloads, depending on peripheral usage. The 457-LFBGA package has a thermal resistance of 24-28 C/W (theta JA) on a standard JEDEC 4-layer test board, which produces a junction-to-ambient delta of 35-55 C. For industrial-temperature (-40 to +85 C) enclosures without active cooling, design a solid ground plane under the BGA with thermal via array and consider a small heat-spreader if the ambient exceeds 60 C.
Common pitfalls with the MCIMX31LVKN5C include: (1) failing to configure the PLL lock-wait before releasing reset, (2) mixing the 16-bit and 32-bit DDR modes incorrectly, (3) ignoring the JTAG TRST requirement which causes debug-port lockup, and (4) confusing the L and V variant boot-mode pins which select different default peripheral mappings. Always boot from the documented NOR-flash or NAND-flash boot mode configuration in the reference manual.
合规信息
RoHS status is uncertain because the BGA ball-finish composition depends on date code; the original NXP/Freescale product line was subject to an ITC order affecting BGA-packaged product lines per the digchip datasheet notice. Verify compliance with the specific date code and material declaration before RoHS-critical builds.
