MCIMX503EVM8B - i.MX50 Cortex-A8 MPU 800MHz 400-LFBGA | NXP
料号： MCIMX503EVM8B ✓ 量产中MCIMX503EVM8B 概述
A microprocessor (MPU) is an integrated circuit that contains one or more processor cores together with tightly-coupled memory and a rich set of system peripherals. The Cortex-A8 architecture sits inside the broader ARM application-processor hierarchy (Cortex-A5/A7/A8/A9/A15), optimized for low-power consumption while still running high-level operating systems such as Linux, Android, and Windows Embedded Compact. The i.MX50 family belongs to NXP's multimedia-focused product tree: applications processor -> system-on-chip -> semiconductor, positioning it for cost-sensitive human-machine-interface products rather than the higher-end i.MX6 family.
Key features include a single Cortex-A8 core at 800 MHz with Neon media extensions, an integrated display controller supporting TFT LCD panels up to XGA resolution, an image-signal-processing unit (IPU) for camera input, dual-role USB 2.0 OTG with integrated PHY, and a broad set of connectivity options including 10/100 Ethernet MAC, CAN, UART, SPI, I2C, and SSI/I2S audio interfaces. Power-management features include dynamic voltage-frequency scaling and per-domain clock gating, enabling deep sleep states well below 1 mW for always-on industrial equipment.
The MCIMX503EVM8B uses a 32-bit wide DDR2/LPDDR memory controller and integrates hardware video accelerators for H.264 BP decode and MPEG-4 encode/decode up to D1 resolution. Security is supported through a hardware random-number generator, secure boot ROM, and on-chip fuses for OEM configuration. The 0.8 mm pitch 400-LFBGA package exposes the full peripheral set while keeping PCB escape routes manageable for 4-layer stack-ups.
Typical applications include industrial human-machine-interface (HMI) panels, point-of-sale terminals, portable medical monitors, e-reader devices, and low-cost smart-home control panels. The wide operating temperature and integrated display/camera pipeline make it a strong fit when designers need a single-chip solution that drives both an LCD and a camera sensor without external bridge ICs.
When designing with this MPU, ensure that the 400-LFBGA land pattern uses NSMD pads with via-in-pad for the inner balls and that the DDR2 routing obeys matched-length rules for the byte-lane strobes. The PMIC companion (e.g., PF0100) must sequence the core, memory, and I/O rails in the order described in the reference manual or the boot ROM will hold the part in reset.
This page consolidates distributor pricing, drop-in alternatives, and PCB-layout guidance not found in a single place in the manufacturer datasheet, helping engineers shortlist the MPU and proceed to layout with fewer revision spins.
直接替换替代料： MCIMX503EVM8B ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
MCIMX502CVM8B
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCIMX507CVM8B
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCIMX503CVM8B
✅ 直接替换📋 参考替代料（不在目录中）
MCIMX502CVM8BR2
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCIMX507CVM8BR2
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCIMX503EVM8B 最大额定值与电气特性
| Core Architecture | ARM Cortex-A8 (32-bit) |
| Number of Cores | 1 |
| Maximum CPU Clock | 800 MHz |
| Series | i.MX50 |
| 封装 | 400-LFBGA (MAPBGA) 17x17 mm, 0.8 mm pitch |
| Memory Interface | DDR2 / LPDDR, 32-bit data width |
| Display Controller | Integrated, up to XGA TFT |
| Camera Interface (IPU) | Yes, image processing unit |
| USB | USB 2.0 OTG with integrated PHY |
| Ethernet | 10/100 MAC |
| Audio | SSI / I2S |
| Video Acceleration | H.264 BP decode, MPEG-4 encode/decode |
| Security | Secure boot ROM, HW RNG, on-chip fuses |
| MSL 等级 | 3 (per BGA reflow profile) |
MCIMX503EVM8B 400-lfbga (mapbga) 17x17 mm, 0.8 mm pitch 引脚配置指南
MCIMX503EVM8B（400-lfbga (mapbga) 17x17 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： MCIMX503EVM8B.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCIMX503EVM8B 适用于 6 应用s: Industrial HMI Control Panels, Point-of-Sale (POS) Terminals, Portable Medical Monitoring Devices, E-Reader and E-Paper Devices, Smart Home Control Panels, Industrial Barcode / Scanner Terminals.
Industrial HMI Control Panels
The MCIMX503EVM8B's 800 MHz Cortex-A8 with Neon media extensions drives a TFT LCD up to XGA through the integrated display controller while simultaneously capturing operator input from a touch controller over I2C. The 400-LFBGA package keeps the PCB compact for 7-10 inch panel designs, and the integrated DDR2/LPDDR controller removes the need for an external memory chip, reducing BOM cost. For industrial HMI, designers benefit from the part's ability to run a Linux BSP with Qt or WebKit HMI frameworks on a single chip, eliminating external graphics bridges.
推荐
Point-of-Sale (POS) Terminals
POS terminals require a fast, reliable MPU to drive the cashier display, accept magnetic-stripe or NFC reader input, and run the transaction stack over Ethernet. The MCIMX503EVM8B delivers this in one package by integrating the Cortex-A8 core, the 10/100 Ethernet MAC, USB 2.0 OTG for peripheral devices, and the SSI/I2S audio interface for the beeper/audio prompt. Power-management features including DVFS keep idle-state consumption under 1 W, which matters for always-on retail counters.
推荐
Portable Medical Monitoring Devices
Portable medical monitors need a low-power MPU that can drive a small TFT display, sample sensor data via SPI/I2C, and store records on removable media. The MCIMX503EVM8B fits with its 800 MHz Cortex-A8, integrated image processing unit for sensor fusion, and USB 2.0 OTG for data export. The hardware RNG and secure boot ROM help meet medical device cybersecurity guidance by preventing unauthorized firmware from running on the device.
推荐
E-Reader and E-Paper Devices
E-readers benefit from the MCIMX503EVM8B's display controller, which can drive e-paper panels via the parallel RGB interface, and its low deep-sleep current that preserves battery life across weeks of standby. The Cortex-A8 with Neon accelerates page-refresh rendering at 800 MHz, while the integrated DDR2 controller supports the burst-refresh pattern e-paper requires. This combination removes external graphics ASICs and shrinks the e-reader BOM.
推荐
Smart Home Control Panels
Smart-home wall panels run a Linux touch UI, drive a TFT LCD, listen for voice commands via I2S microphones, and connect to Wi-Fi or Ethernet backhaul. The MCIMX503EVM8B provides the integrated display controller, IPU for camera-based gesture sensing, 10/100 Ethernet MAC, and SSI/I2S audio interface in one chip. With the on-chip secure boot ROM, the panel can authenticate cloud connections without external crypto hardware.
推荐
Industrial Barcode / Scanner Terminals
Industrial handheld scanners need a robust MPU that can decode 1D/2D barcodes from a camera input and drive a small operator display. The MCIMX503EVM8B's image processing unit captures camera frames, the Cortex-A8 with Neon accelerates the decode algorithm, and the integrated display controller drives the operator's TFT LCD. The 400-LFBGA package withstands industrial reflow profiles and supports extended-temperature screening for warehouse environments.
推荐
推荐产品汇总
工程参考数据： MCIMX503EVM8B ——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 | MCIMX502CVM8B | MCIMX507CVM8B | MCIMX503CVM8B | MCIMX502CVM8BR2 | MCIMX507CVM8BR2 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 400-LFBGA (MAPBGA) 17x17 mm | 400-LFBGA (MAPBGA) 17x17 mm - same | 400-LFBGA (MAPBGA) 17x17 mm - same | 400-LFBGA (MAPBGA) 17x17 mm - same | 400-LFBGA (MAPBGA) 17x17 mm - same | 400-LFBGA (MAPBGA) 17x17 mm - same |
| CPU Core | ARM Cortex-A8 (32-bit) | ARM Cortex-A8 | ARM Cortex-A8 | ARM Cortex-A8 | ARM Cortex-A8 | ARM Cortex-A8 |
| Maximum CPU Clock | 800 MHz | 200 MHz (-75%) | 800 MHz (same) | 800 MHz (same) | 200 MHz (-75%) | 800 MHz (same) |
| Series | i.MX50 | i.MX50 | i.MX50 | i.MX50 | i.MX50 | i.MX50 |
| Memory Interface | DDR2 / LPDDR | DDR2 / LPDDR | DDR2 / LPDDR | DDR2 / LPDDR | DDR2 / LPDDR | DDR2 / LPDDR |
| Integrated Display Controller | Yes (TFT up to XGA) | Yes | Yes | Yes | Yes | Yes |
| USB Interface | USB 2.0 OTG with PHY | USB 2.0 OTG with PHY | USB 2.0 OTG with PHY | USB 2.0 OTG with PHY | USB 2.0 OTG with PHY | USB 2.0 OTG with PHY |
关键差异点
- 800 MHz Cortex-A8 with Neon on a single chip （对比 MCIMX502CVM8B)
- Integrated display + camera pipeline without external bridge （对比 MCIMX257DJM4A)
- On-chip hardware RNG and secure boot ROM （对比 MCIMX6X2CVN08AC)
设计说明
Use NSMD pads with via-in-pad plating for the inner rows of the 400-LFBGA land pattern; this preserves breakout routability on 4-layer stack-ups and reduces inductance on the core supply balls. Reference the NXP i.MX50 hardware design guide for exact pad diameter, soldermask opening, and via dimensions.
Pair the MCIMX503EVM8B with the NXP PF0100 PMIC and verify the power-up sequence matches the i.MX50 boot ROM requirements. Out-of-order rail sequencing will hold the part in reset. Decouple each VDD_CORE and VDD_SOC ball pair with a 100 nF X7R placed within 2 mm of the package.
DDR2/LPDDR traces must be length-matched within the byte-lane skew limits specified in the i.MX50 reference manual; failure here causes intermittent boot failures that are hard to debug post-layout. Keep DDR clocks referenced to a clean ground and avoid routing across plane splits.
At 800 MHz with both Cortex-A8 and IPU active, the typical dissipation stays below 2 W, but the small 17x17 mm LFBGA has a modest theta_JA around 25 C/W. For enclosed industrial enclosures with no airflow, add a thermal pad under the package center to keep the junction below 105 C.
合规信息
RoHS and REACH compliance stated on the NXP product page; the package is lead-free LFBGA. AEC-Q100 is not applicable for the standard EVM8B suffix; for automotive customers NXP offers -Q1 suffixed variants.
