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NXP Semiconductors LH7A400N0G000B5,55
- Part No.:
- LH7A400N0G000B5,55
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 256-BGA
- Datasheet:
-
LH7A400N0G000B5,55.pdf
- Description:
- IC MCU 32BIT ROMLESS 256BGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,929
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Product details
Overview
LH7A400N0G000B5 from NXP Semiconductors is a 32-bit ARM922T-based system-on-chip with 200 MHz core clock, 100 MHz external bus clock, 80 kB on-chip SRAM, integrated LCD controller supporting up to 1024×768 resolution, and USB 2.0 Full Speed device interface - deployed in industrial handheld terminals requiring real-time display, serial connectivity, and compact embedded computing.
For engineers reviewing the LH7A400N0G000B5 datasheet, LH7A400N0G000B5 pinout, LH7A400N0G000B5 application, or LH7A400N0G000B5 equivalent, key selection criteria include its dual-oscillator support (14.7456 MHz + 32.768 kHz), 256-ball BGA/LFBGA package compatibility, 1.8 V core / 3.3 V I/O voltage domains, and integrated PCMCIA/CompactFlash host controller for legacy peripheral expansion.
Technical Context
The LH7A400N0G000B5 implements an ARM922T RISC core with MMU and 16 kB unified cache (8 kB instruction + 8 kB data), enabling Windows CE™ execution. Its external bus interface supports asynchronous SRAM/ROM/Flash and synchronous SDRAM/Flash at up to 100 MHz, with dedicated PCMCIA/CF and MultiMediaCard™ controllers.
Integrated peripherals include a programmable LCD controller (STN/TFT/HR-TFT), three UARTs with IrDA support, AC97 audio codec interface, smart card (ISO7816), RTC, and two DC-DC converters - all managed via a centralized interrupt controller and 10-channel DMA engine synchronized across AHB/APB buses.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | ARM922T 32-bit RISC processor with MMU and 16 kB cache - enables full OS support including Windows CE™ |
| Core Clock Speed | 200 MHz (with 195 MHz bus clock) - delivers deterministic real-time performance for UI and communication stacks |
| On-Chip Memory | 80 kB static RAM - eliminates need for external SRAM in boot-critical firmware and display frame buffers |
| Display Support | Programmable LCD controller up to 1024×768 resolution with 64 k-color output - directly drives TFT panels without external timing logic |
| USB Interface | USB 2.0 Full Speed device port (12 Mbps) - enables direct connection to host PCs for firmware updates and data transfer |
| Operating Voltage | 1.8 V core / 3.3 V I/O with 5 V-tolerant digital inputs (except oscillator pins) - simplifies power design and interfaces with legacy 5 V peripherals |
| Temperature Range | −40°C to +85°C - qualified for industrial and extended-temperature embedded applications |
Pinout & Package
Package: 256-ball BGA (SOT1018-1) and 256-ball LFBGA (SOT1020-1), both RoHS-compliant plastic ball grid array packages with 1.0 mm ball pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | TDI | JTAG boundary scan input - required for debug and production test access |
| T15 | WIDTH1 | External memory width configuration pin - selects boot device size with WIDTH0 and MEDCHG |
| R13 | XTALIN | 14.7456 MHz crystal oscillator input - primary system clock source for core and peripherals |
| P15 | XTAL32OUT | 32.768 kHz RTC oscillator output - drives real-time clock circuitry with low-power stability |
| T15–T16 | USBDP / USBDN | USB 2.0 Full Speed differential pair - requires 15 kΩ pull-down resistors when unused per datasheet note 10 |
| K1–K2 | PA0/LCDVD16 / PA1/LCDVD17 | GPIO Port A pins multiplexed as LCD data bits - enable direct RGB or STN panel interfacing |
Key Features
| Feature | Design Value |
|---|---|
| Integrated LCD Controller | Supports STN, Color STN, AD-TFT, HR-TFT, and TFT panels up to 1024×768 - eliminates external video timing IC and reduces BOM cost |
| PCMCIA/CompactFlash Host | Dual-slot capable with nPCOE/nPCWE/nPCIOW control signals - enables legacy peripheral expansion without bridge chips |
| Smart Card Interface | ISO7816-compliant with SCIO/SCCLK/SCRST pins and SCVCCEN control - supports secure authentication modules in payment terminals |
| Dual DC-DC Converters | Configurable PWM0/PWM1 outputs with nPWME0/nPWME1 enables efficient 1.8 V core and 3.3 V I/O rail generation |
| Multi-Protocol Serial Ports | SSP supports SPI, SSI, and MICROWIRE modes; three UARTs include IrDA 115 kbit/s - consolidates wired/wireless comms into single SoC |
Applications
| Industrial Handheld Terminal | Medical Point-of-Care Display |
|---|---|
Use Scenario: Rugged portable device for inventory management with barcode scanning, touchscreen UI, and wireless data sync. IC Role / Device Role / Timing Role: Central application processor executing OS, driving high-resolution color TFT display, managing USB firmware updates, and hosting CompactFlash for data logging. Use Value: Integrated LCD controller and PCMCIA interface reduce PCB layer count and eliminate discrete timing and interface ICs. |
Use Scenario: Battery-powered bedside monitor displaying vital signs with graphical waveforms and alarm indicators. IC Role / Device Role / Timing Role: Real-time display controller with RTC, low-power standby mode (42 µA), and UART/IrDA for patient data export. Use Value: 1.8 V core voltage and dynamic power states extend battery life while maintaining responsive UI rendering. |
| Secure Payment Terminal | Legacy Industrial HMI |
Use Scenario: EMV-compliant credit card reader with PIN pad, contactless interface, and encrypted transaction processing. IC Role / Device Role / Timing Role: Secure application host with ISO7816 smart card interface, cryptographic acceleration via ARM9 MMU, and tamper-resistant GPIO control. Use Value: Dedicated SCIO/SCCLK/SCRST pins and SCVCCEN enable direct smart card power sequencing and protocol compliance. |
Use Scenario: Retrofit HMI for factory floor equipment using existing PCMCIA-based data acquisition cards. IC Role / Device Role / Timing Role: PCMCIA host controller with nPCOE/nPCWE/nPCIOW and dual-card ready signals (PCRDY1/PCRDY2). Use Value: Native PCMCIA support avoids FPGA or bridge IC, preserving legacy hardware investment and reducing redesign risk. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded application processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LH7A400N0F000B5 | Same 200 MHz core/100 MHz bus, identical feature set, but packaged in LFBGA256 (SOT1020-1) | Requires PCB layout change due to different land pattern and thermal pad structure | Select when LFBGA mechanical profile or thermal performance is prioritized over BGA footprint reuse |
| LH7A400N0F076B5 | Higher 250 MHz core/125 MHz bus, increased active current (250 mA vs. 125 mA), same package options | Delivers higher throughput for compute-intensive UI or multi-threaded tasks, at cost of greater power dissipation | Select only if application demands >200 MHz sustained CPU load and thermal margin permits |
Compared with LH7A400N0F000B5, the LH7A400N0G000B5 offers identical electrical and functional behavior but uses BGA256 (SOT1018-1), enabling drop-in replacement where board space allows; versus LH7A400N0F076B5, it trades peak performance for lower power consumption and thermal headroom in constrained enclosures.
Availability
LH7A400N0G000B5 is available at Aetrix Electronics and suitable for industrial handheld terminals, medical point-of-care displays, secure payment terminals, and legacy industrial HMIs requiring stable component supply across extended product lifecycles.
Supply support for LH7A400N0G000B5 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
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in ARM-based microcontrollers and application processors.
The LH7A400 series was designed as a highly integrated ARM9-based SoC targeting cost-sensitive, display-rich embedded systems - emphasizing LCD control, peripheral host interfaces (PCMCIA/CF/MMC), and low-power operation for portable industrial devices.
FAQ
What is the core architecture and clock speed of the LH7A400N0G000B5?
The LH7A400N0G000B5 features an ARM922T 32-bit RISC core with MMU and operates at 200 MHz core clock and 195 MHz bus clock. It includes 8 kB instruction and 8 kB data cache, enabling Windows CE™ execution and deterministic real-time performance for embedded UI and communication stacks.
Which package types are supported by the LH7A400N0G000B5?
The LH7A400N0G000B5 is offered exclusively in the 256-ball BGA package (SOT1018-1). Unlike other variants such as LH7A400N0F000B5, it does not use the LFBGA256 (SOT1020-1) package - confirming its BGA256 mechanical and thermal profile per Table 2 of the datasheet.
Does the LH7A400N0G000B5 support USB 2.0 Full Speed functionality?
Yes, the LH7A400N0G000B5 integrates a USB 2.0 Full Speed device interface (12 Mbps) with dedicated USBDP and USBDN pins (T15/T16). The interface supports standard USB device enumeration and is commonly used for firmware updates and host-side data transfer in embedded terminals.
What display technologies does the integrated LCD controller support?
The LH7A400N0G000B5's programmable LCD controller supports STN, Color STN, AD-TFT, HR-TFT, and standard TFT panels up to 1024×768 resolution with 64 k-color output. It provides dedicated signals including LCDDCLK, LCDENAB, LCDFP, and LCDLP for precise timing control.
How does the LH7A400N0G000B5 manage power for industrial temperature operation?
The LH7A400N0G000B5 is rated for −40°C to +85°C operation and features multiple low-power states: Run (125 mA typical), Halt (25 mA), and Standby (42 µA). Its dual-oscillator system (14.7456 MHz + 32.768 kHz) and programmable PLL allow dynamic clock gating and voltage scaling for thermal and battery-constrained designs.
LH7A400N0G000B5,55 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 256-BGA
- Series:
- BlueStreak ; LH7A
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM9®
- Core Size:
- 32-Bit Single-Core
- Speed:
- 200MHz
- Connectivity:
- EBI/EMI, IrDA, Microwire, Memory Card, SmartCard, SPI, SSI, SSP, UART/USART, USB
- Peripherals:
- AC'97, DMA, LCD, POR, PWM, WDT
- Number of I/O:
- 60
- Program Memory Size:
- -
- Program Memory Type:
- ROMless
- EEPROM Size:
- -
- RAM Size:
- 80K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- -
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LH7A400N0G000B5,55 FAQ
1.How can I place an order for LH7A400N0G000B5,55 through Aetrix?
Please submit a Request for Quotation (RFQ) for LH7A400N0G000B5,55 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LH7A400N0G000B5,55 reliable?
The price and inventory of LH7A400N0G000B5,55 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LH7A400N0G000B5,55 is usually 5 days.
3.What payment methods are accepted for LH7A400N0G000B5,55?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LH7A400N0G000B5,55 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LH7A400N0G000B5,55?
LH7A400N0G000B5,55 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LH7A400N0G000B5,55 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LH7A400N0G000B5,55?
For technical support, including LH7A400N0G000B5,55 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LH7A400N0G000B5,55 requirements.
6.How does Aetrix verify that LH7A400N0G000B5,55 is sourced from the original manufacturer or authorized distributors?
All LH7A400N0G000B5,55 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LH7A400N0G000B5,55 meets industry standards.
7.What is the process for return or replacement of LH7A400N0G000B5,55?
All LH7A400N0G000B5,55 units undergo pre-shipment inspection (PSI). If there is an issue with LH7A400N0G000B5,55, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LH7A400N0G000B5,55 part is unused and in its original packaging.
Return procedure for LH7A400N0G000B5,55:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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