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NXP Semiconductors LPC1769FBD100/P1K
- Part No.:
- LPC1769FBD100/P1K
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
LPC1769FBD100/P1K.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:331
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Product details
Overview
LPC1769FBD100 from NXP Semiconductors is a 32-bit ARM Cortex-M3 microcontroller operating at up to 120 MHz, featuring 512 kB flash, 64 kB SRAM, dual CAN 2.0B controllers, USB 2.0 Host/Device/OTG with on-chip PHY, and Ethernet MAC with RMII interface - deployed in industrial networking gateways requiring real-time protocol bridging and deterministic I/O control.
For engineers reviewing the LPC1769FBD100 datasheet, LPC1769FBD100 pinout, LPC1769FBD100 application, or LPC1769FBD100 equivalent, key selection criteria include its 120 MHz CPU frequency, 70 GPIO pins with configurable open-drain mode, integrated 12-bit ADC (200 kHz sampling), 10-bit DAC, and full peripheral set supporting concurrent USB/Ethernet/CAN communication stacks.
Technical Context
The LPC1769FBD100 implements a Harvard-architecture ARM Cortex-M3 core with 3-stage pipeline, internal prefetch unit, and Memory Protection Unit (MPU) supporting eight memory regions. Its multilayer AHB matrix enables zero-arbitration access for CPU, GPDMA, Ethernet MAC, and USB controller.
Peripheral integration includes a dedicated DMA controller for SSP, I2S, UART, ADC, and DAC; split APB bus architecture minimizing CPU-DMA stalls; and clock generation with main oscillator (1–25 MHz), 4 MHz ±1% IRC, dual PLLs (CPU and USB), and RTC oscillator - all managed by an integrated Power Management Unit supporting Sleep, Deep-sleep, Power-down, and Deep power-down modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 with 3-stage pipeline, Harvard architecture, and MPU supporting eight memory regions - enables deterministic real-time execution and memory isolation for safety-critical firmware. |
| Max Clock Frequency | 120 MHz - delivers 1.25 DMIPS/MHz performance for high-throughput protocol processing in industrial gateways. |
| Memory | 512 kB on-chip flash (zero-wait-state at 120 MHz), 32 kB AHB SRAM0 + 16 kB AHB SRAM1 + 16 kB AHB SRAM2 = 64 kB total - supports simultaneous Ethernet packet buffering, USB descriptor handling, and application code execution. |
| Connectivity Peripherals | Ethernet MAC (RMII), USB 2.0 Full-Speed Host/Device/OTG (with on-chip PHY), 2× CAN 2.0B, 4× UART (with fractional baud rate), 3× I²C (1× Fast-mode plus), 2× SSP, SPI, I²S - enables multi-protocol edge node operation without external transceivers. |
| Analog & Timing | 8-channel 12-bit ADC (200 kHz max sample rate), 1× 10-bit DAC with dedicated timer, 4× general-purpose timers (8 capture/10 compare), motor control PWM, quadrature encoder interface, RTC with 20-byte battery-backed registers - supports closed-loop motor control and sensor fusion. |
| I/O & Power | 70 GPIO pins (LQFP100 package) with configurable pull-up/down and open-drain mode; single 3.3 V supply (2.4–3.6 V); brownout detect with separate interrupt/reset thresholds - simplifies board-level power design and fieldbus interface implementation. |
Pinout & Package
Package: LQFP100 (14 mm × 14 mm × 1.4 mm, SOT407-1). Pinout validated per NXP datasheet Rev. 9.10 (2020), Table 5 and Fig 2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[27]/SDA0/USB_SDA | I²C0 data / USB OTG transceiver SDA | Open-drain I²C-bus compliant signal; shared with USB OTG I²C interface for device enumeration - requires external 2.2 kΩ pull-up for I²C operation. |
| P0[28]/SCL0/USB_SCL | I²C0 clock / USB OTG transceiver SCL | Open-drain I²C-bus compliant clock; synchronizes USB OTG transceiver configuration - must be driven only by master during enumeration. |
| P0[29]/USB_D+ | USB differential data positive | Full-speed USB 2.0 bidirectional line; routed with controlled 90 Ω differential impedance - requires ESD protection per IEC 61000-4-2 Level 4. |
| P0[30]/USB_D− | USB differential data negative | Full-speed USB 2.0 bidirectional line; paired with P0[29] for noise rejection - PCB layout must maintain <5 mil length mismatch. |
| P1[0]/ENET_TXD0 | Ethernet transmit data bit 0 | RMII interface signal; operates at 50 MHz DDR timing - requires matched trace length to P1[1], P1[4], and P1[15] for setup/hold compliance. |
Key Features
| Feature | Design Value |
|---|---|
| ARM Cortex-M3 with MPU | Enables memory partitioning across RTOS tasks - prevents stack overflow corruption of Ethernet buffers or USB descriptors in multitasking firmware. |
| Dual CAN 2.0B controllers | Supports concurrent CANopen and J1939 stack operation on separate buses - eliminates need for external CAN bridge ICs in vehicle diagnostics tools. |
| Integrated USB PHY | Removes external transceiver BOM cost and layout complexity - allows direct connection to USB connectors with only 15 pF series capacitance per line. |
| 70 GPIO with open-drain mode | Permits direct interfacing to 5 V tolerant industrial sensors and RS-485 transceivers without level shifters - reduces component count in factory automation I/O modules. |
| Real-Time Clock with backup domain | Retains timekeeping and 20 bytes of nonvolatile data during main power loss - enables timestamped event logging in energy metering applications without supercapacitor support. |
Applications
| Industrial Networking Gateway | Motor Control Drive |
|---|---|
Use Scenario: Protocol translation between Modbus TCP (Ethernet), CANopen (fieldbus), and USB CDC (configuration port) in compact PLC edge nodes. IC Role / Device Role / Timing Role: Central real-time scheduler managing concurrent Ethernet frame parsing, CAN message arbitration, and USB descriptor enumeration with sub-100 µs jitter. Use Value: Eliminates external protocol bridge ICs; 120 MHz CPU ensures deterministic response to 1 ms CAN cyclic messages while servicing 100 Mbps Ethernet traffic. |
Use Scenario: Closed-loop three-phase BLDC motor control with Hall-effect feedback, current sensing, and thermal monitoring in HVAC compressors. IC Role / Device Role / Timing Role: Motor control PWM generator with dead-time insertion, ADC-triggered current sampling, and quadrature encoder position tracking - synchronized via hardware match events. Use Value: Integrated motor control PWM block and 12-bit ADC enable 0.5% torque ripple control without FPGA co-processing; DAC outputs analog reference for analog front-end calibration. |
| Energy Metering System | Alarm & Security Panel |
Use Scenario: DIN-rail mounted smart meter aggregating voltage/current measurements, tariff calculation, tamper detection, and remote reporting via Ethernet or USB. IC Role / Device Role / Timing Role: High-precision timing source (RTC with 32.768 kHz crystal) and secure boot loader executing encrypted firmware updates over USB. Use Value: Battery-backed RTC maintains accurate billing timestamps during mains failure; Code Read Protection (CRP) prevents unauthorized firmware extraction during field service. |
Use Scenario: Multi-zone intrusion detection panel with wired sensor inputs, GSM modem interface, siren driver, and keypad scanning - deployed in commercial buildings. IC Role / Device Role / Timing Role: General-purpose I/O manager with edge-sensitive interrupts on Port 0/2 pins, watchdog timer supervision, and UART0 with RS-485 support for daisy-chained zone expanders. Use Value: 70 GPIO pins allow direct connection of 32 zones + 8 auxiliary inputs; UART0's RS-485 enable output eliminates need for external direction-control logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ARM Cortex-M3 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC1768FBD100 | 100 MHz CPU (vs. 120 MHz), identical peripherals and pinout - no flash/SRAM difference. | Lower maximum instruction throughput; suitable where 120 MHz headroom is unnecessary for target protocol stack load. | Select when application firmware fits within 100 MHz timing margins and cost sensitivity outweighs peak performance. |
| STM32F207ZGT6 | 120 MHz ARM Cortex-M3, 1 MB flash, 128 kB RAM, Ethernet MAC + USB OTG, but no CAN - different pinout and memory map. | Lacks dual CAN; requires external PHY for MII/RMII; higher flash density benefits complex web server stacks. | Choose for Ethernet-centric designs needing larger code space and no CAN bus integration - not drop-in replaceable. |
Compared with LPC1768FBD100, the LPC1769FBD100 delivers 20% higher CPU throughput for time-critical ISR handling; versus STM32F207ZGT6, it provides native dual CAN support and pin-compatible migration path from legacy LPC236x designs - critical for industrial fieldbus retrofit projects.
Availability
LPC1769FBD100 is available at Aetrix Electronics and suitable for industrial networking gateways, motor control drives, energy metering systems, and alarm/security panels requiring stable component supply across extended product lifecycles.
Supply support for LPC1769FBD100 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The LPC176x series was designed as a high-integration, low-power ARM Cortex-M3 MCU family targeting industrial control, motor drives, and protocol gateway applications - emphasizing peripheral richness, real-time determinism, and long-term supply assurance.
FAQ
What is the maximum operating frequency of the LPC1769FBD100?
The LPC1769FBD100 operates at a maximum CPU frequency of 120 MHz, enabled by its ARM Cortex-M3 core and enhanced flash accelerator that delivers zero wait-state performance at full speed. This frequency is achieved using the on-chip PLL driven by either the main crystal oscillator (1–25 MHz), internal 4 MHz RC oscillator, or RTC oscillator - making the LPC1769FBD100 suitable for demanding real-time control tasks where deterministic timing is critical.
Does the LPC1769FBD100 include an integrated USB PHY?
Yes, the LPC1769FBD100 integrates a full-speed USB 2.0 PHY supporting Device, Host, and OTG functions - eliminating the need for an external transceiver. The USB interface uses dedicated pins P0[27]/P0[28] (I²C for OTG negotiation) and P0[29]/P0[30] (D+/D−), and supports on-chip endpoint buffers and DMA-accelerated transfers. This integration reduces BOM cost and PCB area in portable diagnostic tools and configuration interfaces relying on LPC1769FBD100.
How many CAN controllers does the LPC1769FBD100 support?
The LPC1769FBD100 includes two independent CAN 2.0B controllers, each with full message object handling and acceptance filtering. These controllers are accessible via Port 0 and Port 1 pins (e.g., P0[0]/P0[1] for CAN1, P0[4]/P0[5] for CAN2) and support bit rates up to 1 Mbps. This dual-CAN capability enables the LPC1769FBD100 to serve as a protocol bridge in automotive test equipment or industrial machinery with segregated control and diagnostics buses.
What package type is used for the LPC1769FBD100?
The LPC1769FBD100 is supplied in an LQFP100 package (plastic low-profile quad flat package, 100 leads, 14 mm × 14 mm × 1.4 mm body, SOT407-1). This package provides 70 GPIO pins plus power, ground, clock, reset, and debug signals - optimized for manual assembly, rework, and thermal management in industrial control boards. It is pin-compatible with the LPC236x Arm7 series, enabling legacy design upgrades without PCB redesign.
Does the LPC1769FBD100 support Ethernet connectivity?
Yes, the LPC1769FBD100 integrates an Ethernet MAC with RMII interface, supporting 10/100 Mbps operation. It requires an external PHY (e.g., LAN8720A) and uses dedicated pins including P1[0]/P1[1]/P1[4]/P1[8]–P1[17] for TXD0/TXD1/TX_EN/CRS/RXD0/RXD1/MDC/MDIO. The MAC includes a dedicated DMA controller and supports IEEE 802.3-compliant frame handling - making the LPC1769FBD100 ideal for embedded web servers and industrial Ethernet I/O modules.
LPC1769FBD100/P1K Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- LPC17xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit
- Speed:
- 120MHz
- Connectivity:
- CANbus, Ethernet, I2C, IrDA, Microwire, SPI, SSI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, Motor Control PWM, POR, PWM, WDT
- Number of I/O:
- 70
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 3.6V
- Data Converters:
- A/D 8x12b SAR; D/A 1x10b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC1769FBD100/P1K FAQ
1.How can I place an order for LPC1769FBD100/P1K through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC1769FBD100/P1K 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 LPC1769FBD100/P1K reliable?
The price and inventory of LPC1769FBD100/P1K are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC1769FBD100/P1K is usually 5 days.
3.What payment methods are accepted for LPC1769FBD100/P1K?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC1769FBD100/P1K transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC1769FBD100/P1K?
LPC1769FBD100/P1K orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC1769FBD100/P1K 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 LPC1769FBD100/P1K?
For technical support, including LPC1769FBD100/P1K datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC1769FBD100/P1K requirements.
6.How does Aetrix verify that LPC1769FBD100/P1K is sourced from the original manufacturer or authorized distributors?
All LPC1769FBD100/P1K 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 LPC1769FBD100/P1K meets industry standards.
7.What is the process for return or replacement of LPC1769FBD100/P1K?
All LPC1769FBD100/P1K units undergo pre-shipment inspection (PSI). If there is an issue with LPC1769FBD100/P1K, 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 LPC1769FBD100/P1K part is unused and in its original packaging.
Return procedure for LPC1769FBD100/P1K:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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