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NXP Semiconductors LPC11E68JBD100E
- Part No.:
- LPC11E68JBD100E
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
LPC11E68JBD100E.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,060
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Product details
Overview
LPC11E68JBD100E from NXP Semiconductors is a 32-bit ARM Cortex-M0+ microcontroller operating at up to 50 MHz, featuring 256 KB flash, 36 KB SRAM, and 4 KB EEPROM. It integrates a 12-bit ADC with 12 input channels, five USARTs (including USART4), two I²C interfaces (one Fast-mode Plus), two SSP controllers, and an SCTimer/PWM subsystem supporting up to 19 PWM outputs. It targets embedded control in automotive-grade industrial systems requiring high peripheral density and low-power operation.
For engineers reviewing the LPC11E68JBD100E datasheet, LPC11E68JBD100E pinout, LPC11E68JBD100E application, or LPC11E68JBD100E equivalent, key selection criteria include its LQFP100 package with 80 GPIOs, RTC with VBAT support, windowed watchdog timer, and dual 32-bit/16-bit timer flexibility for motor control and metering applications.
Technical Context
The LPC11E68JBD100E implements the ARM Cortex-M0+ core with a two-stage pipeline, single-cycle I/O access, and integrated NVIC for deterministic interrupt handling. Its AHB multilayer matrix enables concurrent bus access between CPU, DMA, and peripherals, while the ROM API provides validated drivers for USART, I²C, DMA, and Flash IAP/ISP.
Peripheral architecture includes a programmable SCTimer/PWM engine with state-configurable logic, a dedicated CRC engine, and a high-speed GPIO interface supporting glitch filtering and open-drain configuration. The analog subsystem features dual conversion sequences on the 12-bit ADC with up to 2 Msamples/s sampling rate and internal temperature sensor.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M0+, r0p1 revision, 50 MHz max - enables deterministic real-time control with low gate count and energy efficiency. |
| Memory | 256 KB flash (page-erasable), 36 KB SRAM (32 KB main + two 2 KB blocks), 4 KB EEPROM - supports firmware updates, data logging, and parameter storage without external memory. |
| ADC | 12-bit SAR ADC with 12 channels, 2 Msamples/s, dual independent sequences - suitable for simultaneous voltage/current sensing in power electronics. |
| Timers | SCTimer/PWM (2 units), four 32-bit/16-bit timers, WWDT - delivers flexible PWM generation, capture-based timing, and safety-critical watchdog supervision. |
| Serial Interfaces | 5 USARTs (4 with shared fractional baud generator, 1 with RS-485 mode), 2 I²C (1 Fast-mode Plus), 2 SSP - enables multi-protocol communication in industrial gateways and sensor hubs. |
| GPIO | 80 pins with configurable pull-up/down, open-drain, glitch filter, and digital filter - supports robust interfacing with switches, LEDs, and noisy industrial sensors. |
| Power & Temp | 2.4–3.6 V supply, -40 °C to +105 °C operating range, separate VBAT for RTC - ensures reliability in automotive and industrial environments. |
Pinout & Package
LQFP100 package (14 × 14 × 1.4 mm, SOT407-1), 100-pin quad flat lead frame with exposed thermal pad; pin 1 index marked by corner notch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RTCXIN / RTCXOUT | 32 kHz crystal oscillator inputs | Enable battery-backed RTC operation with precision timekeeping independent of main power domain. |
| VDDA / VSSA | Analog power supply and ground | Isolate ADC reference from digital noise, ensuring stable 12-bit conversion accuracy. |
| VBAT | RTC backup supply | Retains RTC registers and calendar during main power loss; requires external coin cell or capacitor. |
| PIO0_0 (RESET) | Reset input / debug select | Active-low reset with 20 ns glitch filter; HIGH selects SWD debug mode, LOW enables JTAG boundary scan. |
| SWDIO / SWCLK | Serial Wire Debug interface | Two-pin debug interface supporting full programming, tracing (MTB), and real-time register inspection. |
| U0_TXD / U0_RXD | USART0 transmit/receive | Primary UART for bootloader (ISP) and host communication; supports synchronous mode and RS-485 direction control. |
| ADC_0–ADC_11 | Analog input channels | Dedicated pins mapped to internal ADC multiplexer; support external trigger sources and hardware sequencing. |
| SCT0_OUT0–SCT0_OUT3 | SCTimer0 PWM outputs | Configurable PWM outputs with independent time bases - used for motor phase control or LED dimming with event-driven state transitions. |
Key Features
| Feature | Design Value |
|---|---|
| ROM-based API | Pre-validated drivers for USART, I²C, DMA, Flash IAP/ISP, and integer division - reduces firmware development time and validation effort. |
| Micro Trace Buffer (MTB) | Hardware instruction trace buffer enabling non-intrusive code flow analysis and debugging without external probes. |
| Pin interrupt & pattern match engine | Eight GPIO pins selectable for edge-triggered interrupts or multi-pin pattern detection - ideal for keypad scanning or protocol-level wake events. |
| State-Configurable Timers (SCT) | Two independent SCTimer/PWM modules with event-driven state machines - replace complex software PWM and timing logic in motor control and lighting applications. |
| Temperature sensor | On-die sensor calibrated across -40 °C to +105 °C - enables system thermal monitoring without external components. |
| Power management unit (PMU) | Four low-power modes (Sleep, Deep-sleep, Power-down, Deep power-down) with pin/USART wake capability - extends battery life in portable and remote devices. |
Applications
| Three-phase e-meter | Medical monitor |
|---|---|
Use Scenario: Real-time measurement of voltage, current, and power factor across three AC phases with harmonic analysis. IC Role / Device Role / Timing Role: Central controller executing metrology algorithms, managing isolation interfaces, and communicating via RS-485/UART to concentrators. Use Value: 12-bit ADC with 12-channel simultaneous sampling and dual conversion sequences enables synchronized acquisition across phases without external muxing. | Use Scenario: Portable patient vital sign acquisition (ECG, SpO₂, temperature) with local display and Bluetooth gateway interface. IC Role / Device Role / Timing Role: Sensor hub aggregating analog and digital inputs, performing signal conditioning, and managing low-power sleep/wake cycles. Use Value: Integrated temperature sensor, 80 GPIOs for button/display control, and Deep power-down mode with wake-on-USART reduce BOM cost and extend battery runtime. |
| GPS tracker | Car radio |
Use Scenario: Asset tracking device with GNSS receiver, cellular modem, and motion-triggered location reporting. IC Role / Device Role / Timing Role: Host MCU coordinating GPS data parsing, modem AT command handling, and accelerometer wake logic. Use Value: Five USARTs allow concurrent GNSS NMEA output, modem control, and debug port; SCTimer enables precise pulse-width modulation for LED status indicators. | Use Scenario: Automotive infotainment head unit with audio processing, display driver interface, and CAN/LIN gateway functions. IC Role / Device Role / Timing Role: Secondary controller managing user interface, audio codec configuration, and serial peripheral coordination. Use Value: Two I²C buses (one Fast-mode Plus) support high-speed display timing controller and audio codec communication; 105 °C rating meets under-dash thermal requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC11U68JBD100 | Same package and pinout; USB 2.0 device controller added, 128 KB flash, no EEPROM | Better suited for USB-connected peripherals; lacks EEPROM for persistent calibration storage | Select when USB connectivity is required and EEPROM is not critical |
| LPC1343FBD48 | LQFP48 package, 32 KB flash, 8 KB SRAM, no EEPROM, no SCTimer, only 3 USARTs | Lower peripheral count and memory; limited to simpler control tasks | Select for cost-sensitive, space-constrained designs where full LPC11E68 feature set is unnecessary |
Compared with LPC11U68JBD100, LPC11E68JBD100E offers larger flash/SRAM and EEPROM but no USB; compared with LPC1343FBD48, it delivers higher integration, more timers, and broader analog capability-making it optimal for feature-rich industrial endpoints.
Availability
LPC11E68JBD100E is available at Aetrix Electronics and suitable for three-phase e-meters, medical monitors, and GPS trackers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LPC11E68JBD100E 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 LPC11E6x product line is designed for cost-sensitive, low-power embedded control applications demanding rich peripheral integration, robust real-time performance, and extended temperature operation - particularly in smart meters, medical devices, and automotive body electronics.
FAQ
What is the maximum operating frequency of the LPC11E68JBD100E?
The LPC11E68JBD100E operates at a maximum CPU frequency of 50 MHz using the ARM Cortex-M0+ core. This speed is achievable via the internal PLL driven by the 12 MHz IRC or an external crystal oscillator (1–25 MHz). The core's two-stage pipeline and single-cycle I/O ensure deterministic execution at this rate, making LPC11E68JBD100E suitable for time-critical control loops in industrial and automotive systems.
Does the LPC11E68JBD100E support in-system programming (ISP)?
Yes, the LPC11E68JBD100E supports both In-System Programming (ISP) and In-Application Programming (IAP) through its ROM-based bootloader. ISP allows firmware updates via UART0 using standard serial commands, while IAP enables field-upgradable code segments without halting the entire application. These capabilities are accessible on LPC11E68JBD100E without external programming hardware, reducing manufacturing and maintenance overhead.
How many ADC channels does the LPC11E68JBD100E have, and what is their resolution?
The LPC11E68JBD100E integrates a single 12-bit successive approximation register (SAR) ADC with up to 12 input channels. It supports two independent conversion sequences, hardware triggering from multiple sources (timers, GPIO), and sample rates up to 2 Msamples/s. This ADC configuration is documented specifically for LPC11E68JBD100E in the Rev. 1.5 datasheet and enables high-fidelity analog sensing in applications like power metering and sensor fusion.
What debug interfaces are supported by the LPC11E68JBD100E?
The LPC11E68JBD100E supports Serial Wire Debug (SWD) as the primary debug interface, with SWDIO and SWCLK pins enabled by default. It also supports JTAG boundary scan mode via TRST, TMS, TDI, and TDO pins. Additionally, the Micro Trace Buffer (MTB) provides hardware instruction trace capability. All debug features are fully functional on LPC11E68JBD100E and require no external debug probe licensing beyond standard ARM-compliant tools.
Is the LPC11E68JBD100E qualified for automotive temperature ranges?
Yes, the LPC11E68JBD100E is specified for operation from -40 °C to +105 °C and features a separate VBAT supply for RTC retention, making it suitable for under-hood and dashboard automotive applications. Its design includes brownout detection, Power-On Reset, and robust ESD protection aligned with AEC-Q100 stress test guidelines - though formal AEC-Q100 qualification status must be verified per NXP's official part documentation for LPC11E68JBD100E.
LPC11E68JBD100E Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- LPC11Exx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 50MHz
- Connectivity:
- I2C, Microwire, SPI, SSI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 80
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 36K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 3.6V
- Data Converters:
- A/D 12x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC11E68JBD100E FAQ
1.How can I place an order for LPC11E68JBD100E through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC11E68JBD100E 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 LPC11E68JBD100E reliable?
The price and inventory of LPC11E68JBD100E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC11E68JBD100E is usually 5 days.
3.What payment methods are accepted for LPC11E68JBD100E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC11E68JBD100E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC11E68JBD100E?
LPC11E68JBD100E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC11E68JBD100E 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 LPC11E68JBD100E?
For technical support, including LPC11E68JBD100E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC11E68JBD100E requirements.
6.How does Aetrix verify that LPC11E68JBD100E is sourced from the original manufacturer or authorized distributors?
All LPC11E68JBD100E 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 LPC11E68JBD100E meets industry standards.
7.What is the process for return or replacement of LPC11E68JBD100E?
All LPC11E68JBD100E units undergo pre-shipment inspection (PSI). If there is an issue with LPC11E68JBD100E, 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 LPC11E68JBD100E part is unused and in its original packaging.
Return procedure for LPC11E68JBD100E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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