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NXP Semiconductors LPC2136FBD64/01EL
- Part No.:
- LPC2136FBD64/01EL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
LPC2136FBD64/01EL.pdf
- Description:
- IC MCU 16/32B 256KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:227
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Product details
Overview
LPC2136FBD64/01 from NXP Semiconductors is a 16/32-bit ARM7TDMI-S microcontroller in LQFP64 package, featuring 256 kB flash, 32 kB SRAM, dual 10-bit 8-channel ADCs (16 total inputs), single 10-bit DAC, and 47 GPIO with nine external interrupt pins - deployed in industrial control systems requiring real-time analog acquisition and PWM-driven actuation.
For engineers reviewing the LPC2136FBD64/01 datasheet, LPC2136FBD64/01 pinout, LPC2136FBD64/01 application, or LPC2136FBD64/01 equivalent, this page delivers verified technical context, validated pin functions, confirmed peripheral timing specs, and real-world use-case mappings for embedded firmware development, hardware layout, and component substitution decisions.
Technical Context
The LPC2136FBD64/01 implements an ARM7TDMI-S core with Thumb instruction set support, enabling 32-bit performance at up to 60 MHz via on-chip PLL (100 µs settling time) while achieving >30 % code size reduction in Thumb mode. Its memory subsystem uses a 128-bit wide interface and accelerator architecture to sustain full-speed execution from flash.
Peripheral integration includes two UARTs with fractional baud rate generators and hardware handshake, dual Fast I²C-bus interfaces (400 kbit/s), SPI/SSP with variable data length, two 32-bit timers (four capture/compare channels each), six PWM outputs, and a low-power RTC with independent 32 kHz clock input and dedicated VBAT supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM7TDMI-S 16/32-bit RISC processor with Thumb mode and EmbeddedICE RT/ETM trace support. |
| Max Clock Speed | 60 MHz via programmable on-chip PLL; 100 µs lock time enables rapid frequency transitions. |
| Memory | 256 kB on-chip flash (100,000 erase/write cycles, 20-year retention); 32 kB on-chip SRAM accessible as 8/16/32-bit. |
| Analog Peripherals | Dual 10-bit 8-channel ADCs (AD0/AD1), 16 total analog inputs, 2.44 µs conversion time per channel; single 10-bit DAC (AOUT). |
| Digital I/O & Interrupts | 47 GPIO pins (5 V tolerant), up to nine edge/level-sensitive external interrupt sources (EINT0–EINT3, plus P1.25/EXTIN0). |
| Serial Interfaces | Two UARTs (16C550 compatible, fractional baud + auto-baud), two Fast I²C (400 kbit/s), SPI, SSP, and JTAG debug interface. |
| Power Supply | Single 3.0–3.6 V supply (3.3 V ±10 %); separate VDDA/VSSA/VREF for analog section; VBAT for RTC backup. |
Pinout & Package
Package: LQFP64 (plastic low profile quad flat package; 64 leads; body 10 × 10 × 1.4 mm; SOT314-2). All pins are 5 V tolerant with TTL levels, hysteresis, and 10 ns slew rate control unless specified otherwise (e.g., open-drain I²C pins require external pull-ups).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0.0/TXD0/PWM1 | UART0 transmit / PWM output | Primary serial TX for bootloader or host communication; configurable as PWM1 for motor/servo control. |
| P0.27/AD0.0/CAP0.1/MAT0.1 | ADC0 channel 0 / Timer0 capture/match | Analog input tied directly to pin; simultaneous use as timer capture or match output requires functional multiplexing via PINSEL registers. |
| P0.25/AD0.4/AOUT | ADC0 channel 4 / DAC output | Shared pin: digital I/O disabled when AOUT active; used for analog waveform generation or reference voltage sourcing. |
| P1.27/TDO | JTAG test data output | Required for boundary-scan testing and real-time debugging; driven by on-chip debug logic during JTAG session. |
| VREF | ADC/DAC reference voltage input | Must be decoupled and isolated from digital noise; sets full-scale range for both 10-bit converters (0–VREF). |
| RESET | Active-low asynchronous reset | TTL-compatible with hysteresis; asserts internal reset state, initializes peripherals, and forces vector fetch from address 0x00000000. |
Key Features
| Feature | Design Value |
|---|---|
| Fast GPIO | Port pin toggle speed up to 3.5× faster than base LPC213x; enables high-frequency bit-banging (e.g., software I²C or LED PWM). |
| Dedicated ADC result registers | Reduces interrupt latency by eliminating register read-modify-write cycles during ADC conversion completion handling. |
| Fractional baud rate UARTs | Supports precise non-integer baud rates (e.g., 115200, 921600) across wide crystal frequencies without external dividers. |
| Enhanced BOD control | Configurable brown-out detection thresholds allow fine-grained power optimization in battery-powered applications. |
| Real-time clock with VBAT | Independent 32 kHz RTC oscillator continues counting during main power-down, enabling wake-up and timestamping without host CPU intervention. |
Applications
| Industrial Motor Control | Medical Sensor Hub |
|---|---|
Use Scenario: Closed-loop control of BLDC motors using PWM outputs and current/voltage feedback via ADC channels. IC Role / Device Role / Timing Role: Real-time execution of PID algorithms at ≤100 µs loop intervals; synchronized ADC sampling and PWM update via MAT/CAP registers. Use Value: Dual ADCs provide simultaneous phase current and bus voltage measurement; 60 MHz CPU ensures deterministic response under load transients. |
Use Scenario: Aggregation and preprocessing of ECG, SpO₂, and temperature sensor signals in portable diagnostic devices. IC Role / Device Role / Timing Role: Analog front-end controller with 10-bit resolution and <2.44 µs per-channel conversion; RTC timestamps raw sensor data streams. Use Value: On-chip 32 kB SRAM buffers multi-channel waveforms; low-power modes extend battery life between measurements. |
| Communication Gateway | Access Control Terminal |
Use Scenario: Protocol translation between RS-485 Modbus field devices and Wi-Fi/Ethernet uplink in building automation. IC Role / Device Role / Timing Role: Dual UARTs handle independent serial protocols; Fast I²C manages local sensor/actuator I/O expansion. Use Value: Hardware flow control and auto-baud eliminate host-side timing constraints; 47 GPIO support custom LED/keypad interfaces. |
Use Scenario: Secure door entry system with RFID reader, keypad, buzzer, and relay driver - all managed in compact form factor. IC Role / Device Role / Timing Role: Main controller executing access logic, tamper detection, and audit logging; fast GPIO drives solenoid drivers with precise timing. Use Value: 5 V tolerant I/O eliminates level-shifting components; integrated flash stores firmware and credential database securely. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC2138FBD64/01 | 512 kB flash, same 32 kB SRAM, identical peripherals and pinout. | Supports larger firmware images (e.g., embedded web server, OTA update stack) without hardware change. | Select when future firmware growth or feature expansion is anticipated; no PCB redesign required. |
| LPC2148FBD64 | Same ARM7 core but adds USB 2.0 device controller, 512 kB flash, and enhanced interrupt controller; different pin mapping for USB signals. | Enables direct USB connectivity (e.g., HID device, CDC ACM) - unavailable on LPC2136FBD64/01. | Choose only if native USB interface is mandatory; requires PCB layout revision due to USB D+/D− routing. |
Compared with LPC2138FBD64/01, the LPC2136FBD64/01 offers optimal cost/performance balance for fixed-function industrial controllers; versus LPC2148FBD64, it trades USB capability for proven stability, lower BOM cost, and unchanged layout compatibility within legacy LQFP64 designs.
Availability
LPC2136FBD64/01 is available at Aetrix Electronics and suitable for industrial motor control, medical sensor hubs, communication gateways, and access control terminals requiring stable component supply across long-lifecycle production programs.
Supply support for LPC2136FBD64/01 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.
The LPC213x/01 product line delivers cost-optimized, low-power ARM7-based microcontrollers targeting resource-constrained embedded systems where analog integration, real-time responsiveness, and long-term supply stability are critical.
FAQ
What is the maximum operating frequency of the LPC2136FBD64/01?
The LPC2136FBD64/01 supports a maximum CPU clock frequency of 60 MHz, achieved via its on-chip PLL with 100 µs settling time. This allows deterministic real-time execution of time-critical tasks such as motor control loops or ADC-triggered PWM updates. The 128-bit memory interface ensures no wait states at full speed when executing from flash.
Does the LPC2136FBD64/01 include a DAC, and how is it accessed?
Yes, the LPC2136FBD64/01 integrates a single 10-bit DAC accessible via the AOUT function on pin P0.25. When enabled, the digital I/O functionality of that pin is disabled. The DAC output range is 0–VREF, and it supports continuous waveform generation or static reference voltage sourcing - commonly used for sensor calibration or analog actuator control.
How many analog inputs does the LPC2136FBD64/01 support, and what is their resolution?
The LPC2136FBD64/01 supports 16 analog inputs: eight channels on ADC0 (AD0.0–AD0.7) and eight on ADC1 (AD1.0–AD1.7). Both ADCs are 10-bit successive approximation converters with a minimum conversion time of 2.44 µs per channel. Input channels AD1.0–AD1.7 are only available on LPC2134/36/38 variants, confirming full 16-channel capability for this part.
Is the LPC2136FBD64/01 pin-compatible with other members of the LPC213x family?
Yes, the LPC2136FBD64/01 in LQFP64 package shares identical pinout and electrical characteristics with LPC2131FBD64/01, LPC2132FBD64/01, LPC2134FBD64/01, and LPC2138FBD64/01. This enables drop-in replacement across flash/RAM configurations - for example, upgrading from 64 kB to 256 kB flash without PCB modification.
What debug interfaces are supported by the LPC2136FBD64/01?
The LPC2136FBD64/01 supports JTAG (TRST, TCK, TMS, TDI, TDO) and EmbeddedICE RT for real-time debugging, plus Embedded Trace Macrocell (ETM) for instruction-level tracing. Trace signals (TRACEPKT0–3, TRACESYNC, TRACECLK) are routed to Port 1 pins and enable high-speed program flow analysis when used with compatible debug probes.
LPC2136FBD64/01EL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- LPC2100
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM7®
- Core Size:
- 16/32-Bit
- Speed:
- 60MHz
- Connectivity:
- I2C, Microwire, SPI, SSI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 47
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 3.6V
- Data Converters:
- A/D 16x10b SAR; D/A 1x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC2136FBD64/01EL FAQ
1.How can I place an order for LPC2136FBD64/01EL through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC2136FBD64/01EL 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 LPC2136FBD64/01EL reliable?
The price and inventory of LPC2136FBD64/01EL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC2136FBD64/01EL is usually 5 days.
3.What payment methods are accepted for LPC2136FBD64/01EL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC2136FBD64/01EL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC2136FBD64/01EL?
LPC2136FBD64/01EL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC2136FBD64/01EL 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 LPC2136FBD64/01EL?
For technical support, including LPC2136FBD64/01EL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC2136FBD64/01EL requirements.
6.How does Aetrix verify that LPC2136FBD64/01EL is sourced from the original manufacturer or authorized distributors?
All LPC2136FBD64/01EL 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 LPC2136FBD64/01EL meets industry standards.
7.What is the process for return or replacement of LPC2136FBD64/01EL?
All LPC2136FBD64/01EL units undergo pre-shipment inspection (PSI). If there is an issue with LPC2136FBD64/01EL, 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 LPC2136FBD64/01EL part is unused and in its original packaging.
Return procedure for LPC2136FBD64/01EL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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