NXP Semiconductors LPC2134FBD64,151
- Part No.:
- LPC2134FBD64,151
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
LPC2134FBD64,151.pdf
- Description:
- IC MCU 16/32B 128KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
LPC2134FBD64,151 from NXP is a 60-MHz, 32-bit ARM7TDMI-S microcontroller with 128 KB ISP/IAP Flash, 16 KB SRAM, two 10-bit ADCs (16 total channels), one 10-bit DAC, two I²C interfaces, two UARTs, one SPI, one SSP, two 32-bit timers, and real-time clock - used in automotive entertainment and communications gateway designs.
For engineers reviewing the LPC2134FBD64,151 datasheet, LPC2134FBD64,151 pinout, LPC2134FBD64,151 application, or LPC2134FBD64,151 equivalent, key selection considerations include Flash/SRAM size, dual 10-bit ADC channel count, 10-bit DAC presence, I²C/UART interface count, and LQFP64 package compatibility with industrial temperature range (-40 to +85 °C).
Technical Context
The LPC2134FBD64,151 implements the ARM7TDMI-S core with AHB/APB bus architecture, enabling zero-wait-state 32-bit Flash execution via a 128-bit-wide interface and memory accelerator. It supports both ARM and Thumb instruction sets for code density optimization.
It integrates dual 10-bit successive-approximation ADCs with eight channels each and result registers per channel (LPC213x/01 variant), plus a single 10-bit voltage-output DAC. Serial peripherals include two Fast-mode I²C (400 kbps), two UARTs with fractional baud-rate generators, and one SPI/SSP with variable data length support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM7TDMI-S, 60 MHz - enables deterministic real-time control with low interrupt latency and JTAG debug support. |
| Flash Memory | 128 KB ISP/IAP Flash - allows field firmware updates and in-application reprogramming without external programmer. |
| SRAM | 16 KB on-chip SRAM - sufficient for real-time buffering, stack, and heap in embedded control applications. |
| ADC | Two 10-bit SAR ADCs, 16 total channels - supports simultaneous analog sensing across multiple sensors in automotive or industrial systems. |
| DAC | One 10-bit voltage-output DAC - provides precise analog output for calibration, audio waveform generation, or actuator control. |
| Serial Interfaces | Two I²C, two UART, one SPI, one SSP - enables multi-protocol connectivity to displays, sensors, modems, and legacy peripherals. |
| Timers & PWM | Two 32-bit timers (four capture/compare channels each) + six-output PWM unit - supports motor control, pulse measurement, and LED dimming. |
Pinout & Package
Package: LQFP64 (10 × 10 × 1.4 mm), RoHS-compliant, lead-free, rated for -40 °C to +85 °C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0.0–P0.31 | General-purpose I/O port 0 | 32-bit bidirectional GPIO bank with configurable pull-up/down and 5-V tolerant inputs on select pins. |
| P1.0–P1.15 | General-purpose I/O port 1 | 16-bit bidirectional GPIO bank supporting alternate functions including UART, I²C, SPI, and ADC inputs. |
| AD0.0–AD0.7 | ADC0 input channels | Eight analog inputs for first 10-bit ADC; mapped to P0.10–P0.17 and P0.23–P0.24 on LQFP64. |
| AD1.0–AD1.7 | ADC1 input channels | Eight analog inputs for second 10-bit ADC; mapped to P0.25–P0.31 and P1.0–P1.2 on LQFP64. |
| DA0 | DAC output | Analog voltage output (0–3.3 V) from 10-bit DAC; routed to P0.26 on LQFP64 package. |
| TD0/RD0 | UART0 transmit/receive | Asynchronous serial communication interface (TxD0/RxD0) mapped to P0.0/P0.1. |
| SCL0/SDA0 | I²C0 clock/data | Fast-mode (400 kbps) I²C bus interface mapped to P0.2/P0.3. |
Key Features
| Feature | Design Value |
|---|---|
| Zero-wait-state Flash execution | 128-bit-wide interface + memory accelerator enables full 60-MHz ARM performance without external RAM. |
| Enhanced ADC architecture | Dual 10-bit SAR converters with dedicated result registers per channel improve sampling throughput and reduce CPU overhead. |
| Fractional baud-rate UARTs | UART0/UART1 support precise baud rates (e.g., 115.2 kbps at 60 MHz) without external crystal tuning. |
| Fast I/O capability | Seven pins support 15-MHz switching (LPC213x/01 variant); critical for bit-banged protocols or high-speed digital control. |
| Vectored Interrupt Controller (VIC) | Hardware prioritization of up to 32 interrupts reduces ISR latency and simplifies real-time response design. |
Applications
| Automotive Entertainment | Communications Gateway |
|---|---|
Use Scenario: Audio source switching, display backlight control, and sensor monitoring in head-unit systems. IC Role / Device Role / Timing Role: Main system controller managing I²C-connected displays, UART-linked Bluetooth modules, and ADC-monitored thermal/voltage sensors. Use Value: Integrated dual ADCs and DAC enable closed-loop audio level adjustment and real-time diagnostics without external signal conditioning ICs. | Use Scenario: Protocol translation between CAN, RS-232, and I²C networks in telematics or infotainment gateways. IC Role / Device Role / Timing Role: Central protocol bridge executing custom firmware to route and convert messages across heterogeneous buses. Use Value: Two UARTs with fractional baud-rate generators and dual I²C interfaces allow concurrent, jitter-free communication with multiple legacy and modern peripherals. |
| Voice Recognition Front-End | Low-End Imaging System |
Use Scenario: Analog microphone pre-amplification, filtering, and digitization before DSP processing in voice-controlled devices. IC Role / Device Role / Timing Role: Analog front-end controller acquiring and preprocessing voice signals via 10-bit ADCs and generating reference waveforms using the 10-bit DAC. Use Value: On-chip 10-bit DAC provides stable bias/reference voltages for op-amp stages, reducing BOM count and PCB area. | Use Scenario: Image sensor configuration, timing control, and raw pixel data acquisition in compact document scanners or thermal cameras. IC Role / Device Role / Timing Role: Timing master and sensor interface controller synchronizing exposure, readout, and ADC sampling for CMOS/CCD sensors. Use Value: Two 32-bit timers with capture capability precisely align sensor strobe pulses and frame sync signals, ensuring consistent image capture timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC2134FBD64,152 | Same silicon, different traceability marking - no functional or electrical difference. | Identical use cases; selected when specific lot traceability or date-code requirements apply. | Drop-in replacement with identical pinout, firmware, and qualification. |
| LPC2138FBD64,151 | 512 KB Flash, 32 KB SRAM, same peripheral set - higher memory capacity only. | Preferred for larger firmware images or extended data logging where 128 KB Flash is insufficient. | Select when future firmware expansion or runtime data buffering demands exceed LPC2134FBD64,151 capacity. |
Compared with LPC2134FBD64,151, the LPC2134FBD64,152 offers identical functionality with traceability differentiation, while the LPC2138FBD64,151 provides scalable memory headroom - both retain the same LQFP64 footprint, ADC/DAC count, and timer architecture for seamless migration.
Availability
LPC2134FBD64,151 is available at Aetrix Electronics and suitable for automotive entertainment, communications gateways, and voice recognition systems requiring stable component supply across extended product lifecycles.
Supply support for LPC2134FBD64,151 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 focused on secure connectivity solutions for automotive, industrial, and IoT applications.
The LPC213x family delivers cost-optimized, Flash-based ARM7 microcontrollers targeting resource-constrained embedded systems requiring mixed-signal integration, real-time responsiveness, and field-upgradable firmware.
FAQ
What is the operating voltage range for the LPC2134FBD64,151?
The LPC2134FBD64,151 operates from a single 3.3-V supply with ±10% tolerance (3.0–3.6 V). It does not support 5-V operation, and all I/Os are 5-V tolerant only on designated pins (P0.10–P0.17, P0.23–P0.24, P0.26–P0.29, P1.0–P1.2, P1.15) - critical for interfacing with legacy 5-V peripherals without level shifters. The LPC2134FBD64,151 datasheet specifies this behavior under Absolute Maximum Ratings and DC Characteristics sections.
Does the LPC2134FBD64,151 support In-System Programming (ISP)?
Yes, the LPC2134FBD64,151 supports full In-System Programming via its built-in boot loader, accessible through UART0. It enables field firmware updates without removing the device from the PCB. Programming speed is 1 ms per 256-byte line, and sector erasure takes 400 ms. This capability is integral to the LPC2134FBD64,151's Flash memory architecture and requires no external hardware programmer.
How many analog input channels does the LPC2134FBD64,151 support?
The LPC2134FBD64,151 supports 16 analog input channels across two independent 10-bit ADCs - eight channels per ADC (AD0.0–AD0.7 and AD1.0–AD1.7). Channel mapping is fixed per LQFP64 pinout: AD0 uses P0.10–P0.17 and P0.23–P0.24; AD1 uses P0.25–P0.31 and P1.0–P1.2. Each ADC has dedicated result registers, a feature confirmed for the LPC213x/01 variant that includes the LPC2134FBD64,151.
What debug interfaces are available on the LPC2134FBD64,151?
The LPC2134FBD64,151 features standard ARM JTAG (IEEE 1149.1) for boundary-scan testing and real-time emulation, plus an Embedded ICE (E-ICE) RTM interface for hardware breakpoints and watchpoints. It also includes an embedded trace macrocell for instruction flow visibility. These capabilities are fully supported by third-party tools like Keil µVision and IAR Embedded Workbench, and are documented in the LPC2134FBD64,151 user manual.
Is the DAC on the LPC2134FBD64,151 buffered or unbuffered?
The DAC on the LPC2134FBD64,151 is unbuffered - it outputs a current-mode signal that must be converted to voltage using an external op-amp circuit. The DAC output (DA0) is routed to P0.26 on the LQFP64 package and is specified for 0–3.3 V output range with 10-bit resolution. This design choice minimizes on-die area but requires external buffering for driving loads >100 µA, as stated in the LPC2134FBD64,151 datasheet Electrical Characteristics table.
LPC2134FBD64,151 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- LPC2100
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K 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:
LPC2134FBD64,151 FAQ
1.How can I place an order for LPC2134FBD64,151 through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC2134FBD64,151 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 LPC2134FBD64,151 reliable?
The price and inventory of LPC2134FBD64,151 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC2134FBD64,151 is usually 5 days.
3.What payment methods are accepted for LPC2134FBD64,151?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC2134FBD64,151 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC2134FBD64,151?
LPC2134FBD64,151 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC2134FBD64,151 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 LPC2134FBD64,151?
For technical support, including LPC2134FBD64,151 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC2134FBD64,151 requirements.
6.How does Aetrix verify that LPC2134FBD64,151 is sourced from the original manufacturer or authorized distributors?
All LPC2134FBD64,151 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 LPC2134FBD64,151 meets industry standards.
7.What is the process for return or replacement of LPC2134FBD64,151?
All LPC2134FBD64,151 units undergo pre-shipment inspection (PSI). If there is an issue with LPC2134FBD64,151, 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 LPC2134FBD64,151 part is unused and in its original packaging.
Return procedure for LPC2134FBD64,151:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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