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The LPC2131/32/34/36/38 microcontrollers are based on a 16/32-bit ARM7TDMI-S CPU with real-time emulation and embedded trace support, that combine the microcontroller with 32 kB, 64 kB, 128 kB, 256 kB and 512 kB of embedded high-speed flash memory. A 128-bit wide memory interface and a unique accelerator architecture enable 32-bit code execution at maximum clock rate. For critical code size applications, the alternative 16-bit Thumb mode reduces code by more than 30 % with minimal performance penalty. Due to their tiny size and low power consumption, these microcontrollers are ideal for applications where miniaturization is a key requirement, such as access control and point-of-sale. With a wide range of serial communications interfaces and on-chip SRAM options of 8 kB, 16 kB, and 32 kB, they are very well suited for communication gateways and protocol converters, soft modems, voice recognition and low-end imaging, providing both large buffer size and high processing power. Various 32-bit timers, single or dual 10-bit 8-channel ADC(s), 10-bit DAC, PWM channels and 47 GPIO lines with up to nine edge or level sensitive external interrupt pins make these microcontrollers particularly suitable for industrial control and medical systems.


  • Low power Real-time clock with independent power and dedicated 32 kHz clock input.
  • Multiple serial interfaces including two UARTs (16C550), two Fast I2C-bus (400 kbit/s),
  • SPI and SSP with buffering and variable data length capabilities.
  • Vectored interrupt controller with configurable priorities and vector addresses.
  • Up to forty-seven 5 V tolerant general purpose I/O pins in tiny LQFP64 or HVQFN package.
  • Up to nine edge or level sensitive external interrupt pins available.
  • 60 MHz maximum CPU clock available from programmable on-chip PLL with settling time of 100us.
  • On-chip integrated oscillator operates with external crystal in range of 1 MHz to 30 MHz and with external oscillator up to 50 MHz.
  • Power saving modes include Idle and Power-down.
  • Individual enable/disable of peripheral functions as well as peripheral clock scaling down for additional power optimization.
  • Processor wake-up from Power-down mode via external interrupt or BOD.


  •  MCU, 32BIT, ARM7TDMI, 60MHZ, LQFP-64
  • Architecture: ARM7TDMI
  • Program Memory Size: 512KB
  • RAM Memory Size: 32KB
  • CPU Speed: 60MHz
  • No. of I/O's: 47
  • MCU Case Style: LQFP
  • No. of Pins: 64
  • Embedded Interface Type: SPI, UART
  • Supply Voltage Min: 3V
  • Supply Voltage Max: 3.6V
  • Packaging: Each
  • MSL: MSL 1 - Unlimited
  • SVHC: No SVHC (16-Jun-2014)
  • Clock Frequency: 60MHz
  • Controller Family/Series: LPC21xx
  • Flash Memory Size: 512KB
  • IC Generic Number: LPC2138
  • MPU Core Size: 32bit
  • Memory Type: Flash
  • No. of ADC Inputs: 16
  • No. of PWM Channels: 6
  • No. of Timers: 2
  • Operating Temperature Max: 85°C
  • Operating Temperature Min: -40°C
  • Operating Temperature Range: -40°C to +85°C
  • Oscillator Type: External
  • Peripherals: ADC, DAC, RTC
  • Program Memory Size: 512KB
  • Supply Voltage Range: 3V to 3.6V
  • Termination Type: SMD

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  • Views: 1145
  • Product Code: LPC2138FBD64
  • Availability: In Stock
  • Rs470.00

Tags: lpc2138fbd64, lpc, 2138, fbd, 64, microcontroller, arm, semiconductor

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