LPC2138 Processor

The NXP (founded by Philips) LPC2138 is an ARM7TDMI-S based high-performance 32-bit RISC Microcontroller with Thumb extensions 512KB on-chip Flash ROM with In-System Programming (ISP) and In-Application Programming (IAP), Two 8-ch 10bit ADC 32KB RAM, Vectored Interrupt Controller, Two UARTs, one with full modem interface. Two I2C serial interfaces, Two SPI serial interfaces Three 32-bit timers, Watchdog Timer, Real Time Clock with optional battery backup, Brown out detect circuit General purpose I/O pins. CPU clock up to 60 MHz, On-chip crystal oscillator and On-chip PLL.

Features of LPC2138

• A/D Converter 0 (8 Channels)

• A/D Converter 1 (8 Channels)

• A/D Global Start

• D/A Converter

• External Interrupts

• General Purpose Input/Output (GPIO): Port0: 30-Bit

• General Purpose Input/Output (GPIO): Port1: 16-Bit

• I²C Interface: I2C0

• I²C Interface: I2C1

• IAP Flash Memory Programming

• Memory Accelerator Module (MAM)

• Memory Mapping Control

• Phase Locked Loop (PLL)

• Pin Connect Block

• Power Control

• Real Time Clock

• SPI Interface: SPI0

• SSP Interface

• Timer 0

• Timer 1

• UART0

• UART1

• Vectored Interrupt Controller (VIC)

• VPB Divider

• Watchdog