描述:
The LPC-P2148 is a prototype board for LPC2148 ARM7TDMI-S microcontroller with USB 2.0 full speed device, multiple UARTs, SPI, SSP to I2C bus and on chip SRAM up to 40kB. The board has reset and oscillator circuits, JTAG port for programming and debugging, USB, RS 232, SD/MMC, buzzer, three status LEDs, potentiometer and two user buttons. There are plenty of GPIOs on extension headers and also a prototype area where user can connect additional circuits. . The LPC2148 16 bit /32bit ARM7TDMI-S with 512Kbytes Program Flash, 42Kbytes RAM . Standard JTAG connector with ARM 2x10 pin layout for programming/debugging with ARM-JTAG . 32.768KHz crystal and RTC backup battery connector . Two channel RS 232 interface and drivers . SD/MMC card connector . Trimpot connected to ADC . UEXT 10pin extension connector for Olimex addition peripherals like MP3, RF2.4Ghz, RFID etc . On board voltage regulator 3.3V with up to 800mA current . Reset circuit with external control of Philips ISP utility via RS 232 . JRST jumper for enable/disable external RESET control by RS23 The LPC-P2148 board is shipped in protective anti static packaging. The board must not be subject to high electrostatic potentials.