这是LPC2100MCU的资料Description
The 16-32 bit LPC2104/2105/2106 is based on an ARM7TDMI-S core with
on-chip emulation support and high performance peripherals.The tiny bodysize
of 7 mm x 7 mm is unique to a full featured 32-bit microcontroller and
opens new application areas that need to focus on miniaturization.