Keil™, An ARM® Company

MCB2900 User's Guide

Serial Port

The MCB2900 board connects the ASC0 on-chip serial UART to the ST3232 (IC2), which converts the logic signals to RS-232 voltage levels. The ASC0 UART may be used in bootstrap mode to download other utilities for debugging or downloading flash.

MCB2900 Board Serial Ports

DB9 Connector Standard Wiring