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AN2140 - Serial Monitor for MC9S08GB/GT

General Description

, a shorthand notation is used to describe the command syntax.

Each command starts with a binary command code.

A slash (/) is used to separate parts of the command in these descriptions, but these slash characters are not sent as serial characters in commands.

Key Features

  • of the monitor will be discussed in greater detail. During initialization after any cold reset, a long break is transmitted before other SCI communications. This break is about 30 bit-times to ensure that a Windows-based PC can recognize this as a break. In order to establish communications with the monitor, the host must send a carriage return ($0D) at the correct baud rate. If the monitor detects some other character, it implies 2 Serial Monitor for MC9S08GB/GT For More Information On This.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Freescale Semiconductor Application Note AN2140/D Rev. 1, 6/2003 Serial Monitor for MC9S08GB/GT www.DataSheet4U.com Freescale Semiconductor, Inc... By Jim Sibigtroth 8/16 Bit Systems/Applications Engineering Austin, Texas Introduction This application note describes a 1-Kbyte monitor program for the MC9S08GB60 MCU. This program supports 19 primitive debug commands to allow FLASH programming and debug through an RS-232 serial interface to a personal computer. This monitor supports primitive commands to reset the target MCU, read or modify memory (including FLASH memory), read or modify CPU registers, go, halt, or trace single instructions.