SLAS191A datasheet(37/86 Pages) TI

37 / 86 page

2–1

2 Monitor Commands

This chapter describes the syntax conventions and the available commands of the Monitor Program.

2.1

Syntax Conventions

•

The numbers in brackets [ ] are optional.

•

x is a hexadecimal address.

•

n is the hexadecimal number of bytes to show.

•

i is the hexadecimal register number.

•

Only the r, m, and e commands expect <ENTER> or <ESC> commands.

•

The <ESC> key provides a keyboard interrupt for all command inputs except m.

•

The half-duplex UART prevents keyboard interrupts while entering a large number of bytes to

show the results of an action.

•

The registers are named in hexadecimal format from R0 to RF.

•

All addresses or memory/register contents must be entered in hexadecimal mode. Entering

zeros in the MSB is optional.

•

Errors in address or memory/register contents in the terminal input must be corrected by

re-entering all four hexadecimal digits. The leading (MSB) zeros are optional.

•

The Arrow, Insert, Delete, or Backspace keys can not be used to change an incorrect terminal

input.

2.2

Memory Organization

To use some commands, it is necessary to know the memory locations and their functions (see Figure 2–1).

In memory locations 000h to 0FFh, only the byte mode is possible. In memory locations 100h to 1FFh, only

the word mode is possible. Memory locations 010h to 0FFh are reserved for 8-bit peripheral modules, and

the locations between 100h and 1FFh are reserved for 16-bit peripheral modules.

INT. VECTOR

16 KB EPROM

512 B RAM

16 Bit Peripheral Modules

8 Bit Peripheral Modules

Special Function Register

FFFFh

FFE0h

FFDFh

C000h

03FFh

0200h

01FFh

0100h

00FFh

0010h

000Fh

0000h

INT. VECTOR

32 KB EPROM

1 KB RAM

16 Bit Peripheral Modules

8 Bit Peripheral Modules

Special Function Register

FFFFh

FFE0h

FFDFh

8000h

05FFh

0200h

01FFh

0100h

00FFh

0010h

000Fh

0000h

MSP430x320

MSP430x330

Figure 2–1. Memory Organization

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