Cygnal IDE User Manual

integrated development environment (IDE)

test

your projects. The IDE interfaces with the

chip JTAG and emulation logic

intrusive,

circuit emulation using the production

level

step execution (including stepping through interrupt

breakpoint, and the

and program memory. No additional target RAM,
program memory, or communications channels are
required. Digital and analog peripherals remain
synchronized with program execution while single

The Cygnal IDE runs under Windows 95/98/Me and

ows NT. The IDE communicates with the target

MCU using the PC’s serial port. (The required

JTAG protocol converter is included in all

FEATURES

Check your IDE and Emulator versions under the

About Cygnal IDE menu to ensure you have

the latest development tools from Cygnal Integrated

PRODUCT BRIEF

Project

Window

Editor

ndow

Output

Window

Register

Memory

Cygnal IDE Cygnal IDE Cygnal Integrated Development Environment

Cygnal’s
provides all the tools necessary to develop and

C8051Fxxx MCU’s on­to provide in-system programming and non­full speed, in­device installed in the end application.

Cygnal’s emulation system supports source­debugging in C and assembly language with single-

service routines), run-to­inspection/modification of registers, data memory,

stepping.

Wind
RS232-to-

development kits.)

- Source Code Editor

- Project Manager

- Integrated 8051 Macro Assembler

- Flash Programmer

- Supports Cygnal’s Full Speed, Non-intrusive

In-Circuit Emulation

- Real-time Breakpoints

- Superior Performance to ICE-Chips, Target
Pods, Cables and Sockets

- Source-level Debug

- Memory and Register Inspect/Modify

- Single-step and Animated Execution Modes

- Supports Third-Party Development Tools

- MCU Configuration Wizard

Help →
Products.

Window

Wi

Window

Source Code Editor

The editor includes all standard Windows editor
functions including cut, paste, copy, undo/redo,
find/replace and bookmarks. Color syntax

provided for 8051 assembly and C.
You can extend the list of highlighted keywords as
well as define the colors used. Font, text color and

o the IDE.

51 compatible
source files and creates downloadable Intel hex files.
It also generates all debug information necessary to

grammer allows code to be

chip Flash program

memory immediately after a build without having to

chip emulation

circuit

debug and evaluation of the production version MCU

chip emulation is

chips, target

oisy cables, providing the signal integrity

necessary to evaluate the true analog performance of

The source window is also the working debug
window. You can view the current program counter

ce, set and clear breakpoints, and

code

level (C or assembly) while monitoring register and

Register and memory windows display register and

ts. The windows are updated
every time program execution stops and values that
have changed since the last stop are highlighted.
Register and memory contents can be modified by

llows inspection and

Disassembly Window

Many machine instructions can be required to
perform a single C source statement. A disassembly
window shows these instructions in 8051 assembly

stepping

Breakpoints can be set in source lines to stop
execution immediately before the first instruction of
the specified source line is executed. Breakpoints

chip emulation

time execution of

level debug of Intel

51 absolute object files is fully supported,

tool chains for

Click on checkboxes in the configuration wizard to

A configuration wizard automatically generates MCU

e. Clicking on
checkboxes and entering values in a scripted dialog
generate fully commented assembly language code
needed to enable and configure peripherals, assign

highlighting is

tab settings are also user configurable.

Integrated 8051 Macro Assembler

An 8051 macro-assembler is integrated int
The assembler accepts Intel MCS-

perform assembly language source-level debug.

Flash Programmer

The integrated Flash pro
downloaded to the MCU’s on-

leave the IDE, minimizing the time between source­code modification and in-system debug.

Non-Intrusive Emulation

The IDE connects to the MCU’s on­circutry allowing full-speed, non-intrusive, in-

language as they are executed while single­through C source code.

Breakpoints

are supported by the MCU’s on­circuitry and do not affect the real­the program.

Third-Party Tool Support

Flash programming and source­OMF­allowing the use of many third-party
software development.

installed in the end application. On­superior to emulation systems using ICE­pods and n

your mixed-signal design.

Source Level Debug

location in the sour
perform single-step execution at the source-

memory contents.

Register and Data Memory Windows

data memory conten

editing the window displays.

Program Memory Window

A program memory window a
modification of the on-chip Flash program memory.

generate MCU and peripheral initialization code.

Configuration Wizard

and on-chip peripheral initialization cod

functions to I/O pins, and specify MCU operation.