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2.7 ASCII Text Communications Mode
2.7.1 Overview
The ‘ASCII Text Control’ communications protocol or ‘ATC’ is designed as a simple way for a Remote
Test System to control the basic programming operations of an Equinox programmer via an RS-232
serial link. It is an ‘ASCII’ protocol with simple commands to initiate programming of pre-loaded
‘Programming Projects’ which are stored in the on-board ‘FLASH Memory Store’ of the programmer.
The protocol supports up to 64 independent Programming Projects per programmer, but is limited to
one programmer.
Implementation of this protocol is straightforward due to the limited number of commands and
restricted functionality. As this is an ASCII protocol, it can be quickly evaluated using any Terminal
Emulation Software Utility such as Hyperterminal.
2.7.2 Programmers supported
The Equinox programmers which are capable of supporting ‘ASCII Text Mode’ control are listed in the
table below.
Programmer
EPSILON5
FS2000A
PPM3 MK1
PPM3 MK2
ASCII Text Mode Control
License upgrade required
License upgrade required
Enabled as standard
Enabled as standard
Order Code
EPSILON5A1-UPG6
FS2000A-UPG7
N/A
N/A
Please note:
1. The PPM3 range of Production ISP Programmers are enabled for ‘ASCII Text Mode’ control
as standard. The ‘Communications Node Address’ must be set to address ‘0’.
2. A license upgrade is required for all other programmers to enable them for ‘ASCII Text Mode’.
2.7.3 Limitations of this protocol
This protocol has been designed as a simple method to allow a Remote Application such as an In-
Circuit Tester to control the basic operations of an Equinox programmer. The programmer only
supports the programming of entire ‘Programming Projects’ which are already uploaded to the
programmer on-board FLASH memory. This protocol does not support writing / reading of individual
bytes or blocks of data to / from a Target Device.
The limitations of this protocol are as follows:
1. The protocol only supports programming of Programming Projects which are pre-loaded into
the Programmer on-board FLASH Memory Store.
2. The protocol does not support writing / reading of individual bytes or blocks of data to / from a
Target Device.
3. The protocol does not support uploading of ‘Programming Projects’ to the programmer. This
must be performed using the EQTools – Project Upload Wizard.
4. Only very limited diagnostics are available using this protocol ie. FAIL + Error Number.
2.7.4 Further Information
A full description of this protocol can be found in the Application Note ‘AN110 - ASCII Text Control
(ATC) Protocol for Remote Control of Equinox Programmers’.
42
PPM3 MKII Programmer - User Guide - V1.04 - 10 th May 2008
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