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Distributor of Equinox Technologies: Excellent Integrated System Limited
Datasheet of EQ-IOCON-3 - MOD PPM3 CONN-3 I/O ATMEGA JTAG
Contact us: sales@integrated-circuit.com Website: www.integrated-circuit.com
3.0 ISP Header Selection
3.1 Overview
The method of connection to the Target System or Test Fixture is usually dictated by the interconnect
method already used on the Target System or Test Fixture. If the programmer is to be interfaced
directly to a header on a Target System, then it is likely that one of the 6-wy or 10-way ISP box
headers will be used. If, however, the programmer is to be interfaced to a Test Fixture, then 'Wire-
wrap' or 'Fast Connect' clip-in connects are more likely to be used.
The choice of possible headers and connection systems are detailed in section 3.1.
The available headers for a particular device manufacturer / device type are detailed in section 3.2.
3.2 ISP Header Selection Chart (by header)
The various ISP Headers featured on the EQ-IO-CON modules are detailed in the table below. Please
refer to the section indicated in the 'refer to section' column for specific details of each header.
#
I/O
Description / Function
Connector
Module
1
IOCON-1
Atmel 6-way ISP Header
IOCON-2
IOCON-3
Device support:
•
•
•
The 'Equinox' Header can have THREE different pin-outs depending on which Target Device
is to be programmed. See (2a), (2b) and (2c).
2a IOCON-1
Equinox 10-way Header(a)
IOCON-2
IOCON-3
Device support:
Atmel AT90S, ATmega,
ATtiny, AT89S devices
2b IOCON-1
Equinox 10-way Header(a)
IOCON-2
IOCON-3
Device support:
Atmel ATtiny11/12/15
High Voltage (+12V Vpp)
Programming Mode
Atmel AT90S,
ATmega, ATtiny AVR
microcontroller
AT89S
microcontrollers
24Cxxx Serial
EEPROM
Refer to
ISP Header Pin-out
section
3.4
3.5
3.6
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