Hardware Description
2-10
AT18F-DK3 Configurator Development Kit User Guide
3685A–CNFG–04/08
2.2
Socket Adapter Board
Atmel ATF15xxDK3-SAX20 Socket Adapter Board contains the 20-pin TSSOP socket, which is
designed to be used with ATF15xx-DK3 Base Board for programming the Atmel AT18F Series
Configurators.
The ATF15xxDK3-SAX20 Socket Adapter board has two male headers on the bottom side, labeled JP1
and JP2. The headers on the bottom side mate with the female headers on the ATF15xx-DK3 Base
Board, labeled JP4 and JP3. The JTAG port signals, VCCINT, VCCIO, and GND on the ATF15xx-DK3
Base Board are connected to ATF15xxDK3-SAX20 Socket Adapter Board through these two sets of
connectors.
On the top of the 20-TSSOP socket adapter (ATF15xxDK3-SAX20), there are two headers. The pins of
these headers are connected to the input and I/O pins of the target AT18F Series Configurators. They
can be used to connect to an oscilloscope or logic analyzer to capture the activities of the input and I/O
pins of the device. They also can be used to connect the input and I/O pins of the configurator to other
external boards or devices for system level evaluation or testing.
2.3
Atmel CPLD ISP Download Cable
The Atmel JTAG ISP Download Cable, which is included in AT18F-DK3 development/programming kit,
connects the parallel printer (LPT) port of your PC to the 10-pin JTAG header on the Atmel ATF15xx-
DK3 Base Board of the AT18F-DK3 kit or a custom circuit board. This ISP cable acts as a buffer to buffer
the JTAG signals between the PC’s LPT port and the ATF18 Series device on the circuit board. The
Power-On LED on the back of the 25-pin male connector housing indicates that the cable is connected
properly. Make sure this LED is turned on before using the Atmel JTAG Configurator Programming Sys-
tem (JCPS) Software.
This ISP cable consists of a 25-pin (DB25) male connector, which is connected to the LPT port of a PC.
The 10-pin female plug connects to the 10-pin male JTAG header on the ISP circuit board. The red color
stripe on the ribbon cable indicates the orientation of Pin 1 of the female plug. The 10-pin male JTAG
header on the ATF15xx-DK3 Base Board is polarized to prevent users from inserting the female plug in
the wrong orientation.
The Atmel AT18F-DK3 development/programming kit includes this Atmel ATDH1151VPC JTAG ISP
cable v6.0 or above, which can be used to program Atmel AT18F Series Configurators.
shows the JTAG ISP Cable connection from the parallel port of the PC to the JTAG ISP header of the
ATF15xx-DK3 Base Board of the AT18F-DK3 kit.
