Operation
How to connect?
How to connect Emulation Adapter (video)
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How to connect iSYSTEM Hardware (video)
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Configuration
DIP1: Target reset configuration
DIP switch DIP1 connects the Emulation Adapter reset line and the target reset line and is on
(position next to the white dot) by default. The Emulation Adapter also features a Reset push button
(SW1).
If having problems establishing the initial debug session with the Emulation Adapter, adjust the DIP
switch DIP1 to the off position (position away from the white dot) and try again.
DIP2: Clock source configuration
DIP switch DIP2 selects a clock source for the emulation device.
When the switch is in position next to the white dot (default setting), it selects the crystal circuit
oscillator from the target.
When the crystal circuit of the emulation adapter is to be used instead of the target board's crystal
circuit, adjust the switch in the position away from the white dot. In this case, the Q1 socket on the
Emulation Adapter must also be populated with an adequate crystal.
The Emulation Adapter may not operate when your target board's crystal circuit is used as the
clock source. A typical design guideline is that the crystal should be as close as possible to
the microcontroller. The crystal on your target board might not oscillate in conjunction with
the Emulation Adapter when the clock lines (XTAL, EXTAL) between the crystal and the
emulation device on the Emulation Adapter become too long, thus affecting the impedance of
the crystal circuit.
Separately packed 16 MHz crystal can be used as a 16 MHz external clock (XOSC) source to
the emulation device. If a different clock frequency is required, insert an adequate crystal into
the Q1 socket and replace C1 (default 22pF populated) and C2 (default 22pF populated)
accordingly. Crystal socket Q1 is by default not populated (NP).
- short link: isystem.com/ea-intro
- short link: isystem.com/connect-hardware
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