In-System Programming

Connections

1.Connections must be done in accordance to the adapter's wiring diagram published in the adapters.chm file.

2.The target system should not shunt or overload the logical signals generated by the programmer.

3.Some IPS algorithms require generating logical signals with the voltage levels of 10 to 15V exceeding normal voltages used in electronic systems (3 to 5V). The target system should be tolerant to applying such "high voltages".

Powering

There are two alternative options for powering the targets:

1.The target gets power from the ChipProg. This is possible only if the target does not consume too much energy. The current supplied from the programmer may not exceed 80 mA, a capacity of the target power circuitry should not exceed 50 uF.

2.The target gets power from a built-in or external power supply. In this case the power output from the ChipProg should not be connected with the target. The target system should be tolerant to applying logical signals with the voltage levels exceeding the voltages on the target.

NOTE! It is strictly prohibited to power the target from both the programmer and built-in or external power supply simultaneously.

Electrical characteristics of the ChipProg signals

Max current load for the logical signals - 5 mA.

Max current load for the Vcc line - 80 mA.

Max current load for the Vpp line - 80 mA.