AS-ISP-RL78 – ChipProg-ISP BH14/BH14 specialized adapter for in system programming of Renesas RL78 family microcontrollers

as-isp-msp-430
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Supported Devices:
Click the device programmer model below to get an appropriate list of the devices supported by this programmer with this adapter:
Adapter Connection Table

ChipProg-ISP BH14/BH14 specialized adapter for in system programming of Renesas RL78 family microcontrollers .

Connections to the target devices:

AS-ISP-RL78 connection for the Renesas microconrollers for one-wire UART


Recommended connection:

AS-ISP-RL78 connection for the  Renesas microconrollers for one-wire UART

Powering the target device:
There are two alternative options for powering the targets:
1. The target gets power from the programmer (Vcc). This is possible only if the target does not consume too much energy. A capacity of the target power circuitry should not exceed 50 uF.Checkbox "Vio power" in Algorithm Parameters must be set to "enabled" state.
2. The target gets power from a built-in or external power supply. In this case the power output from the programmer 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.

Isolating resistors:
Purpose of the R1- R2 resistors is to isolate the programmed chip from rest of target system. Recommended value of resistors R1- R2 is 2k or more. You can also use jumpers instead of the resistors.

ISP characteristics:
1. Programmer''s output capability:
1.1 Vcc - 80 mA;
1.2 logical pins - 5 mA.
2. The cable length should be less then one foot.

Adapter Connection Table:


Adapter connection table: