1Specification: The ISP to JTAG converter board is suitable for RT809H programmer, MCU TMS320F28035 fast read and write chip, and is commonly applied in variable frequency air conditioners. 2Reading and Writing: Supports reading and writing of hex and bin files without the need for manual conversion. Supports offline reading and writing, with a total write and verify time of 18 seconds. 3Functions Modes: This ISP to JTAG adapter board supports mass production mode, enables counting mode, and fast chip writing, which can be directly connected to the air conditioning board. 4Easy Connection: The voltage of the ISP transfer JTAG board is DC515V, equipped with connecting cable, easy to connect and use, and widely applied in variable frequency air conditioning. 5Compact Design: This ISP to JTAG converter board has a compact size and lightweight design, making it convenient to use and carry, without increasing device burden after installation. 1 x ISP to JTAG Board 1 x Connection Cable