HITEC SERVO D Series - 1-4 External Users Signal Transceiver; 1-4.1 TTL Communication Circuit; 1-4.2 RS-485 Communication Circuit

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D series SERVO(TTL/RS485) Protocol Manual
Rev 1.06EN HITEC RCD, INC.
1-4 External User’s Signal Transceiver
Please refer to the manual below when you use a separate controller without using DPC-11.
TTL Communication Circuit
Please configure a Half duplex circuit.
⚫ MCU_TXD must be low when reading SERVO data.
<Circuit example using transistors>
<Circuit example using FET>
RS-485 Communication Circuit
Please configure RS-485 transceiver circuit.
<Circuit example using RS-485 transceiver IC>