https://detail.tmall.com/item.htm?id=608821542489&ut_sk=1.YQ5qR5EunYQDAGcswWUaYJAm_21380790_1645025705879.Copy.ShareGlobalNavigation_1&sourceType=item&suid=5126BB92-305B-45E6-8276-4172EC31002C&un=8a0a0fd7954c2f6e4c6e4bed9157ce66&share_crt_v=1&un_site=0&spm=a2159r.13376460.0.0&tbSocialPopKey=shareItem&sp_tk=N1NJYzJlWjE5Qlo=&cpp=1&shareurl=true&short_name=h.flQxYcG&bxsign=scd65TMfrhTLdTfSFZEA2TIorerOMUxRkGPXq1CP3M21S-rVCWvUVwd-K7-LDjMP5iVdFbrvI-pqNh1QUjfy_74ZmHByWfWWbQkQ35VzPBYR0iP51drxemJkdDVH4TmnTfC&tk=7SIc2eZ19BZ%E3%80%8CFT232H/FT2232HL%E6%A8%A1%E5%9D%97USB%E8%BD%ACFIFO/SPI/I2C/JTAG/RS232%E4%B8%B2%E5%8F%A3%E6%A8%A1%E5%9D%97/%E9%AB%98%E9%80%9F%E3%80%8D&app=chrome# https://ftdichip.com/wp-content/uploads/2020/08/AN_110_Programmers_Guide_for_High_Speed_FTCJTAG_DLL-1.pdf Read PWM Pins reference : https://ftdichip.com/wp-content/uploads/2020/07/AN_184-FTDI-Device-Input-Output-Pin-States.pdf