Maybe the english datasheet comes handy [TM1651_V1.1_EN.pdf](https://github.com/mworkfun/TM1651/files/10512899/TM1651_V1.1_EN.pdf) http://aitendo3.sakura.ne.jp/aitendo_data/product_img/ic/LED-driver/TM1651_%20V1.2/TM1651_V1.1_EN.pdf
Maybe the english datasheet comes handy
TM1651_V1.1_EN.pdf
http://aitendo3.sakura.ne.jp/aitendo_data/product_img/ic/LED-driver/TM1651_%20V1.2/TM1651_V1.1_EN.pdf