HT37B90/HT37B70/HT37B50/HT37B30
Analog Switch
There are 8 analog switch lines in the microcontroller for K0~K7 for HT37B90/70/50/30 and the Analog Switch control
register, which is mapped to the data memory. All of these Analog Switch lines can be used for touch key input keys.
Analog Switch Control Register - ASCR
Analog Switch
Rev. 1.00
52
June 22, 2017