TTP224B - TONTEK

TTP224B 4 keys Touch Pad Detector IC

Key-on & timing control TOG AHLB OD SM Pad NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Pad Name TP0 TP1 TP2 TP3 AHLB VDD VREG TOG LPMB MOT1 MOT0 VSS REGEN OD SM TPQ3 TPQ2 TPQ1 TPQ0 Type I/O I/O I/O I/O I-PL P P I-PL I-PL I-PH I-PH P I-PH I-PH I-PH O O O O Pad Description Touch pad input pin Touch pad input pin Touch pad input pin Touch pad input.

Features

1 0 Direct mode, CMOS output active high 1 1 Direct mode, CMOS output active low 0 0 Direct mode, Open drain output active high 0 1 Direct mode, Open drain output active low 1 0 Toggle mode, CMOS output, Power on state=0 1 1 Toggle mode, CMOS output, Power on state=1 0 0 Toggle mode, Power on state high-Z, Active high 0 1 Toggle mode, Power on state high-Z, Active low Remark Default Ⅲ. Key operating mode（By SM pad option） The TTP224B has the Single-key and Multi-key functions by SM pad option SM Option features Remark 1 Multi-key mode Default 0 Single key mode Multi-key mode：.