Datasheet

Rev. 1.10 14 May 16, 2011 Rev. 1.10 15 May 16, 2011
HT16K33
RAM Mapping 16*8 LED Controller Driver with keyscan
●
Key scan period enlargement
COM1/KS0
COM2/KS1
C0M3/KS2
1024 μs
VDD
VSS
VDD
VSS
VDD
VSS
Key scan period
Key data and Slave address are updated
Input status
VDD
VSS
256
μs
ROW0/A2~ROW2/A0
256μs
256μs
VDD
VSS
C0M4~COM6
Hi-Z
Hi-Z
Hi-Z
C0M7
32 μs
32 μs
16 μs
VSS
VDD
VDD
VSS
COM0/AD
Hi-Z
Hi-Z
Hi-Z
Low
High
High
High
High
256μs
Low
Hi-Z
Hi-Z
Hi-ZHi-Z
ROW3/K1~ROW15/K13
Hi-Z
Hi-Z
Note: The ROW/IN combined pin is set to a Row driver output.