Datasheet

Rev. 1.10 ii May 16, 2011 Rev. 1.10 1 May 16, 2011
HT16K33
RAM Mapping 16*8 LED Controller Driver with keyscan
Key matrix combination with 20 pin package .........................................................................24
I
2
C Serial Interface ....................................................................................................... 25
Data validity ............................................................................................................................25
START and STOP conditions .................................................................................................25
Byte format .............................................................................................................................25
Acknowledge ............................................................................................................... 26
Slave Addressing ...................................................................................................................26
Write Operation............................................................................................................ 28
Byte write operation ...............................................................................................................28
Page write operation ..............................................................................................................28
Read Operation ............................................................................................................ 29
Byte read operation ................................................................................................................29
Page read operation ............................................................................................................... 29
Command Summary ................................................................................................... 30
HT16K33 operation ow chart ................................................................................................ 32
Application Circuit ...................................................................................................... 34
LED Matrix Circuit
....................................................................................................... 37
Package Information
................................................................................................... 38
20-pin SOP (300mil) Outline Dimensions ..............................................................................38
24-pin SOP (300mil) Outline Dimensions ..............................................................................39
28-pin SOP (300mil) Outline Dimensions ..............................................................................40
Reel Dimensions
....................................................................................................................41
Carrier Tape Dimensions
........................................................................................................ 42