Rev. 1.10

ii

�a� 1�� �011

Rev. 1.10

1

�a� 1�� �011

HT16K33

RAM Mapping 16*8 LED Controller Driver with keyscan

Ke� matrix combination with �0 pin package.........................................................................�4

I2C Serial Interface....................................................................................................... 25

Data validit�............................................................................................................................�5

START and STOP conditions.................................................................................................�5

B�te format.............................................................................................................................�5

Acknowledge ............................................................................................................... 26

Slave Addressing ...................................................................................................................��

Write Operation............................................................................................................ 28

B�te write operation ...............................................................................................................�8

Page write operation ..............................................................................................................�8

Read Operation............................................................................................................ 29

B�te read operation................................................................................................................�9

Page read operation...............................................................................................................�9

Command Summary ................................................................................................... 30

HT16K33 operation flow chart................................................................................................3�

Application Circuit ...................................................................................................... 34

LED Matrix Circuit ....................................................................................................... 37

Package Information ................................................................................................... 38

�0-pin SOP (300mil) Outline Dimensions ..............................................................................38

�4-pin SOP (300mil) Outline Dimensions ..............................................................................39

�8-pin SOP (300mil) Outline Dimensions ..............................................................................40

Reel Dimensions....................................................................................................................41

Carrier Tape Dimensions........................................................................................................4�