AN32055A - 7 x 7 Dots Matrix LED Driver LSI
AN32055A is a 6-ch LED driver for LCD backlights, and a driver for LED matrix.
They supply voltage by step-up DC/DC converter.
APPLICATIONS * Mobile Phone * Smart Phone * PCs * Game Consoles * Home Appliances etc.
TYPICAL APPLICATION LED 24 2 Battery 100 4.7 H BLS [ 2ch ]
AN32055A Features
* 7 x 7 LED Matrix Driver (Total LED that can be driven = 49)
* Built-in memory (ROM and RAM)
* Step-up DC/DC converter
* LDO : 2-ch
* GPIO : 2-ch
* GPI : 3-ch (3pins from GPI1 to GPI3 are in common with SPI2)
* GPO : 2-ch
* SPI Interface : 2-ch (SPI2 is
