STW4820 Datasheet, PDF (4/7 Pages) STMicroelectronics – Mixed-signal multimedia and power management IC

STw4820
1.4
TVout
● 27 MHz PLL
● YCbCr 4:2:2 8-bit input format
● CVBS output
● TV standards supported
– PAL B, D, G, H, I, N, Nc, M
– NTSC M, J, 4.43
● Macrovision 7.1.L.1
● TV/VCR plug insertion detection
1.5
General-purpose analog digital converter
● Touch screen interface
– supports 4 and 5-wire resistive touch screen
– supports joystick (exclusive with touch screen)
● Main battery monitoring
● Backup battery monitoring
● Two auxiliary inputs
● Two accessory detection inputs
1.6
Clock management
● 32 kHz oscillator with RTC
● System clock oscillator (38.4, 26, 19.2 MHz supported)
● System clock and 32 kHz clock distribution
1.7
Miscellaneous
● ON/OFF key driver
● Temperature shutdown
● SPI interface for control
● Dedicated I2C bus for Vcore1 dynamic voltage control
● Backup battery control and charge
Overview
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