TDA4886A Datasheet, PDF (30/52 Pages) NXP Semiconductors – 140 MHz video controller with I2C-bus

Philips Semiconductors
140 MHz video controller with I²C-bus
Product specification
TDA4886A
Table 5 Control register
BIT
PEDST = 0
PEDST = 1
DISO = 0
DISO = 1
DISV = 0
DISV = 1
FPOL = 0
FPOL = 1
BLH2 = 0 BLH1 = 0
BLH2 = 0 BLH1 = 1
BLH2 = 1 BLH1 = 0
BLH2 = 1 BLH1 = 1
FUNCTION
no pedestal blanking
pedestal blanking enabled
OSD signals enabled
OSD signals disabled
video signals enabled
video signals disabled
negative feedback polarity; pins 23, 20 and 17 as external feedback inputs; no external
feedback reference voltages
positive feedback polarity; pins 23, 20 and 17 as external reference voltage outputs;
internal feedback of signal outputs
for positive feedback polarity only: internal feedback reference voltage switched to
approximately 0.75 V
for positive feedback polarity only: internal feedback reference voltage switched to
approximately 1.0 V
for positive feedback polarity only: internal feedback reference voltage switched to
approximately 1.25 V
for positive feedback polarity only: internal feedback reference voltage switched to
approximately 1.5 V
1998 Dec 04
30