cx25840 Conexant Systems, Inc., cx25840 Datasheet - Page 286

• Manufacturer Part Number: cx25840
• Description: Video Decoder And Broadcast Audio
• Manufacturer: Conexant Systems, Inc.

pin strap option
pixel output format
PLL
power down
Q
quick start audio . . . . . . . . . . . . . . . . . . . . . . 3-108
quick-start video . . . . . . . . . . . . . . . . . . . . . . . 3-80
R
register
registers
Index-4
I/O pad ring ground
I/O pad ring power
I/O pin configuration
infrared remote control receive input
infrared remote control transmit output
internal PLL power decoupling node
interrupt output
least significant video data bits
negative input of single-to-differential converter
output pad ring power, PLL_CLK/PRGM7 pad
Pb signal input to ADC2 or luma
pin strap option
pixel clock
power-down
Pr signal input to ADC2 or luma
regulator in
regulator out
routing
serial audio bit clock
serial audio data input
serial audio data output
serial audio word/framing clock
serial communications clock
serial communications data
serial communications mode chip select
shared PLL ground
sound IF signal input to ADC2 or Luma
test
video data
video timing control
VIP host address/data bit 0
VPI host address/data bit 1
VRESET
at power-up reset
embedded timing codes
setting up for 10-bit sample widths
setting up for 8-bit sample widths
SPI-coded video
auxiliary
programming
video decoder
sleep mode
addressing
audio
AC’97 codec control 5-129
analog and NICAM demod 5-108
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
. . . . . . . . . . . . . . . . . . . . . . . . . 2-5
. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64
. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
. . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
. . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
. . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
. . . . . . . . . . . . . . . . . . . . . . . . . 3-66
. . . . . . . . . . . . . . . . . . . . . . . . . 2-4
. . . . . . . . . . . . . . . . . . . . . . . . . 2-2
. . . . . . . . . . . . . . . . . . . . . . . . 3-80
. . . . . . . . . . . . . . . . . . . . . . . 3-76
. . . . . . . . . . . . . . . . . . . . . . . 3-76
. . . . . . . . . . . . . . . . . . . . . . . 2-4
. . . . . . . . . . . . . . . . . . . . . . . 2-3
. . . . . . . . . . . . . . . . . . . . . . 1-3
. . . . . . . . . . . . . . . . . . . . . 1-5
. . . . . . . . . . . . . . . . . . . . 2-2
. . . . . . . . . . . . . . . . . . . . 2-2
. . . . . . . . . . . . . . . . . . . . 2-2
. . . . . . . . . . . . . . . . . . . . 2-3
. . . . . . . . . . . . . . . . . . 3-72
. . . . . . . . . . . . . . . . . . . 2-4
. . . . . . . . . . . . . . . . . . 2-4
. . . . . . . . . . . . . . . . . 2-4
. . . . . . . . . . . . . . . . . 1-3
. . . . . . . . . . . . . . 2-3
. . . . . . . . . . . . . . 2-3
. . . . . . . . . . . . . . 2-3
. . . . . . . . . . . . . . 2-3
. . . . . . . . . . . . 2-3
. . . . . . . . . . . . 2-4
. . . . . . . . . . . 2-1
. . . . . . . . . . . 2-1
. . . . . . . . . . 1-3
. . . . . . . . . 1-3
. . . . . . . . 2-3
. . . . . . . . 2-2
. . . . . . 2-3
. . . . . . 2-1
. . . . . 2-3
,
. 2-2
Conexant
2-1
2-6
S
sample rate converter
saturation
scaling
SECAM
signals
single-to-differential amplifier
chip configuration space
configuring registers
map
serial communications host
types
user-programming
video decoder core
VIP communications host
controlling PLL
controlling video PLL pixel clock
enabling multiple pixel rates
internal FIFO
monitoring input source horizontal timing
pixel sample rates
programming device for decoding video
source locked pixel clock generation
SRC, video PLL
tracking timing fluctuations
vertical sync detection
adjustments
effects on SPI
formats
horizontal
horizontal chroma
horizontal luma
interpolation filter tap selection
programming number of vertical taps
resolutions
vertical
preprocessing
routed to any pin in a common list
DC restoration
embedded microcontroller configuration 5-
advanced diagnostic 5-91
autoconfiguration parameters 5-85
basic user settings 5-63
soft reset control . . 5-98
VBI slicer configuration 5-68
synchronization FIFO 3-22
block diagram . . . . 3-35
determining the ratio 3-36
interpolating value of scaled pixel 3-35
polyphase interpolation 3-35
diagram . . . . . . . . 3-38
block diagram . . . . 3-37
determining ratio . 3-37
filter . . . . . . . . . . . 3-38
tap selection . . . . . 3-39
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3
. . . . . . . . . . . . . . . . . . . . . . . . 1-3
. . . . . . . . . . . . . . . . . . . . . . 1-3
. . . . . . . . . . . . . . . . . . . . . . . . .3-36
100
. . . . . . . . . . . . . . . . . . . . . . . . .1-2
. . . . . . . . . . . . . . . . . . . . . . . .3-31
. . . . . . . . . . . . . . . . . . . . . . .3-41
. . . . . . . . . . . . . . . . . . . . . . .3-29
. . . . . . . . . . . . . . . . . . . . . . . .3-2
. . . . . . . . . . . . . . . . . . . . . . .1-2
. . . . . . . . . . . . . . . . . . . . . .3-21
. . . . . . . . . . . . . . . . . . . . . . .1-3
. . . . . . . . . . . . . . . . . . . .3-66
. . . . . . . . . . . . . . . . . . . .3-21
. . . . . . . . . . . . . . . . . . . . .1-3
. . . . . . . . . . . . . . . . . . .5-50
. . . . . . . . . . . . . . . . .5-133
. . . . . . . . . . . . . . . . .3-22
. . . . . . . . . . . . . . . .5-16
. . . . . . . . . . . . . . .5-14
. . . . . . . . . . . . . .5-13
. . . . . . . . . . . . . . .1-2
. . . . . . . . . . . . . .1-2
CX25840/1/2/3 Data Sheet
. . . . . . . . . .3-21
. . . . . . . . . .2-5
. . . . . . .3-38
. . . . . .1-2
. . . . .1-2
102284B
,
,
8/3/05
3-35
3-35