Video
Video Surveillance/Security Applications
DDR2 Memory
(Optional)
Analog Video Decoders
8 CVBS Inputs
8x Composite NTSC/PAL
1 Input/Decoder
10-bit A/Ds
5-line Comb Filters
Optimized for Low-level Inputs
and Line-locked Cameras
Independently Scaleable
BT.656/VIP2.0
DDR2 Interface
(Optional)
16-bit Data DDR2
Required for
Frame-Interleaving
and Tiling
Configurable:
4x BT.656 @
27, 54 and 108 MHz;
Byte, Line, or
Frame-interleaved
Digital Video I/O
Data1[7:0], Clk1
Data2[7:0], Clk2
Data3[7:0], Clk3
Data4[7:0], Clk4
Mux-able I
2
S
I
2
S 16-bit @
8, 16, 32, 44.1, or 48 KHz;
Multiplex-able
Digital Audio I/O
Mux-able I
2
S
Mux-able I
2
S
Mux-able I
2
S
8 Mono
Basedband
Audio Inputs
Broadband Audio A/Ds
8x Mono (4x Stereo)
Luma-Based
Motion Detection
(x8)
PLL
48 Total GPIO Pins
I
2
C Control Pins
Interrupts
GPIOs
I
2
C
Motion and Board
Level Interrupts
External Crystal
CX25838 Block Diagram
The CX25838-1x (contains DDR2 interface) is offered in a 23mm x 23mm, 288 pin fpBGA package.
The CX25838-2x (no DDR2 interface) is offered in a 14mm X 14mm, 233 pin fpBGA package.
Conexant Product Portfolio
Conexant’s comprehensive product portfolio includes solutions for imaging, audio, video, and embedded-modem applications.
www.conexant.com
General Information:
U.S. and Canada: (888) 855-4562
International: 1+ (949) 483-3000
Headquarters
4000 MacArthur Blvd.
Newport Beach, CA 92660
Doc# PBR-202314
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