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About Techwell
Techwell designs and sells mixed signal semiconductor solutions for digital video applications.The company's products enable the
conversion of analog video sources to digital form and facilitate the display, storage and transport of digital video, HDTV, and personal
computer display information. Headquartered in San Jose, CA,Techwell currently has over 60 employees in the U.S., Korea, and Taiwan.
Techwell
TW2834 Block Diagram
TW2834
4 Channel Video QUAD/MUX Controller
For Security Applications
Security Surveillance IC Solutions
ITU-R BT656
Decoder
PBCLK
PBIN
VIN0A
VIN0B
MUX
Video
Decoder
Motion Detect
VIN1A
VIN1B
VIN2A
VIN2B
VIN3A
VIN3B
HOST Interface
HSPB
HCSB0
HCSB1
HALE
HRDB
HWRB
HDAT
IRQ Interface
IRQ
Memory Interface
Write
Control
Read
Control
Channel
ID
Encoder
OSD
Box
Mouse
Overlay
4X4
Matrix
VOUTYX
VOUTCX
VDOUTX
Encoder Timing Interface
HSENC
VSENC
FLDENC
LINK
VOUTCY
VDOUTY
VOUTYY
Clock Generator
CLK27ENCX
CLK27ENCY
CLK54I
ADDRY/BA0Y/RASBY/CASBY/WENBY/DQMY/DATAY
ADDRX/BA1X/BA0X/RASBX/CASBX/WENBX/DQMX/DATAX
Channel ID
Decoder
Dual Scaler
MUX
Video
Decoder
Motion Detect
Dual Scaler
MUX
Video
Decoder
Motion Detect
Dual Scaler
MUX
Video
Decoder
Motion Detect
Dual Scaler
Video
Encoder
ITU-R BT656
Encoder
Write
Control
Read
Control
Channel
ID
Encoder
OSD
Box
Mouse
Overlay
4X4
Matrix
Video
Encoder
ITU-R BT656
Encoder
Memory Interface