
Sharp Electronics
DESCRIPTION
The LR38666Y is a CMOS digital signal processor for color digital still camera systems of 1 310 k/ 2 140 k/3 300 k/3 370 k/4 200 k-pixel CCDs with primary color mosaic filters.
FEATURES
• ARM7TDMI is used as the CPU core
• CCD signal processor modules
– Supported image size : 1 310 k/ 2 140 k/3 300 k/
3 370 k/4 200 k pixels
– R, G and B primary color mosaic filters :
Bayer matrix, 10 bits per color
– Built-in auto focus, auto exposure and auto
white balance functions
– Built-in digital clamp and gamma correction
functions
• Video encoder module
– Composite analog signal output mode :
Switchable between NTSC and PAL
– Built-in OSDC function
• JPEG encoding/decoding module :
Built-in circuits for encoding and decoding
– Encoding rate : Max. 66 ms per frame
(for 1/10-compression in VGA mode)
– Decoding rate : Max. 66 ms per frame
(for decompression in VGA mode)
(Assuming that SDRAM is used and the internal
bus is occupied by the JPEG module)
• SDRAM/flash memory controller module
• Synchronous/asynchronous SIO
• USB 1.0 is supported
• General purpose I/O ports
• Built-in audio I/F
• Built-in resizing function
• Built-in CompactFlash I/F
• Built-in SmartMedia I/F
• Power supplies
– +2.5 V for digital/analog circuits
– +3.3 V for digital circuits
• Package : 240-ball CSP (T-TFBGA240-1414)