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W99681CF Datasheet, PDF (9/78 Pages) Winbond – JPEG USB Dual Mode Camera Chip
W99681CF
q Video Output
• Video output can be either compressed bit stream or original video
• Compressed bit stream is fully compliant with ISO baseline JPEG standard in YCbCr4:2:2 or
YCbCr4:2:0 non-interleaved scan
• Original video output can be in YCbCr4:2:2 or YCbCr4:2:0 packed format
q DRAM Interface
• Supports SDRAM or 1-cycle EDO DRAM
• Supports SDRAM Self Refresh
• Supports 16-bit DRAM interface in 0.5, 1, 2 or 4 Mbytes configuration
q Serial EEPROM Interface
• Supports optional 1K (128×8) serial EEPROM for IHV-specific Vendor ID and Product ID
q Supports Hardware and Software Snap Shot
q Supports 8-bit Microcontroller Interface for Portable PC Camera Applications
q Built-in PLL (Phase-Locked Loops) Clock Synthesizer
q Operating Frequency is 48 MHz with Video Input Frequency of 13.5 MHz (typical)
q 3.3 V Device with TTL-compatible 3.3 V or 5.0 V I/O
q 128L QFP Package
Publication Release Date: March 2000
-9-
Revision A1