DESCRIPTION
The LU850425 is a CMOS 8-bit single-chip microcomputer for CCD digital camera systems which include a CDS/AGC IC (IR3Y38M), a DSP IC (LR38266), a timing generator IC (LR38578), and this microcomputer IC.

FEATURES
• Auto exposure control (electronic exposure and mechanical exposure)
• Auto carrier balance tuning
• Auto white balance control
• In combination with an external controller
   (personal computer), functions below can be
   controlled (see "Serial Control Interface" in
   FUNCTIONAL DESCRIPTION)
   ① Switchable :
      AGC/ON/OFF
      Auto white balance/AUTO/PRESET
      Aperture enhancement/ON/OFF
      Back light compensation/ON/OFF
      GAMMA correction/ON/OFF
   ② Electronic shutter speed selection :
      Auto E/E [1/60 (1/50) to 1/70 000 s] or fixed E/E
      [1/60 (1/50), 1/100 (1/60), 1/250, 1/500, 1/1 000,
      1/5 000 and 1/10 000 s]
      ( ) = PAL mode
• Switchable between NTSC and PAL modes
• Single +3.3 V power supply
• Package :
   100-pin LQFP (LQFP100-P-1414) 0.5 mm pin-pitch