PAC7312CS Datasheet PDF - Pixart Imaging Inc.

General Description
   The PAC7312 is a single chip with an embedded VGA CMOS image sensor and USB 1.1 interface. It has JPEG image compression and image processing. The generic application is a PC camera. JPEG decoder and auto exposure are performed by software in PC side. And the optical size is 1/4” which can easily be embedded in LCD monitors, notebooks or PDA. It also provides high quality audio sampling function for sound recording. The audio function complies with USB audio device class 1.0.

FEATUREs
● VGA resolution, ~1/4”Lens
● Frame rate up to 30fps at following resolution format
   ◾ VGA format (640x480) with JPEG compression
   ◾ CIF format (352x288) with JPEG compression
   ◾ QVGA format (320x240) with JPEG compression
   ◾ QCIF format (176x144) without compression
   ◾ QQVGA format (160x120) without compression
● RGB Bayer’s pattern raw data
   ◾ Up to 3fps @VGA format (640x480)
   ◾ Up to 12fps @CIF format (352x288)
   ◾ Up to 12fps @QVGA format (320x240)
   ◾ Up to 30fps @QCIF format (176x144)
   ◾ Up to 30fps @QQVGA format (160x120)
● Standard JPEG compression engine comply to ISO/IEC
   10918-1(JPEG)
● AEC/AGC/AWB automatic
● 4 IO-trapping pins to set USB PID
● Support USB suspend mode
● Support video data transfer through USB isochronous
   transfer
● Snapshot control through USB interrupt pipe
● USB Vendor ID, Product ID, device release number and
   the string descriptor index via a serial EEPROM
   (93C46) or by metal mask
● Complete Universal Serial Bus® spec V1.1
   compatibility
● Built in 8bits mono audio ADC for audio recording
   through microphone, 16KHZ sampling rate, 8/16bits
   PCM format
● USB audio device class 1.0 compatibility