Applications
OV798
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Battery Doorbell
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Battery Home Automation Cameras
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Battery IPC
Ordering Information
Product Features
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OV00798-B56G-1C
(lead-free, 256-pin BGA)
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OV00798-U96G-2C
(lead-free, 196-pin BGA)
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general features
- highly integrated low power and fast
boot up video processor
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host interfaces (196-pin only)
– two UART interfaces
– three serial interfaces
(multiplexed with other functions)
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camera interfaces
- MIPI one 4-lane, two 2-lane or
four 1-lane receiver
- 10-bit RAW RGB (or 8-bit YUV DVP
input - in 256-pin only)
- supports up to 16MP image sensor
- SCCB master to access image sensor
storage interfaces
- storage I/O peripheral interface
- NAND flash interface
Product Features (continued)
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embedded dual microcontrollers
- main ARM® Cortex® A5 MCU
- supports 32 kB instruction cache and
32 kB data cache
- secondary 32-bit RISC MCU
- supports 8 kB instruction cache and
8 kB data cache
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general purpose I/O (GPIO)
- flexible GPIO capability
for most of the I/O pins
- 12 dedicated GPIOs equipped with
interrupt capabilities
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USB host
- USB2.0 HS/FS host controller
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image signal processor
USB device
- dual sensor 10-bit raw to YUV processing
- adjustable AEC/AGC, AWB and auto focus
- color correction/adjustment, gamma
correction and contrast adjustment
- digital effects
- 16x16 zone lens shading correction
and online color shading correction
- USB2.0 HS/FS device controller
- supports UVC video class
- supports mass storage class
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miscellaneous
- dedicated JTAG interface
- embedded power switches to
control power domains
- embedded PLLs
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DDR-SDRAM controller (256-pin only)
- supports DDR2/LPDDR2 16 bits wide
- supports DDR3 16 bits wide
- built-in DDR PHY which supports
various internal DDR memories
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audio CODEC and audio engine
- built-in 16-bit mono audio ADC and
20-bit mono audio DAC
- embedded USB PHY
- lens distortion and prospective correction - supports external audio CODEC
- defective pixel correction
- mirror, flip and rotation
- supports up to 4X digital zoom
- 3D/2D de-noise filter
- RGB-Ir processing
through two audio serial interfaces
for full duplex audio functions
- embedded audio engine for audio
recording and playback
- supports various audio formats
- HDR processing
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security engine
- supports AES/DES/
3DES encryption/decryption
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video engine
Product Specifications
- supports single video recording with a
maximum resolution of up to 1080p
(1920x1080)
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power supply:
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power requirements:
display interface
- core: 1.1V
- active (256-pin): 380 mW
(measured at 1080p @ 30 fps)
- active (196-pin): 430 mW
(measured at 1080p @ 30 fps)
- supports dual video stream recording
with one 1080p (1920x1080) stream
and one 720p (1280x720) stream
- rate control to support various and
constant bit rates
- flexible motion detection with
8 windows of ROI
- supports MIPI two-lane transmitter
up to 1080p
- supports 8-bit or 16-bit DVP output
(256-pin only)
- supports HDMI and BT1120 digital
output (256-pin only)
- supports on-screen-display (OSD)
and scaling functions
- analog: 2.5V/3.3V
- DDR I/O: 1.2V (LPDDR2) ( / 1.35V
(DDR3L) /1.5V (DDR3) 256-pin only)
- I/O: 1.8V/3.3V
- PLL: 1.8V
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package dimensions:
- 256-pin: 11 mm x 11 mm
- 196-pin: 9.5 mm x 9.5 mm
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temperature range:
- commercial grade operational
temperature: -30°C to +85°C
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still picture
- supports still picture capture up to 16MP
- supports still picture compression
Functional Block Diagram
DDR
camera
interface
SRAM
OV798
display
interface
MIPI RX
DVP
MIPI TX
DVP
memory
controller
image
encode
video
encode
ISP
memory bus
system bus
peripheral interface
DMA DS
IS
storage
card IF
SCCB
USB
cortex A5
audio
interface
NAND
flash
serial
interface
JTAG
arbiter
OmniVision reserves the right to make changes to their products or to discontinue any product or
service without further notice. OmniVision and the OmniVision logo are registered trademarks of
OmniVision Technologies, Inc. All other trademarks are the property of their respective owners.
4275 Burton Drive
Santa Clara, CA 95054
USA
Tel: + 1 408 567 3000
Fax: + 1 408 567 3001
www.ovt.com
Version 1.1, October, 2017
