Version 1.1, October, 2017

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

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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

miscellaneous

- dedicated JTAG interface

- embedded power switches to

control power domains

- embedded PLLs

- embedded USB PHY

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Product Features (continued)

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OV00798-B56G-1C

(lead-free, 256-pin BGA)

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OV00798-U96G-2C

(lead-free, 196-pin BGA)

Ordering Information

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Battery Doorbell

Battery IPC

¬ Battery Home Automation Cameras

Applications

OV798

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

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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power requirements:

- active (256-pin): 380 mW

(measured at 1080p @ 30 fps)

- active (196-pin): 430 mW

(measured at 1080p @ 30 fps)

package dimensions:

- 256-pin: 11 mm x 11 mm

- 196-pin: 9.5 mm x 9.5 mm

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Product Specifications

power supply:

- core: 1.1V

- 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

temperature range:

- commercial grade operational

temperature: -30°C to +85°C

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host interfaces (196-pin only)

– two UART interfaces

– three serial interfaces

(multiplexed with other functions)

storage interfaces

- storage I/O peripheral interface

- NAND flash interface

USB host

- USB2.0 HS/FS host controller

USB device

- USB2.0 HS/FS device controller

- supports UVC video class

- supports mass storage class

audio CODEC and audio engine

- built-in 16-bit mono audio ADC and

20-bit mono audio DAC

- supports external audio CODEC

through two audio serial interfaces

for full duplex audio functions

- embedded audio engine for audio

recording and playback

- supports various audio formats

security engine

- supports AES/DES/

3DES encryption/decryption

display interface

- 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

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Product Features

general features

- highly integrated low power and fast

boot up video processor

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

image signal processor

- 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

- lens distortion and prospective correction

- defective pixel correction

- mirror, flip and rotation

- supports up to 4X digital zoom

- 3D/2D de-noise filter

- RGB-Ir processing

- HDR processing

video engine

- supports single video recording with a

maximum resolution of up to 1080p

(1920x1080)

- 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

still picture

- supports still picture capture up to 16MP

- supports still picture compression

Functional Block Diagram

OV798

camera

interface

peripheral interface

display

interface

memory bus

system bus

MIPI RX

DVP

SRAM

DDR

MIPI TX

DVP

memory

controller

ISP

image

encode

video

encode

IS

DS

DMA

cortex A5

arbiter

JTAG

serial

interface

USB

NAND

flash

audio

interface

storage

card IF

SCCB