Since the launch of the RV1106 in 2022, Rockchip adjusted the specifications of this model in the second half of 2024 and subsequently introduced the RV1106B series with varying memory capacities. This series includes up to five models, each with slight differences in specifications and varying applications in different product domains. This article will provide a detailed explanation of the specifications for all models in the RV1106 series.
The RV1106 includes the following models.
RV1106G2, RV1106G3, RV1106BG1, RV1106BG2, RV1106BG3.
Parts with the same specifications
CPU: The CPU is the same, both are single-core ARM Cortex-A7 with a maximum frequency of 1.2GHz.
MCU:
The co-processors are both 2 RISC-V MCUs.
ISP: Both are equipped with an 8M ISP, but due to differences in the built-in DDR specifications and sizes, there will be variations in performance.
The following is an example of the performance difference between the G1 with built-in 512Mb DDR2 and the G2 with built-in 1Gb DDR3L, both equipped with the same 8M ISP.
RV1106BG1: 4M@30fps
5M@25fps
2M@20fps x 2
3M@15fps x 2
RV1106BG2: 5M@30fps
4M@20fps x 2
5M@15fps x 2
4K@20fps
RGA:
Both RV1106 and RV1106B support the RGA (Raster Graphic Acceleration) 2D image processing accelerator.
Encoder:
RV1106 and RV1106B encoders have the same performance, supporting up to 4M15.
Please note that the RV1106 series does not have a built-in decoder.
RTC:
Both RV1106 and RV1106B have a built-in RTC.
SDIO:
Both RV1106 and RV1106B have an SDIO interface, compatible with SDIO 3.0, with a data width of 4 bits. They can be connected to a WiFi chip or used as an SD card interface.
I2C: Both RV1106 and RV1106B have 5 sets of I2C controllers.
USB Interface: Both RV1106 and RV1106B have one USB 2.0 OTG.
The part about specification differences
Display output interface (Video out):
RV1106 supports RGB888 and SPI.
RV1106B is downgraded to only support SPI interface MCU screen.
VOP:
RV1106 supports a maximum screen resolution of 480P.
RV1106B downgraded to 320x240.
Ethernet:
The RV1126 network interface is 10/100 MAC RMII with a built-in PHY.
RV1126B has been downgraded, and the network interface has been removed.
0.5T NPU:
RV1106 int8/16
RV1106B int8 only
DDR capacity and specifications:
RV1106G2 1Gb (128MB) DDR3L
RV1106G2 2Gb (256MB) DDR3L
RV1106BG1 512Mb (64MB) DDR2
RV1106BG2 1Gb (128MB) DDR3L
RV1106BG3 2Gb (256MB) DDR3L
Flash interface support:
RV1106 supports SPI Nor/eMMC 4.51 4-bit data width.
RV1106B not only supports the aforementioned FLASH specifications but also supports Nand Flash.
Video in:
The RV1106 video input interface supports 2x2lane MIPI CSI DPHY 1.5Gbps Rx and LVDS, allowing connection to MIPI/LVDS cameras or MIPI CSI Tx/LVDS signals from other ICs.
It can be split into 2x2 lanes to support dual cameras or combined into 4 lanes for use.
RV1106B, due to its downgraded specifications, only supports the MIPI CSI interface and has removed the LVDS interface.
IVE:
The RV1106 supports the IVE (Intelligent Video Engine) graphics analysis acceleration module.
RV1106B has canceled IVE.
Audio codec:
The RV1106 has 2 ADCs and 1 DAC.
The RV1106B has only one ADC and one DAC each.
SPI:
RV1106 has two sets of SPI interfaces.
The RV1106B has only one controller but supports two CS.
GPIO:
RV1106 has 77 GPIOs.
RV1106B has only 86 GPIOs.
PWM:
RV1106 has 12 PWM channels.
The RV1106B has only 3 PWM groups.
UART:
The RV1106 has 6 UARTs.
The RV1106B has only 3 UARTs.
Package:
RV1106 has a different packaging size compared to RV1106.
RV1106 is QFN128 (Body: 12.3mm x 12.3mm, pitch 0.35)
The RV1106B is a QFN88 (Body: 9mm x 9mm, pitch 0.35) and is smaller than the RV1106.
Although the RV1106B and RV1103 have the same dimensions, they are not pin-to-pin compatible with the RV1103.
Application:
- RV1106 does not support Pre-Roll, only RV1106B supports Pre-Roll.
- The RV1106B has higher specifications than the RV1106 in terms of early warning monitoring, and its AOV utilizes second-generation AOV technology.
- Another major advantage of the RV1106B is that a single chip can support Pre-Roll.
Recommended applications for the RV1106 series:
- The RV1106 features fast startup speed and low power consumption.
- The OS adopts a Linux + RTOS solution, and the first frame can be captured within 100ms.
The RV1126B adopts the second-generation AOV solution, offering better maturity and lower power consumption.
- Industry-leading AOV power consumption
- Supports binocular AOV
- Supports AI-ISP, automatically adjusts lighting strategy at night.
- Supports AI human-vehicle differentiation, saving PIR.
- In the case of 1 frame per second (image capture + encoding + AI detection), it only takes 60ms with a power consumption of 28mW.
Pre-Roll technology can be used in products such as video doorbells, smart locks, and battery-powered IPCs. This technology enables the products to support continuous rolling recording with ultra-low power consumption, allowing them to capture video footage from before an event is triggered.
- Ultra-low power consumption: 640x360@1fps: SoC+Sensor+PSRAM 4.89mW
- Built-in low-power MCU eliminates the need for an external MCU, reducing system complexity.
- Paired with super-resolution algorithms, it enables clear image quality.
Good photography performance in low light conditions.
- RK delivers better motion clarity for moving objects, with no trailing or ghosting effects. The contours are sharper, and the color performance is improved.
- The overall exposure of the RK image is more reasonable.
- RK dark area noise level is lower.
Supports RK AI algorithm RKIVA
- The Intelligent Video Analysis (IVA) algorithm SDK is primarily designed to provide a series of intelligent analysis algorithms for machine vision applications such as IPCs, NVRs, smart doorbells, robots, and video conferencing.
- Supports RK AUDIO algorithm
AI-Audio AI-NR
- Function: AI-NR can accurately identify human voices, effectively suppress noise, and significantly reduce interference from external noise.
- Application: Recording, Two-way communication
Support AI-audio sound event detection
- Function: Perceive the surrounding sound scene, identify and classify various sound sources, and detect the presence of target sound events in a continuous audio stream.
- Maximum delay: Cry detection/Alarm detection 2s, Glass break detection 0.6s
- Single detection accuracy: Cry detection/Alarm detection > 99%, Glass break detection > 90%
AI audio howl suppression, specific noise suppression
- Function: Suppress acoustic feedback caused by positive feedback between the speaker and the microphone.
- Application: Close-range app live streaming, intercom
- Can eliminate specific noise
- Office environment (keyboard sounds, air conditioning noise, footsteps, etc.)
- Outdoor scenes (horn sounds, wind sounds, etc.)
AI-Audio Voice Wake-up, Keyword Recognition
- Voice wake-up: A wake-up word is pre-set in the device, and when the user issues the voice command, the device is awakened from its sleep mode.
- Keyword recognition: Detecting words or phrases in audio streams and responding accordingly, significantly enhances the efficiency of human-computer interaction.
- Voice Wake-up:
- Supports wake-up in both Chinese and English, and supports customization.
- Average wake-up rate > 95%
- Supports CPU/NPU/DSP platforms
- Keyword identification:
- Supports dozens to hundreds of keywords (depending on the network size)
- Average recognition rate > 95%
- Supports CPU/NPU/DSP platforms
Block Diagram:
