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TB-RV1126Ds开发板硬件规格书

系统概述

产品介绍

TB-RV1126Ds开发板是针对瑞芯微RV1126芯片开发的集参考设计、芯片调试和测试、芯片验证一体的硬件开发板，用于展示瑞芯微RV1126芯片强大的多媒体接口和丰富的外围接口，同时为开发者提供基于瑞芯微RV1126芯片的硬件参考设计，使开发者不需修改或者只需要简单修改参考设计的模块电路，就可以完成产品的硬件开发。

芯片架构

瑞芯微RV1126 及 RV1109 是专用于视觉处理的高性能处理器 SoC 可广泛应用于智能门锁、智能门铃、网络摄像头、行车记录仪、游戏互动、网络直播，会议投屏等智能化升级的相关行业 。

RV1126 基于四核arm Cortex A7 32位内核，集成NEON 和 FPU 。RV1109 基于双核 Arm C ortex A7 32 位内核， 集成 NEON 和 FPU 。 每个核心都有一个 32KB I cache 和 32KB D cache 以及 512KB 的共用 二级缓存。 内置 NPU 支持 INT8/INT16 混合操作 ，算力强大 。另外由于其强大的兼容性，很多网络模型如TensorFlow/MXNet/PyTorch/Caffe 等可以很容易地转换 。

图1-1 RV1126 芯片架构

系统框图

TB-RV1126DS开发板采用RV1126为核心芯片，电源系统采用PMIC RK809-2为核心芯片，配合外围的buck、LDO组成。使用DDR4、eMMC和相关的功能外设设备，构成了一个稳定的可量产化的方案

图1-2 系统框图

产品优势

接口丰富：支持Type-C，MIPI CSI，MIPI DSI，BT1120，MIC array。

编码能力强：4K@30fps+1080p@30fps视频编码；4K@30fps视频解码；H264/H265编解码。

支持USB-C DP输入：支持各种电脑、手机、平板、Type-C直接输入，最高支持4K@30fps。

支持QOS：支持ROCKCHIP SKIFF QOS Engine，10%网络丢包率下，4K视频传输不卡顿。

规格参数

表1-1 规格参数表

技术规格
SOC Rockchip RV1126
CPU 四核ARM 32位处理器（Cortex A7）
NPU 支持8bit/16bit运算，
支持TensorFlow、TensorFlow lite、Pytorch、Caffe、Mxnet、Darknet、Onnx模型，运算性能 高达2.0TOPs
VPU 支持：
4K H.264/H.265 30fps 视频编码
-3840 x 2160@30 fps+1080p@30 fps 编码
4K H.264/H.265 30fps 视频解码
-3840 x 2160@30 编码 + 3840 x 2160@30 fps 解码
RGA 支持实时图像缩放、裁剪、格式转换、旋转等功能
内存 2GB DDR4
eMMC 16GB eMMC
音频 1路DP音频输出
1路耳麦，用于音频输出
1路麦克风，板载音频输入
1路8通道I2S，支持麦克风阵列
无线网络 板载WIFI6模块：
支持2.4G/5G WiFi，支持2T2R 802.11 a/b/g/n/ac/ax 协议
Bluetooth5.0
以太网 10/100/1000Mbps以太网 ( Realtek RTL8211F )
摄像头接口 1路MIPI-CSI摄像头接口（最高支持4K）
USB 1路USB2.0 Host(Type-A)接口
1路TypeC 接口（4lanes dp输入+USB2.0 Device）
LED 1路工作状态灯
按键 1路Reset按键 1路自定义按键 1路Recovery按键 1路Maskrom按键
调试串口 1路调试串口（通过TypeC）
扩展接口 8通道I2S接口（支持4mic+回采）
电源 Type-C
系统 支Linux系统
PCB尺寸 89mm×57mm×17mm

硬件设计

产品接口

接口电气特性描述

1、MIPI_TX Interface

pin name Type level description
1 GND OUT MIPI_DSI TX GND
2 MIPI_DSI_D3N OUT MIPI_DSI TX MIPI Tx Date3 line negative
3 MIPI_DSI_D3P OUT MIPI_DSI TX MIPI Tx Date3 line positive
4 GND OUT MIPI_DSI TX GND
5 MIPI_DSI_D2N OUT MIPI_DSI TX MIPI Tx Date2 line negative
6 MIPI_DSI_D2P OUT MIPI_DSI TX MIPI Tx Date2 line positive
7 GND OUT MIPI_DSI TX GND
8 MIPI_DSI_CLKN OUT MIPI_DSI TX MIPI Tx clock line negative
9 MIPI_DSI_CLKP OUT MIPI_DSI TX MIPI Tx clock line positive
10 GND OUT MIPI_DSI TX GND
11 MIPI_DSI_D1N OUT MIPI_DSI TX MIPI Tx Date1 line negative
12 MIPI_DSI_D1P OUT MIPI_DSI TX MIPI Tx Date1 line positive
13 GND OUT MIPI_DSI TX GND
14 MIPI_DSI_D0N OUT MIPI_DSI TX MIPI Tx Date0 line negative
15 MIPI_DSI_D0P OUT MIPI_DSI TX MIPI Tx Date0 line positive
16 GND OUT MIPI_DSI TX GND
17 NC
18 NC
19 NC
20 NC
21 NC
22 NC
23 NC
24 NC
25 NC
26 NC
27 NC
28 NC
29 NC
30 NC

2、BT1120 RX interface

pin name Type level description
1 GND GND GND GND
2 MIPI_CSI_CLK1 OUT 1.8V optional clock output
3 I2C1_SCL OUT 1.8V I2C Clcok
4 I2C1_SDA IN/OUT 1.8V I2C Data
5 GND GND GND GND
6 D15 IN 1.8V BT1120 Rx Data15
7 D14 IN 1.8V BT1120 Rx Data14
8 D13 IN 1.8V BT1120 Rx Data13
9 D12 IN 1.8V BT1120 Rx Data12
10 GND GND GND GND
11 D11 IN 1.8V BT1120 Rx Data11
12 D10 IN 1.8V BT1120 Rx Data10
13 D9 IN 1.8V BT1120 Rx Data9
14 D8 IN 1.8V BT1120 Rx Data8
15 GND GND GND GND
16 D7 IN 1.8V BT1120 Rx Data7
17 D6 IN 1.8V BT1120 Rx Data6
18 D5 IN 1.8V BT1120 Rx Data5
19 D4 IN 1.8V BT1120 Rx Data4
20 GND GND GND GND
21 D3 IN 1.8V BT1120 Rx Data3
22 D2 IN 1.8V BT1120 Rx Data2
23 D1 IN 1.8V BT1120 Rx Data1
24 D0 IN 1.8V BT1120 Rx Data0
25 GND GND GND GND
26 VSYNC IN 1.8V Vsync signal
27 HSYNC IN 1.8V Hsync signal
28 5V Power 5V optional 5V output
29 CLKIN IN 1.8V BT1120 Clock input
30 GND GND GND GND

3、MIPI_CSI camera Interface

pin name Type level description
1 MIPI_CSI_RX0_D3N IN MIPI CSI RX MIPI Rx Date3 line negative
2 MIPI_CSI_RX0_D3P IN MIPI CSI RX MIPI Rx Date3 line positive
3 GND IN MIPI CSI RX GND
4 MIPI_CSI_RX0_D1N IN MIPI CSI RX MIPI Rx Date1 line negative
5 MIPI_CSI_RX0_D1P IN MIPI CSI RX MIPI Rx Date1 line positive
6 GND IN MIPI CSI RX GND
7 MIPI_DSI_CLKN IN MIPI CSI RX MIPI Rx clock line negative
8 MIPI_DSI_CLKP IN MIPI CSI RX MIPI Rx clock line positive
9 GND IN MIPI CSI RX GND
10 MIPI_CSI_RX0_D0N IN MIPI CSI RX MIPI Rx Date0 line negative
11 MIPI_CSI_RX0_D0P IN MIPI CSI RX MIPI Rx Date0 line positive
12 GND IN MIPI CSI RX GND
13 MIPI_CSI_RX0_D2N IN MIPI CSI RX MIPI Rx Date2 line negative
14 MIPI_CSI_RX0_D2P IN MIPI CSI RX MIPI Rx Date2 line positive
15 GND GND GND GND
16 VCC2V8_AVDD Power 2.8V power supply for camera
17 VCC1V8_DOVDD Power 1.8V power supply for camera
18 VCC1V2_DVDD Power 1.2V power supply for camera
19 GND GND GND GND
20 MIPI_CSI_CLK0 OUT 1.8V MCLK OUT for Camera
21 GND GND GND DNG
22 I2C1_SDA IN/OUT 1.8V I2C interface
23 I2C1_SCL OUT 1.8V I2C interface
24 MIPI_CSI_RST0 OUT 1.8V Reset signal for camera

4、24pin Audio/IO Interface

pin name Type level description
1 I2S0_LRCK_RX AUDIO/IO 1.8V I2S Interface
2 I2S0_SDO1/SDI3 AUDIO/IO 1.8V I2S Interface
3 I2S0_MCLK AUDIO/IO 1.8V I2S Interface
4 I2S0_SDI0 AUDIO/IO 1.8V I2S Interface
5 I2S0_SCLK_RX AUDIO/IO 1.8V I2S Interface
6 I2S0_SCLK_TX AUDIO/IO 1.8V I2S Interface
7 NC NC NC NC
8 IR_IN IN 3.3V IR sensor RX input
9 I2S0_SDO3/SDI1 AUDIO/IO 1.8V GND
10 SPKN_OUT_LOOP OUT Analog Speaker out for loop
11 GND GND GND GND
12 SPKP_OUT_LOOP OUT Analog Speaker out for loop
13 I2S0_SDO2/SDI2 AUDIO/IO 1.8V I2S Interface
14 I2S0_SDO0 AUDIO/IO 1.8V I2S Interface
15 I2C3_SCL OUT 1.8V I2C Interface
16 GND GND GND power supply for camera
17 I2C3_SDA IN/OUT 1.8V I2C Interface
18 VCC_3V3 Power 3.3V power supply for MIC Board
19 VCC5V0_SYS GND 5.0V power supply for MIC Board
20 GND GND GND GND
21 VCC_1V8 Power 1.8V power supply for MIC Board
22 VCC5V0_SYS Power 5.0V power supply for MIC Board
23 GND GND GND GND
24 VCC5V0_SYS Power 5.0V power supply for MIC Board

5、CTIA headphone Interface

pin num Pin net Type level description
1 MIC_IN/HOOK In analog mic in/ADC used for Hook
2 HP_SNS GND GND
3 HPR Out analog HP right
7 HPL Out analog HP left
4，6 NC NC NC
5 PHONE_DET_H In 1.8V headphone detect

6、Speaker interface

pin num Pin net Type level description
1 SPKN_OUT Out analog connect SPK,1.3W max
2 SPKP_OUT Out analog connect SPK,1.3W max

7、USB2.0 Host interface

pin num Pin net Type level description
1 5V In/Out USB2.0 host power supply for devices
2 HOST0_DM In/Out USB2.0 host usb2.0 host dm
3 HOST0_DP In/Out USB2.0 host usb2.0 host dp
4 GND In/Out USB2.0 host GND

8、Wifi ANT interface

pin num Pin net Type level description
1 main ANT In/Out RF WiFi RF Tx/Rx
2 Secondary ANT In/Out RF WiFi RF Tx/Rx

9、TypeC(port1） Interface

pin num Pin net Type level description
A4 VBUS Power TypeC PD TypeC VBUS
A9 VBUS Power TypeC PD TypeC VBUS
B4 VBUS Power TypeC PD TypeC VBUS
B9 VBUS Power TypeC PD TypeC VBUS
A5 CC1 In TypeC PD TypeC CC
B5 CC2 In TypeC PD TypeC CC
A7 DM In/Out USB2.0 TypeC DM/DP
B7 DM In/Out USB2.0 TypeC DM/DP
A6 DP In/Out USB2.0 TypeC DM/DP
B6 DP In/Out USB2.0 TypeC DM/DP
A8 SBU1/AUX- In Display Port In AUX+/-
B8 SBU2/AUX+ In Display Port In AUX+/-
A2 DP1+ In Display Port In DP 4Lane input
A3 DP1- In Display Port In DP 4Lane input
B2 DP3+ In Display Port In DP 4Lane input
B3 DP3- In Display Port In DP 4Lane input
A10 DP2+ In Display Port In DP 4Lane input
A11 DP2- In Display Port In DP 4Lane input
B10 DP0+ In Display Port In DP 4Lane input
B11 DP0- In Display Port In DP 4Lane input
A1 GND GND GND GND
B1 GND GND GND GND
A12 GND GND GND GND
B12 GND GND GND GND

10、Type-C 16pin(port2） Interface

pin num Pin net Type level description
A4 VBUS Power 5V TypeC VBUS 5V power supply
A9 VBUS Power 5V TypeC VBUS 5V power supply
B4 VBUS Power 5V TypeC VBUS 5V power supply
B9 VBUS Power 5V TypeC VBUS 5V power supply
A5 CC1 In Rpd default pull down 5.1K
B5 CC2 In Rpd default pull down 5.1K
A7 nc nc nc nc
B7 nc nc nc nc
A6 nc nc nc nc
B6 nc nc nc nc
A8 nc nc nc nc
B8 nc nc nc nc
A1 GND GND GND GND
B1 GND GND GND GND
A12 GND GND GND GND
B12 GND GND GND GND

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