LGA1126B – 瑞芯微RV1126B 核心板

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LGA1126B

* 处理器: Rockchip RV1126B. Quad-core Cortex-A53 @ 1.6GHz
* NPU: 3 TOPS
* 内存: 2GB/4GB
* 存储: 8GB/16GB/32GB/64GB/128GB/256GB
* 引出信号: 4x UART, USB3.0 DRD, USB2.0 Host, MIPI DSI, RGB LCD, 2x MIPI CSI, 2x SDMMC, Ethernet, 2x CAN, Audio I/O, FSPI, 4x I2C, 4x PWM, 8x ADC IN, GPIO, etc.
* 操作系统: Debian 12, Buildroot
* 尺寸规格: 30 x 28.75 mm
* 连接方式：LGA-238 表面贴装焊接
* 工作温度: -20° to + 85° C

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LGA1126B 是一款基于瑞芯微 RV1126B 处理器的系统级模块，该处理器集成了 1.6 GHz 四核 Cortex A53 CPU 和 3 TOPS NPU，可用于设备端 AI 推理。集成 ISP 支持 12MP@30fps，同时 AI ISP 支持 8MP@30fps，提供空间降噪和图像增强功能。视频处理方面，硬件编码器支持 12MP H.265/H.264 编码（30fps），解码器支持 4K H.265/H.264 解码（30fps）。
LGA1126B模块采用 30×28.75 mm 的 LGA238 封装。提供双 MIPI CSI 摄像头输入，可扩展至 4 路摄像头传感器，适用于全景监控和多角度覆盖等应用。接口还包括 USB 3.0/2.0、千兆以太网、MIPI DSI 和 RGB 显示输出，以及 CAN 和 UART 用于工业通信和设备控制。
软件方面支持 Debian 和 Buildroot 用于通用开发。针对安防监控等场景，提供 IPC 优化固件，可实现比标准 Linux 发行版更快的启动速度。
模块工作温度范围为 -20°C 至 +85°C。典型应用包括 AI 摄像头、智能显示与 HMI、服务机器人和自动导引车（AGV）。

LGA1126B_F LGA1126B_R

Specifications
SoC	Rockchip RV1126B Quad-core Cortex-A53 @ 1.6GHz
NPU	3 TOPS for INT8. Support INT4, INT8, INT16, FP16
Video Encoder & Decoder	Encoder: 12M@30fps H.265/H.264 Decoder: 4K@30fps H.265/H.264
ISP	12M@30fps ISP, 8M@30fps AI-ISP
Memory	2GB/4GB LPDDR4
Storage	8GB/16GB/32GB/64GB/128GB/256GB eMMC
Supply Voltage	DC 5V
Pin out	2x MIPI CSI, USB2.0 Host, USB3.0 DRD (Dual-Role Device), 2x SDMMC, 2x MIC, DSM, 4x UART (including debug UART), FSPI, 4x I2C, GMAC, 10/100M FEPHY, MIPI DSI, RGB LCD, 2x CAN, 4x PWM, 8x SARADC IN, GPIO, etc
PCB Layer	8
Dimensions	30 x 28.75 mm
Operating Temperature	-20° to +85° C
Weight	3.7 gram
Package	LGA238
Application	IPC/CVR, AI cameras, smart displays/HMI, service robots/AGVs

PCB Dimension

LGA1126B_PCB_dimension

Pin Definition

Pin	Signal	Pin	Signal	Pin	Signal	Pin	Signal
A2	VCC5V0_SYS	C22	MIPI_DSI_D2N	M21	VO_LCDC_D10	AA5	GND
A3	VCC5V0_SYS	D1	I2C2_SCL_M0	N2	ETH_MDC_M0	AA6	WIFI_REG_ON
A4	GPIO7_A7_D	D2	UART1_RTS_M0	N3	GND	AA7	BT_RST
A5	GPIO7_A2_D	D3	UART1_RX_M0	N10	GND	AA8	BT_WAKE_HOST
A6	CAN1_RXD_M0	D20	VO_LCDC_HSYNC	N11	GND	AA9	UART0_RX_DBG
A7	PCM2_SYNC	D21	MIPI_DSI_D3P	N12	GND	AA10	UART0_TX_DBG
A8	PCM2_TX	D22	MIPI_DSI_D3N	N13	GND	AA11	RESETn
A9	SARADC0_IN0_KEY	E1	GPIO7_A1_D	N20	GND	AA12	GND
A10	SARADC0_IN7_BOOT	E2	UART1_TX_M0	N21	VO_LCDC_D2	AA13	MIPI_CSI_RX0_D2P
A13	UART2_RX_M0	E3	UART1_CTS_M0	N22	VO_LCDC_D16	AA14	MIPI_CSI_RX0_D2N
A14	GND	E20	VO_LCDC_D21	P1	ETH_MCLK_M0	AA15	MIPI_CSI_RX0_D1P
A15	UART2_CTSN_M0	E21	VO_LCDC_CLK	P2	GND	AA16	MIPI_CSI_RX0_D1N
A16	GND	E22	VO_LCDC_VSYNC	P3	ETH_MDIO_M0	AA17	GND
A17	SDIO_D1	F1	GPIO7_A5_D	P10	GND	AA18	MIPI_CSI_RX1_CLK0P
A18	FEPHY_RXP	F2	GPIO7_A3_D	P11	GND	AA19	MIPI_CSI_RX1_CLK0N
A19	MIPI_DSI_D0P	F3	I2C2_SDA_M0	P12	GND	AA20	I2C4_SCL_CAM_1V8
A20	MIPI_DSI_D0N	F20	VO_LCDC_D23	P13	GND	AA21	MIPI_MCLK_OUT1_1V8
A21	MIPI_DSI_CLKP	F21	VO_LCDC_D20	P20	VO_LCDC_D22	AA22	GND
B1	VCC5V0_SYS	F22	VO_LCDC_DEN	P21	GND	AB1	USB2_DRD_DM
B3	VCC5V0_SYS	G1	GND	P22	VO_LCDC_D15	AB2	USB2_DRD_DP
B4	I2C0_SCL_M0	G2	FSPI_D1_1V8	R1	ETH_RXCTL_M0	AB3	USB3_DRD_SSTXP
B5	GPIO7_A6_D	G3	GPIO7_A0_D	R2	ETH_RXCLK_LED_SPD	AB4	USB3_DRD_SSRXP
B6	GND	G20	VO_LCDC_D18	R3	GPIO6_B6_D	AB5	BT_WAKE
B7	CAN1_TXD_M0	G21	VO_LCDC_D14	R20	SDMMC0_D1	AB6	WIFI_WAKE_HOST
B8	PCM2_RX	G22	VO_LCDC_D19	R21	SDMMC0_D0	AB7	GPIO0_A3_U
B9	GND	H1	FSPI_D3_1V8	R22	VO_LCDC_D13	AB8	CLK_32K_OUT
B10	SARADC0_IN2	H2	FSPI_D0_1V8	T1	ETH_RXD2_M0	AB9	SDMMC0_DET
B11	SARADC0_IN3	H3	N.C.	T2	ETH_RXD1_M0	AB10	MIC0_P
B12	SARADC0_IN4	H20	VO_LCDC_D8	T3	ETH_RXD0_M0	AB11	MIC1_P
B13	UART2_TX_M0	H21	VO_LCDC_D3	T20	SDMMC0_D3	AB12	MIC1_N
B14	UART2_RTSN_M0	H22	VO_LCDC_D6	T21	SDMMC0_D2	AB13	MIPI_CSI_RX0_D3P
B15	SDIO_D2	J1	FSPI_CSN_1V8	T22	SDMMC0_CLK	AB14	MIPI_CSI_RX0_CLK1P
B16	SDIO_D3	J2	VBAT_RTC	U1	ETH_RXD3_M0	AB15	MIPI_CSI_RX0_CLK0P
B17	SDIO_D0	J3	GND	U2	GND	AB16	MIPI_CSI_RX0_D0N
B18	FEPHY_RXN	J20	VO_LCDC_D4	U3	ETH_TXCLK_LED_ACT	AB17	MIPI_CSI_RX1_D3N
B19	FEPHY_TXP	J21	VO_LCDC_D1	U20	GPIO7_A4_D	AB18	MIPI_CSI_RX1_D2P
B20	MIPI_DSI_D1P	J22	VO_LCDC_D0	U21	SDMMC0_CMD	AB19	MIPI_CSI_RX1_CLK1P
B21	MIPI_DSI_CLKN	K1	VCC_1V8	U22	GND	AB20	MIPI_CSI_RX1_CLK1N
B22	MIPI_DSI_D2P	K2	GND	V1	ETH_TXD3_M0	AB21	MIPI_CSI_RX1_D0P
C1	GND	K3	FSPI_D2_1V8	V2	ETH_TXCTL_M0	AB22	MIPI_CSI_RX1_D0N
C2	GND	K11	GND	V3	ETH_TXD1_M0	AC2	GND
C3	I2C0_SDA_M0	K12	GND	V20	GND	AC3	USB3_DRD_SSTXN
C4	GND	K13	GND	V21	UART4_CTSN_M0_1V8	AC4	USB3_DRD_SSRXN
C5	GND	K20	VO_LCDC_D17	V22	I2C3_SDA_CAM_1V8	AC5	DSM_AUD_RN
C6	CAN0_RXD_M0	K21	VO_LCDC_D7	W1	ETH_TXD0_M0	AC6	DSM_AUD_RP
C7	CAN0_TXD_M0	K22	GND	W2	ETH_TXD2_M0	AC7	GND
C8	GND	L2	ETH_CLK_25M_OUT_M0	W3	ETH_PPSTRIG_M0	AC8	REF_CLK0_OUT
C9	PCM2_CLK	L3	FSPI_CLK_1V8	W20	UART4_TX_M0_1V8	AC9	PWR_EN
C10	SARADC0_IN1	L10	GND	W21	UART4_RX_M0_1V8	AC10	MIC0_N
C11	GND	L11	GND	W22	I2C3_SCL_CAM_1V8	AC13	MIPI_CSI_RX0_D3N
C12	SARADC0_IN5	L12	GND	Y1	GND	AC14	MIPI_CSI_RX0_CLK1N
C13	SARADC0_IN6	L13	GND	Y2	ETH_PPS_CLK_M0	AC15	MIPI_CSI_RX0_CLK0N
C14	GPIO3_B7_D	L20	VO_LCDC_D11	Y3	ETH_PTP_REFCLK_M0	AC16	MIPI_CSI_RX0_D0P
C15	GPIO3_B6_D	L21	VO_LCDC_D9	Y20	I2C4_SDA_CAM_1V8	AC17	MIPI_CSI_RX1_D3P
C16	SDIO_CMD	L22	VO_LCDC_D5	Y21	UART4_RTSN_M0_1V8	AC18	MIPI_CSI_RX1_D2N
C17	GND	M10	GND	Y22	MIPI_MCLK_OUT0_1V8	AC19	GND
C18	SDIO_CLK	M11	GND	AA1	USB2_HOST_DM	AC20	MIPI_CSI_RX1_D1P
C19	FEPHY_TXN	M12	GND	AA2	USB2_HOST_DP	AC21	MIPI_CSI_RX1_D1N
C20	MIPI_DSI_D1N	M13	GND	AA3	USB2_DRD_VBUSDET
C21	GND	M20	VO_LCDC_D12	AA4	USB2_DRD_ID

OS	Item	Feature	Description
Debian 12 Buildroot	Boot	U-Boot 2017.09	rv1126b_ddr_1332MHz_v1.09.bin
	Kernel	Version	Linux 6.1.141
	Drivers	eMMC	eMMC 4.51
		Serial port	Debug UART
		RTC	Support
		Ethernet	10/100Mbps Ethernet
		HDMI	MIPI to HDMI
		RS485	Support
		CAN	Support
		SPI	Support
		WiFi & Bluetooth	Wireless - 2.4GHz, 802.11b/g/n Bluetooth4.2
		USB Host	3x USB2.0 Host
		USB OTG & USB3.0	OTG function must be switched manually
		4G&GPS	EC20/EC25
		IR	Support
		Audio I/O	RV1126B Built-in Codec. MIC IN and Speaker.
		SD	Micro SD
		GPIO	Support
		ADC	6x ADC in
		Camera	4x MIPI Camera
		Stepper motor	28BYJ48
	Cross-compiler Environment	Ubuntu 22.04
	Debug tools	SecureCRT, RKDevTool.exe

OS	Item	Feature	Description
IPC	Boot	U-Boot 2017.09	rv1126b_ddr_1332MHz_v1.10.bin
	Kernel	Version	Linux 6.1.157
	Drivers	eMMC	eMMC 4.51
		Serial port	Debug UART
		RTC	Support
		Ethernet	10/100Mbps Ethernet
		HDMI	MIPI to HDMI
		RS485	Support
		CAN	Support
		SPI	Support
		WiFi & Bluetooth	Wireless - 2.4GHz, 802.11b/g/n Bluetooth4.2
		USB Host	3x USB2.0 Host
		USB OTG & USB3.0	OTG function must be switched manually
		4G&GPS	EC20/EC25
		IR	Support
		Audio I/O	RV1126B Built-in Codec. MIC IN and Speaker.
		SD	Micro SD
		GPIO	Support
		ADC	6x ADC in
		Camera	4x MIPI Camera
		Stepper motor	28BYJ48
	Cross-compiler Environment	Ubuntu 22.04
	Debug tools	SecureCRT, RKDevTool.exe