BOARDCON CM1126 System on Module User Manual

: September 7, 2024
: Boardcon

Table of Contents

BOARDCON CM1126 System on Module
Product Usage Instructions
Introduction
CM1126 Introduction
Hardware Design Guide
Product Electrical Characteristics
Read User Manual Online (PDF format)
Download This Manual (PDF format)

BOARDCON CM1126 System on Module

Specifications

Feature: CM1126
CPU: Quad-core Cortex-A7
DDR: 2GB LPDDR4 (up to 4GB)
eMMC: 4GB (up to 32GB)
FLASH: DC 3.3V
Power: 4-Lane
MIPI DSI: 4-CH
I2S: 2-CH
MIPI CSI: 4-Lane
RGB LCD: 24bit
Camera: 1-CH(DVP) and 2-CH(CSI)
USB: 2-CH (USB HOST2.0 and OTG 2.0)
Ethernet: 1000M GMAC
SDMMC: 2-CH
I2C: 5-CH
SPI: 2-CH
UART: 5-CH, 1-CH(DEBUG)
PWM: 11-CH
ADC IN: 4-CH
Board Dimension: 34 x 35mm

Product Usage Instructions

Introduction
This manual provides an overview of the CM1126 system-on-module,its features, specifications, and setup procedures. It also includes important safety information.

Hardware Design Guide
The hardware design guide includes information on peripheral circuit references and PCB footprints for the CM1126.

Product Electrical Characteristics
This section covers details on dissipation, temperature, and reliability testing of the CM1126.

FAQ

Q: What is the purpose of the CM1126 system-on-module?
A: The CM1126 is designed for IPC/CVR devices, AI Camera devices, intelligent interactive devices, and mini robots,providing high performance and low power solutions.

Q: What are the memory organization specifications of the CM1126?
A: The CM1126 supports LPDDR4 RAM up to 4GB, eMMC storage up to 32GB, and SPI Flash up to 8MB.

Introduction

About this Manual
This manual is intended to provide the user with an overview of the board and benefits, complete features specifications, and set up procedures. It contains important safety information as well.

Feedback and Update to this Manual
To help our customers make the most of our products, we are continually making additional and updated resources available on the Boardcon website (www.boardcon.com , www.armdesigner.com).
These include manuals, application notes, programming examples, and updated software and hardware. Check in periodically to see what’s new!
When we are prioritizing work on these updated resources, feedback from customers is the number one influence, If you have questions, comments, or concerns about your product or project, please no hesitate to contact us at support@armdesigner.com.

Limited Warranty

Boardcon warrants this product to be free of defects in material and workmanship for a period of one year from date of buy. During this warranty period Boardcon will repair or replace the defective unit in accordance with the following process:

A copy of the original invoice must be included when returning the defective unit to Boardcon. This limited warranty does not cover damages resulting from lighting or other power surges, misuse, abuse, abnormal conditions of operation, or attempts to alter or modify the function of the product.

This warranty is limited to the repair or replacement of the defective unit. In no event shall Boardcon be liable or responsible for any loss or damages, including but not limited to any lost profits, incidental or consequential damages, loss of business, or anticipatory profits arising from the use or inability to use this product.
Repairs make after the expiration of the warranty period are subject to a repair charge and the cost of return shipping. Please contact Boardcon to arrange for any repair service and to obtain repair charge information.

CM1126 Introduction

Summary
The CM1126 system-on-module is equipped with Rockchip’s RV1126 build in quad- core Cortex-A7, 2.0 TOPs NPU and RISC-V MCU.
It is designed specifically for the IPC/CVR devices, AI Camera devices, intelligent interactive devices, and mini robots. The high performance and low power solution can help customers to introduce new technologies more quickly and enhance the overall solution efficiency.
The least size can put on 38board.

Features

Microprocessor
- Quad-core Cortex-A7 up to 1.5G
- 32KB I-cache and 32KB D-cache for each core, 512KB L3 cache
- 2.0 TOPS Neural Process Unit
- RISC-V MCU to support 250mS fast boot
- Max 14M ISP
  Memory Organization
- LPDDR4 RAM up to 4GB
- EMMC up to 32GB
- SPI Flash up to 8MB
Video Decoder/Encoder
- Supports video decode/encode up to 4K@30fps
- Supports real-time decoding of H.264/265
- Supports real-time UHD H.264/265 video encoding
- Picture size up to 8192×8192
Display Subsystem
- Video Output
  Supports 4 lanes MIPI DSI up to 2560×1440@60fps Supports 24bit RGB parallel output
- Image in
  Supports up to 16bit DVP interface
  Supports 2ch MIPI CSI 4lanes interface
I2S/PCM/ AC97
- Three I2S/PCM interface
- Support Mic array Up to 8ch PDM/TDM interface
- Support PWM audio output
USB and PCIE
- Two 2.0 USB interfaces
- One USB 2.0 OTG, and one 2.0 USB hosts
Ethernet
- RTL8211F onboard
- Support 10/100/1000M
I2C
- Up to five I2Cs
- Support standard mode and fast mode(up to 400kbit/s)
SDIO
- Support 2CH SDIO 3.0 protocol
SPI
- Up to two SPI controllers,
- Full-duplex synchronous serial interface
UART
- Support up to 6 UARTs
- UART2 with 2 wires for debug tools
- Embedded two 64byte FIFO
- Support auto flow control mode for UART0/1/3/4/5
ADC
- Up to four ADC channels
- 12-bit resolution
- Voltage input range between 0V to 1.8V
- Support up to 1MS/s sampling rate
PWM
- 1 on-chip PWMs with interrupt-based operation
- Support 32bit time/counter facility
- IR option on PWM3/7
Power unit
- Discrete Power on board
- Single 3.3V input

CM1126 Block Diagram

RV1126 Block Diagram

Development board (idea1126) Block Diagram

CM1126 specifications

Feature	Specifications
CPU	Quad-core Cortex-A7
DDR	2GB LPDDR4 (up to 4GB)
eMMC FLASH	4GB (up to 32GB)
Power	DC 3.3V
MIPI DSI	4-Lane
I2S	4-CH
MIPI CSI	2-CH 4-Lane
RGB LCD	24bit
Camera	1-CH(DVP) and 2-CH(CSI)
USB	2-CH (USB HOST2.0 and OTG 2.0)
Ethernet	1000M GMAC
SDMMC	2-CH
I2C	5-CH
SPI	2-CH
UART	5-CH, 1-CH(DEBUG)
PWM	11-CH
ADC IN	4-CH
Board Dimension	34 x 35mm

CM1126 PCB Dimension

CM1126 Pin Definition

Pin| Signal| Description or functions| GPIO serial| IO Voltage
---|---|---|---|---
1| LCDC_D19_3V3| I2S1_MCLK_M2/CIF_D15_M1| GPIO2_C7_d| 3.3V
2| LCDC_D20_3V3| I2S1_SDO_M2/CIF_VS_M1| GPIO2_D0_d| 3.3V
3| LCDC_D21_3V3| I2S1_SCLK_M2/CIF_CLKO_M1| GPIO2_D1_d| 3.3V
4| LCDC_D22_3V3| I2S1_LRCK_M2/CIF_CKIN_M1| GPIO2_D2_d| 3.3V
5| LCDC_D23_3V3| I2S1_SDI_M2/CIF_HS_M1| GPIO2_D3_d| 3.3V
6| GND| Ground| | 0V
7| GPIO1_D1| UART1_RX_M1/I2C5_SDA_M2| GPIO1_D1_d| 1.8V
8| BT_WAKE| SPI0_CS1n_M0| GPIO0_A4_u| 1.8V
9| WIFI_REG_ON| SPI0_MOSI_M0| GPIO0_A6_d| 1.8V
10| BT_RST| SPI0_MISO_M0| GPIO0_A7_d| 1.8V
11| WIFI_WAKE_HOST| SPI0_CLK_M0| GPIO0_B0_d| 1.8V
12| BT_WAKE_HOST| SPI0_CS0n_M0| GPIO0_A5_u| 1.8V
13| PWM7_IR_M0_3V3| | GPIO0_B1_d| 3.3V
14| PWM6_M0_3V3| TSADC_SHUT_M1| GPIO0_B2_d| 3.3V
15| UART2_TX_3V3| For debug| GPIO3_A2_u| 3.3V
16| UART2_RX_3V3| For debug| GPIO3_A3_u| 3.3V

17

| I2S0_MCLK_M0_3V

3

| | ****

GPIO3_D2_d

| ****

3.3V

18

| I2S0_SCLK_TX_M0

_3V3

| ****

ACODEC_DAC_CLK

| ****

GPIO3_D0_d

| ****

3.3V

19

| ****

I2S0_SDI3_M0_3V3

| PDM_SDI3_M0 /

ACODEC_ADC_DATA

| ****

GPIO3_D7_d

| ****

3.3V

20

| I2S0_SDO0_M0_3V

3

| ACODEC_DAC_DATAR

/APWM_R_M1/ADSM_LP

| ****

GPIO3_D5_d

| ****

3.3V

21

| I2S0_LRCK_TX_M0

_3V3

| ACODEC_DAC_SYNC

/APWM_L_M1/ADSM_LN

| ****

GPIO3_D3_d

| ****

3.3V

---|---|---|---|---
22| PDM_SDI1_3V3| I2S0_SDO3_SDI1_M0/I2C4SDA| GPIO4_A1_d| 3.3V
23| PDM_CLK1_3V3| I2S0_SCK_RX_M0| GPIO3_D1_d| 3.3V
24| PDM_SDI2_3V3| I2S0_SDO2_SDI2_M0/I2C4SCL| GPIO4_A0_d| 3.3V
25| PDM_SDI0_3V3| I2S0_SDI0_M0| GPIO3_D6_d| 3.3V
26| PDM_CLK_3V3| I2S0_LRCK_RX_M0| GPIO3_D4_d| 3.3V
27| I2C2_SDA_3V3| PWM5_M0| GPIO0_C3_d| 3.3V
28| I2C2_SCL_3V3| PWM4_M0| GPIO0_C2_d| 3.3V
29| USB_HOST_DP| | | 1.8V
30| USB_HOST_DM| | | 1.8V
31| GND| Ground| | 0V
32| OTG_DP| Can use for download| | 1.8V
33| OTG_DM| Can use for download| | 1.8V
34| OTG_DET_1V8| OTG VBUS DET IN| | 1.8V
35| OTG_ID| | | 1.8V
36| SPI0_CS1n_M1| I2S1_MCK_M1/UART4_TX_M2| GPIO1_D5_d| 1.8V
37| VCC3V3_SYS| 3.3V Main Power input| | 3.3V
38| VCC3V3_SYS| 3.3V Main Power input| | 3.3V
39| USB_CTRL_3V3| Must be use for OTG compatible| GPIO0_C1_d| 3.3V
40| SDMMC0_DET| Must be used for SD Card| GPIO0_A3_u| 1.8V
41| CLKO_32K| RTC clock output| GPIO0_A2_u| 1.8V
42| nRESET| Reset key input| | 1.8V

43

| MIPI_CSI_RX0_CL

KP

| ****

MIPI CSI0 or LVDS0 input

| | ****

1.8V

44

| MIPI_CSI_RX0_CL

KN

| ****

MIPI CSI0 or LVDS0 input

| | ****

1.8V

45

| MIPI_CSI_RX0_D2

P

| ****

MIPI CSI0 or LVDS0 input

| | ****

1.8V

46

| MIPI_CSI_RX0_D2

N

| ****

MIPI CSI0 or LVDS0 input

| | ****

1.8V

47

| MIPI_CSI_RX0_D3

P

| ****

MIPI CSI0 or LVDS0 input

| | ****

1.8V

48

| MIPI_CSI_RX0_D3

N

| ****

MIPI CSI0 or LVDS0 input

| | ****

1.8V

49

| MIPI_CSI_RX0_D1

P

| ****

MIPI CSI0 or LVDS0 input

| | ****

1.8V

50

| MIPI_CSI_RX0_D1

N

| ****

MIPI CSI0 or LVDS0 input

| | ****

1.8V

51

| MIPI_CSI_RX0_D0

P

| ****

MIPI CSI0 or LVDS0 input

| | ****

1.8V

52

| MIPI_CSI_RX0_D0

N

| ****

MIPI CSI0 or LVDS0 input

| | ****

1.8V

---|---|---|---|---
53| GND| Ground| | 0V

54

| MIPI_CSI_RX1_D3

P

| ****

MIPI CSI1 or LVDS1 input

| | ****

1.8V

55

| MIPI_CSI_RX1_D3

N

| ****

MIPI CSI1 or LVDS1 input

| | ****

1.8V

56

| MIPI_CSI_RX1_CL

KP

| ****

MIPI CSI1 or LVDS1 input

| | ****

1.8V

57

| MIPI_CSI_RX1_CL

KN

| ****

MIPI CSI1 or LVDS1 input

| | ****

1.8V

58

| MIPI_CSI_RX1_D2

P

| ****

MIPI CSI1 or LVDS1 input

| | ****

1.8V

59

| MIPI_CSI_RX1_D2

N

| ****

MIPI CSI1 or LVDS1 input

| | ****

1.8V

60

| MIPI_CSI_RX1_D1

P

| ****

MIPI CSI1 or LVDS1 input

| | ****

1.8V

61

| MIPI_CSI_RX1_D1

N

| ****

MIPI CSI1 or LVDS1 input

| | ****

1.8V

62

| MIPI_CSI_RX1_D0

P

| ****

MIPI CSI1 or LVDS1 input

| | ****

1.8V

63

| MIPI_CSI_RX1_D0

N

| ****

MIPI CSI1 or LVDS1 input

| | ****

1.8V

68

| SDMMC0_CMD_3V

3

| ****

UART3_CTSn_M1

| ****

GPIO1_B1_u

| ****

3.3V

69| SDMMC0_CLK_3V3| UART3_RTSn_M1| GPIO1_B0_u| 3.3V
70| GND| Ground| | 0V
71| LED1/CFG_LDO0| Ethernet LINK LED| | 3.3V
72| LED2/CFG_LDO1| Ethernet SPEED LED| | 3.3V
73| MDI0+| Ethernet MDI signal| | 1.8V
74| MDI0-| Ethernet MDI signal| | 1.8V
75| MDI1+| Ethernet MDI signal| | 1.8V
76| MDI1-| Ethernet MDI signal| | 1.8V
77| MDI2+| Ethernet MDI signal| | 1.8V
78| MDI2-| Ethernet MDI signal| | 1.8V
79| MDI3+| Ethernet MDI signal| | 1.8V
80| MDI3-| Ethernet MDI signal| | 1.8V
81| I2C1_SCL| UART4_CTSn_M2| GPIO1_D3_u| 1.8V
82| I2C1_SDA| UART4_RTSn_M2| GPIO1_D2_u| 1.8V
---|---|---|---|---
83| MIPI_CSI_PWDN0| UART4_RX_M2| GPIO1_D4_d| 1.8V
84| SPI0_CLK_M1| I2S1_SDO_M1/UART5_RX_M2| GPIO2_A1_d| 1.8V
85| SPI0_MOSI_M1| I2S1_SCK_M1/I2C3_SCL_M2| GPIO1_D6_d| 1.8V
86| SPI0_CS0n_M1| I2S1_SDI_M1/UART5_TX_M2| GPIO2_A0_d| 1.8V
87| SPI0_MISO_M1| I2S1_LRCK_M1/I2C3_SDA_M2| GPIO1_D7_d| 1.8V
88| MIPI_CSI_CLK1| UART5_RTSn_M2| GPIO2_A2_d| 1.8V
89| MIPI_CSI_CLK0| UART5_CTSn_M2| GPIO2_A3_d| 1.8V
90| GND| Ground| | 0V
91| LCDC_D0_3V3| UART4_RTSn_M1/CIF_D0_M1| GPIO2_A4_d| 3.3V
92| LCDC_D1_3V3| UART4_CTSn_M1/CIF_D1_M1| GPIO2_A5_d| 3.3V
93| LCDC_D2_3V3| UART4_TX_M1/CIF_D2_M1| GPIO2_A6_d| 3.3V
94| LCDC_D3_3V3| UART4_RX_M1/I2S2_SDO_M1| GPIO2_A7_d| 3.3V
95| LCDC_D4_3V3| UART5_TX_M1/I2S2_SDI_M1| GPIO2_B0_d| 3.3V
96| LCDC_D5_3V3| UART5_RX_M1/I2S2_SCK_M1| GPIO2_B1_d| 3.3V

97

| ****

LCDC_D6_3V3

| UART5_RTSn_M1/I2S2LRCK

M1

| ****

GPIO2_B2_d

| ****

3.3V

98

| ****

LCDC_D7_3V3

| UART5_CTSn_M1/I2S2MCLK

M1/CIF_D3_M1

| ****

GPIO2_B3_d

| ****

3.3V

101

| ****

LCDC_CLK_3V3

| UART3_CTSn_M2/SPI1MISO

M2/PWM8_M1

| ****

GPIO2_D7_d

| ****

3.3V

102| LCDC_VSYNC_3V3| UART3_RTSn_M2/SPI1_MOSI| GPIO2_D6_d| 3.3V
103| MIPI_DSI_D2P| | | 1.8V
104| MIPI_DSI_D2N| | | 1.8V
105| MIPI_DSI_D1P| | | 1.8V
106| MIPI_DSI_D1N| | | 1.8V
107| MIPI_DSI_D0P| | | 1.8V
108| MIPI_DSI_D0N| | | 1.8V
109| MIPI_DSI_D3P| | | 1.8V
110| MIPI_DSI_D3N| | | 1.8V
111| MIPI_DSI_CLKP| | | 1.8V
112| MIPI_DSI_CLKN| | | 1.8V
113| ADCIN3| ADC input| | 1.8V
114| ADCIN2| ADC input| | 1.8V
115| ADCIN1| ADC input| | 1.8V
116| ADKEY_IN0| Recovery mode set(10K PU)| | 1.8V
117| GND| Ground| | 0V
118| SDIO_CLK| | GPIO1_B2_d| 1.8V
119| SDIO_CMD| | GPIO1_B3_u| 1.8V
120| SDIO_D0| | GPIO1_B4_u| 1.8V
---|---|---|---|---
121| SDIO_D1| | GPIO1_B5_u| 1.8V
122| SDIO_D2| | GPIO1_B6_u| 1.8V
123| SDIO_D3| | GPIO1_B7_u| 1.8V
124| UART0_RX| | GPIO1_C2_u| 1.8V
125| UART0_TX| | GPIO1_C3_u| 1.8V
126| UART0_CTSN| | GPIO1_C1_u| 1.8V
127| UART0_RTSN| | GPIO1_C0_u| 1.8V
128| PCM_TX| I2S2_SDO_M0/SPI1_MOSI_M1| GPIO1_C4_d| 1.8V