SMARC ALPHA SoM Series Hardware Manual

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ALPHA SoM Series

αSMARC-EVB1

Hardware Manual

Rev 1.0

SMARC Carrier Board

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Summary of Contents for SMARC ALPHA SoM Series

Page 2 αSMARC-EVB1 Alpha SoM Series MS104-FPGA/CⅢ Important Information and Disclaimer Thank you for purchasing an αSMARC-EVB1. Please read this manual first in order to use this product correctly. We appreciate your continued patronage of our products. Product Includes This module consists of the following components. Check the contents of the package, and if anything is missing, contact the vendor from which you purchased this product.
Page 3 αSMARC-EVB1 Alpha SoM Series MS104-FPGA/CⅢ Reference Documents Device and SMARC standard documents are published on the websites of various companies and organizations. Consult them along with this manual. ■ SMARC STANDARD (SGeT.ORG) -SMARC Hardware Specification 2.1.1 - SMARC Design Guide Ver. 2.0 *About reference documents - Documents and website URLs of various companies are subject to change without notice.
Page 4: Table Of Contents
1.2 Functions and Features ......................1 1.3 Specifications Overview ......................2 1.4 External Specifications ......................3 1.5 Circuit Configuration ....................... 5 1.6 SMARC Interface Signals ....................... 6 1.7 Supported SoM ........................10 1.8 Installing SMARC SoM ......................13 1.9 Settings ..........................14 1.10 Startup Check ........................
Page 5 3. Technical Data 3.1 External Dimensions ......................43 3.2 Circuit Diagram ........................43 4. Related Products 4.1 SMARC 2.1 SoM ........................44 4.2 αSMARC Development Kit ....................44 4.3 Card-Edge Connector ......................44 4.4 Peripheral Expansion Adapter ....................45 4.5 Touch Panel LCD Kit ......................45 5.
Page 6: Overview
1.2 Functions and Features ■ Compliant with SMARC 2.1 standard This product is compliant with the SMARC 2.1 standard, and can be operated immediately in combination with corresponding SoM. ■ Many interfaces In addition to high-speed communication interfaces such as USB 3.0, PCI Express, Gigabit Ethernet, and SATA, it has many peripheral functions such as LCD, AUDIO, MIPI-CSI2, and CAN.
Page 7: Specifications Overview
αSMARC-EVB1 Alpha SoM Series 1.3 Specifications Overview αSMARC-EVB1 Specifications Function Specifications Compatible form factor SMARC 2.1 Module Short/Full Size Ethernet Gigabit Ethernet × 2 ports SD/SDIO SD-CARD SLOT ×1 USB-Host High Speed (Type-A) × 2 ports USB 2.0 USB-Host High Speed (Type-A) / Function (Type-B Micro) × 1 port USB 3.0...
Page 8: External Specifications
CN10 Gigabit Ether Gigabit Ether USB 2.0 (A) USB 3.0 (Type-C) RS232 USB-COM CN15 CN11 CN12 AUDIO USB 2.0 (MicroB) HDMI SMARC Module (Short Size) installed Fig 1.4-1 Board Overview αSMARC-EVB1 Hardware Manual ©2023 Alpha Project Co., Ltd. https://www.apnet.co.jp...
Page 9 αSMARC-EVB1 Alpha SoM Series Part No. Part Number/Manufacturer Function Remarks BM04B-SRSS-TB /OMRON I2C (Grove) Connector 0826-1X1T-23-F /BelFuse Gigabit Ether Connector (RJ-45) 0826-1X1T-23-F /BelFuse Gigabit Ether Connector (RJ-45) XG4C-1031 /OMRON CAN IF Connector (MIL) XM2C-0942-132L /OMRON RS232 IF Connector (D-SUB9) 10104111-0001LF /FCI...
Page 10: Circuit Configuration
CN19 HDMI HDMI CN12 SATA SATA CN21 VDD_IN Power In (AC-Adp) SW-REG 3.3 V RESET SW CN24 Power In 1.8 V 1.5 V POWER SW Battery Fig 1.5-1 αSMARC-EVB Block Diagram αSMARC-EVB1 Hardware Manual ©2023 Alpha Project Co., Ltd. https://www.apnet.co.jp...
Page 11: Smarc Interface Signals
- “SW” in voltage indicates it is connected to a Switch (contact). - VDD_IO can be set to 1.8 V (standard) or 3.3 V. For details, see “1.9.1 VDD_IO Settings”. For definitions of each signal in the SMARC standard, see the SMARC standard specification. SMARC Hardware Specification 2.1.1 https://www.sget.org/standards/smarc/...
Page 12 αSMARC-EVB1 Alpha SoM Series GBE0_MDI0- PCIE_D_TX+ GBE0_MDI0+ PCIE_D_TX- SPIO_CS1# GBE1_LINK_ACT# 3.3 V PCIE_D_RX+ SDIO_WP 3.3 V PCIE_D_RX- SDIO_CMD 3.3 V/1.8 V SDIO_CD# 3.3 V USB4+ SDIO_CK 3.3 V/1.8 V USB4- SDIO_PWR_EN 3.3 V USB3_VBUS_DET AUDIO_MCK VDD_IO SDIO_D0 3.3 V/1.8 V...
Page 13 αSMARC-EVB1 Alpha SoM Series PCIE_A_RST# 3.3 V USB2_SSRX- USB4_EN_OC# 3.3 V PCIE_B_RST# PCIE_B_CKREQ PCIE_C_RST# PCIE_A_CKREQ PCIE_C_RX+ PCIE_C_RX- PCIE_C_REFCK+ PCIE_C_REFCK- PCIE_C_TX+ PCIE_C_TX+ PCIE_A_REFCK+ PCIE_A_REFCK- PCIE_B_REFCK+ PCIE_B_REFCK+ PCIE_A_RX+ PCIE_A_RX- PCIE_B_RX+ PCIE_B_RX- PCIE_A_TX+ PCIE_A_TX- PCIE_B_TX+ PCIE_B_TX- HDMI_D2+ HDMI_D2- DP0_LANE0+ DP0_LANE0- HDMI_D1+ DP0_AUX_SEL HDMI_D1-...
Page 14 αSMARC-EVB1 Alpha SoM Series P121 I2C_PM_CK VDD_IO S121 LVDS1_3- P122 I2C_PM_DAT VDD_IO S122 LCD1_BKLT_PWM VDD_IO P123 BOOT_SEL0# S123 GPIO13 VDD_IO P124 BOOT_SEL1# S124 P125 BOOT_SEL2# S125 LVDS0_0+ P126 RESET_OUT# VDD_IO S126 LVDS0_0- P127 RESET_IN# S127 LCD0_BKLT_EN VDD_IO P128 POWER_BTN# S128...
Page 15: Supported Som
αSMARC-EVB1 Alpha SoM Series 1.7 Supported SoM The SMARC SoM and functions supported by this product are as follows. [αSMARC_RZ/G2E] Part No. Carrier Board Function SoM supported function Remarks I2C (Grove) Connector I2C_GP Gigabit Ether Connector (RJ-45) GBE0 (100/1000 BASE)
Page 16 POWER_BTN# Reset Button RESET_IN# Battery Holder VDD_RTC * “LCD-KIT-D02” in section 4.5 is not supported with αSMARC-IMX8MM by not compatible on output signal frequency of SoM. Table 1.7-2 αSMARC-IMX8MM function support αSMARC-EVB1 Hardware Manual ©2023 Alpha Project Co., Ltd. https://www.apnet.co.jp...
Page 17 POWER_BTN# Reset Button RESET_IN# Battery Holder VDD_RTC * “LCD-KIT-D02” in section 4.5 is not supported with αSMARC-IMX8MN by not compatible on output signal frequency of SoM. Table 1.7-3 αSMARC-IMX8MN function support αSMARC-EVB1 Hardware Manual ©2023 Alpha Project Co., Ltd. https://www.apnet.co.jp...
Page 18: Installing Smarc Som
1. Insert the SMARC module diagonally (at an angle of about 30°) into the card-edge connector of the carrier board. 2. With the SMARC module inserted into the card-edge connector, push it down so that it is parallel to the carrier board.
Page 19: Settings
The I/O voltage of the SMARC interface is basically defined as 1.8 V, but some αSMARC SoM products support an I/O voltage of 3.3V. To support these products, the I/O voltage of the SMARC interface can be switched to 3.3 V.
Page 20: Startup Check
LAN Cable (Cross or Straight) CAT5E or higher Fig 1.10-1 Connection for startup check 2. Check the settings Before turning on the power, check that the switches of αSMARC-RZ/G2E and αSMARC-EVB1 are set as follows. MODE SW Fig 1.10-2 Switch settings αSMARC-EVB1 Hardware Manual...
Page 21 αSMARC-EVB1 Alpha SoM Series 3. COM port number check Press the POWER switch to turn on the power. The virtual COM port is recognized on the host PC, so check the COM port number. On Windows, “USB Serial Port (COMxx)” is displayed under “Ports (COM and LPT)” in “Device Manager”. (xx is a number) 4.
Page 22: Functions
αSMARC-EVB1 Alpha SoM Series 2. Functions 2.1 LCD (LVDS) LCD (LVDS) supports two channels, LVDS0 and LVDS1. The connector connects to LCD0 (CN16) and LCD1 (CN17) with a 2.5 mm x 2 row box pin header. CN16 SMARC I/F LOAD SW...
Page 23 αSMARC-EVB1 Alpha SoM Series LCD0 [CN16] Signal Name Description SMARC Signal Path Remarks +3.3 V +3.3 V LVDS0- LCD DATA LVDS0_0- LVDS0+ LCD DATA LVDS0_0+ LVDS1- LCD DATA LVDS0_1- LVDS1+ LCD DATA LVDS0_1+ LVDS2- LCD DATA LVDS0_2- LVDS2+ LCD DATA...
Page 24: Lcd (Ttl)
αSMARC-EVB1 Alpha SoM Series 2.2 LCD (TTL) LCD(TTL) supports 1 channel of LVDS0. It is converted to RGB parallel signals by the deserializer and can be connected to RGB parallel type LCD. The connector is a 0.5 mm x 40 pin FFC connector (CN18) that can be directly connected to our “LCD-KIT-B02”, “LCD-KIT-C01”, “LCD-KIT-C02”, and “LCD-KIT-D02”.
Page 25 αSMARC-EVB1 Alpha SoM Series LCD DATA Red LVDS0_DATA[0..2] 3.3 V Data Enable LVDS0_DATA[0..2] 3.3 V HSYNC Horizontal Sync LVDS0_DATA[0..2] 3.3 V VSYNC Vertical Sync LVDS0_DATA[0..2] 3.3 V LCDCLK LCD CLOCK LVDS0_CK 3.3 V VDD_5V0 +5 V VDD_5V0 +5 V VDD_5V0...
Page 26 αSMARC-EVB1 Alpha SoM Series Handling FFC connectors The precision structure of FFC connectors makes them prone to breakage. Handle them with care. The lock is released by pushing the slider (lever) upward, so insert and remove the FFC. It is locked by pushing it down.
Page 27: Gigabit Ethernet
αSMARC-EVB1 Alpha SoM Series 2.3 Gigabit Ethernet Gigabit Ethernet supports two channels, GBE0 and GB1. It is connected to ETH0 (CN2) and ETH1 (CN3) of the RJ-45 connectors (built-in inductor). SMARC I/F GBE0_MD[0..3] RJ45 Magnetics & 2LED GBE0_LINK1000# ETH0 GBE0_LINK100# GBE0_LINK_ACT# GBE1_MD[0..3]...
Page 28: Camera (Mipi-Csi2)
αSMARC-EVB1 Alpha SoM Series 2.4 CAMERA (MIPI-CSI2) CAMERA supports two channels, CSI0 and CSI1. It is connected to CH0 (CN13) and CH1 (CN14). SMARC I/F CN13 CSI0_RX[0..1] CSI0_CK VDD_IO = 1.8 V VDD_IO VDD_3V3 ENABLE LEVEL GPIO3 SHIFTER I2C_CAM0_CK 1.8 V ↔ 3.3 V...
Page 29 αSMARC-EVB1 Alpha SoM Series CSI CH0 [CN13] Signal Name Description SMARC Signal Path Remarks CSI0_D0N DATA IN CSI0_RX0- CSI0_D0P DATA IN CSI0_RX0+ CSI0_D1N DATA IN CSI0_RX1- CSI0_D1P DATA IN CSI0_RX1+ CSI0_CLKN CLOCK CSI0_CK- CSI0_CLKP CLOCK CSI0_CK+ ENABLE Camera Enable GPIO3 3.3 V...
Page 30: Sd/Sdio
αSMARC-EVB1 Alpha SoM Series 2.5 SD/SDIO SD/SDIO supports 1 channel. The SD card slot is for standard SD cards (SD1) and supports SD cards and SDIO cards. SMARC I/F VDD_3V3 LOAD SW SDIO_PWR_EN SDIO_D[0..3] SDIO_CK SDIO_CMD SDIO_CD# SDIO_WP Fig 2.5-1 SD/SDIO circuit connection configuration αSMARC-EVB1 Hardware Manual...
Page 31: Audio I2S
αSMARC-EVB1 Alpha SoM Series 2.6 AUDIO I2S AUDIO I2S supports 1 channel of I2S0. It is equipped with an AUDIO stereo codec and supports 1 channel each for input and output. It is connected to the 3.5 mm stereo headphone jack (CN15).
Page 32: Usb 2.0
αSMARC-EVB1 Alpha SoM Series 2.7 USB 2.0 USB 2.0 supports 2 channels, USB0 and USB1. It is connected to USB Host/Function (CN10A/CN11) 1 channel, USB HOST (CN10B) 1 channel, and mimiPCIe 1 channel. HOST is a Type-A connector and Function is a microB connector.
Page 33: Usb3.0
αSMARC-EVB1 Alpha SoM Series 2.8 USB3.0 USB 3.0 supports 1 channel of USB3. It is connected to Type-C (CN9) and supports OTG (Dual-Role) function and can be used with Host and Function. (Dual-Role Power and Power Delivery are not supported)
Page 34: Serial Interface
αSMARC-EVB1 Alpha SoM Series 2.9 Serial Interface The Serial Interface supports 4 channels, from SER0 to SER3. COM0 (CN5) and COM1 (CN6) are assigned as RS232 and USB COM respectively. COM2 (CN7) and COM3 (CON8) are 3.3 V TTL signals. By connecting the peripheral expansion adapter optional part, it can be converted to RS232, USB, RS485/RS422, Ethernet, etc.
Page 35 αSMARC-EVB1 Alpha SoM Series COM0 [CN5] Signal Name Description SMARC Signal Path Remarks Receive data input SER0_RX RS232 Transmit data output SER0_TX RS232 RTS output SER0_RTS RS232 CTS input SER0_CTS RS232 Table 2.9-2 COM0(CN5) pin assignment COM2 [CN7] Signal Name...
Page 36: Can Bus
αSMARC-EVB1 Alpha SoM Series 2.10 CAN BUS CAN supports two channels, CAN0 and CAN1 (CN4). It is connected to a 2.5 mm x2 row box pin header (CN13). It supports CAN FD with a maximum speed of 5 Mbps. SMARC I/F VDD_IO = 1.8 V...
Page 37: Pci Express (Mini Pcie)
αSMARC-EVB1 Alpha SoM Series 2.11 PCI Express (mini PCIe) PCI Express supports 1 channel of PCI_A. It is connected to a mini PCIe slot, and can be used with wireless LAN, Bluetooth, cellular modules, etc. It also supports USB and SIM cards.
Page 38 αSMARC-EVB1 Alpha SoM Series Mini PCIe Signal Name SMARC Signal Path Signal Name SMARC Signal Path WAKE# PCIE_WAKE# 3.3V_AUX 1.5 V CLKREQ# UIM_PWR UIM_DATA REFCLK- PCIE_A_REFCK- UIM_CLK REFCLK+ PCIE_A_REFCK+ UIM_RST UIM_VPP PERST# PCIE_A_RST# PERN0 PCIE_A_RX- 3.3V_AUX PERP0 PCIE_A_RX+ 1.5 V...
Page 39: Sata
αSMARC-EVB1 Alpha SoM Series 2.12 SATA SATA supports 1 channel. The connector is connected to a 7 pin standard SATA connector (CN21). SMARC I/F CN21 SATA_TX+/- SATA_RX+/- Fig 2.12-1 SATA circuit connection configuration SATA [CN21] Signal Name Description SMARC Signal Path...
Page 40: Hdmi
αSMARC-EVB1 Alpha SoM Series 2.13 HDMI HDMI supports 1 channel. The connector is connected to a standard HDMI connector (CN12). SMARC I/F CN12 HDMI_D [0..2] +/- HDMI_CK+/- HDMI Companion Hot Plug HDMI_HPD Chip I2C_CTRL_CK TPD12S016 I2C_CTRL_DAT +5 V VDD_5V0 Fig 2.13-1 HDMI circuit connection configuration...
Page 41: Gpio
αSMARC-EVB1 Alpha SoM Series 2.14 GPIO GPIO supports 14 channels from GPIO0 to GPIO13. GPIO is assigned to the GPIO connector (CN22) and control of each interface. SMARC I/F VDD_IO = 1.8 V VDD_IO VDD_3V3 CN22 LEVEL GPIO[0..13] to onboard functions SHIFTER 1.8 V ↔...
Page 42: I2C
αSMARC-EVB1 Alpha SoM Series 2.15 I2C I2C supports 5 channels: I2C_CAM0, I2C_CAM1, I2C_PM, I2C_LCD, and I2C_GP. Each channel is connected to the I2C connector (CN1) and each function. SMARC I/F VDD_IO = 1.8 V VDD_IO VDD_3V3 LEVEL I2C_CAM0_CK SHIFTER to CAMERA CH0 I2C_CAM0_DAT 1.8 V ↔...
Page 43: Spi
αSMARC-EVB1 Alpha SoM Series 2.16 SPI SPI supports 1 channel of SPI0. SPI is connected to SPI connector (CN20) and Wireless Module Interface (CN19). SMARC I/F VDD_IO = 1.8 V VDD_IO VDD_3V3 CN20 LEVEL SPI0_CS# SPI0_CK SHIFTER SPI0_DO 1.8 V ↔ 3.3 V...
Page 44: Mode Sw
αSMARC-EVB1 Alpha SoM Series 2.17 Mode SW BOOT_SEL[0..2]#, TEST#, and FORCE_RECOV# are connected to Mode SW (SW1). Open when OFF and Low (shorted to GND) when ON. SMARC I/F Mode SW (SW1) BOOT_SEL0 BOOT_SEL1 BOOT_SEL2 TEST# FORCE_RECOV# Fig 2.17-1 Mode SW circuit connection configuration αSMARC-EVB1 Hardware Manual...
Page 45: Wireless Module Interface
αSMARC-EVB1 Alpha SoM Series 2.18 Wireless Module Interface The Wireless Module Interface is compatible with the wireless LAN/Bluetooth module “WM-RP-10” and is controlled by SPI0 or SER2. The connector is a 0.5 mm stacking connector. WM-RP-10 is an optional part. Install it as necessary.
Page 46: Power Management
αSMARC-EVB1 Alpha SoM Series 2.19 Power Management SMARC-EVB1 operates on a single 5 V power supply. Each voltage is generated by the power circuit and output is controlled by the CARRIER_PWR_ON signal. SMARC I/F Power SW (SW2) POWER_BTN# Battery Holder (BT1)
Page 47: Reset Control
αSMARC-EVB1 Alpha SoM Series 2.20 Reset Control The Reset Control circuit activates the carrier board's internal RESET signal (puts it in the RESET state) when VDD_3V3 is less than 3.0 V or when RESET_OUT#, WDT_TIME_OUT#, or CARRIER_STBY# become active. SMARC I/F...
Page 48: Technical Data
αSMARC-EVB1 Alpha SoM Series 3. Technical Data 3.1 External Dimensions Fig 3.1-1 αSMARC-EVB1 dimensional drawing 3.2 Circuit Diagram Circuit diagrams are only available to product users. Download them from the product page of our website. αSMARC-EVB1 Hardware Manual ©2023 Alpha Project Co., Ltd.
Page 49: Related Products
αSMARC-EVB1 Alpha SoM Series 4. Related Products 4.1 SMARC 2.1 SoM The SoM (System On Module) conforms to the SMARC standard. It can be evaluated by installing it in “αSMARC_EVB1”. αSMARC-IMX8MN αSMARC-IMX8MM αSMARC-RZ/G2E 4.2 αSMARC Development Kit “αSMARC development kit” is a development kit that includes a αSMARC series SoM (System On Module), carrier board, AC adapter, and Linux BSP.
Page 50: Peripheral Expansion Adapter
αSMARC-EVB1 Alpha SoM Series 4.4 Peripheral Expansion Adapter Interface functions can be added by connecting a peripheral expansion adapter to the UART connector (CN7, CN8). PC-RS-04 PC-RS485-01 PC-USB-04 Product Name Function Function Details PC-RS-04 RS232C converter This adapter converts the serial interface to RS232 level.
Page 51: Product Support Information
αSMARC-EVB1 Alpha SoM Series 5. Product Support Information Alpha Project’s product support accepts user registration, repairs, inquiries, etc. See the page below for information. Product Support Page* https://www.apnet.co.jp/support/index.html * Japanese site only. User Registration Please do user registration before requesting repairs or making inquiries.
Page 52: Information On Engineering Services
αSMARC-EVB1 Alpha SoM Series 6. Information on Engineering Services Alpha Project accepts orders for custom products and system development based on our products. We provide integrated service from design to OEM supply according to customers specifications. For details, contact our sales office.
Page 53 αSMARC-EVB1 Alpha SoM Series Revision History Version Number Date Revision Contents Version 1.0 July 26, 2023 Create a new entry...
Page 54 αSMARC-EVB1 Alpha SoM Series About this document ■ Alpha Project Co., Ltd. owns the copyright of this document. ■ Unauthorized reproduction or citation of the contents of this document is prohibited. ■ The contents of this document are subject to change without notice.

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