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Aaeon ECB-920A-A11 User Manual Download Page 26

 

 

Chapter 2 

–

 Hardware Information 

 

13

 

COM
 E

xp

res

s C
ar

rier

 Bo

ard

  

 

ECB
-920A

-A11
 

 

 

Label 

Function 

CN49 

Serial Port Connector 

CN51 

PWM FAN Pin Header 

CN54 

Serial Port Connector 

CN56 

LVDS Connector 

CN60 

4-pin 12V Power for COM Express Module 

CN62 

24-pin ATX Power Connector 

CN63 

LVDS Inverter Connector 

CN65 

SPI Connector 

CN77 

PCIe 4.0 [x4] Slot 

CN78 

Quad USB2.0 Ports 

CN84 

LPC Connector 

CN86 

eSPI Connector 

 

2.3.1 

VGA Port (CN1) 

 

Standard Specifications 

 

2.3.2 

Dual Display Port (CN2) 

 

Standard Specifications 

 

2.3.3 

Audio Jack (CN3) 

 

Standard Specifications 

 

 

Summary of Contents for ECB-920A-A11

Page 1: ...Last Updated February 1 2021 ECB 920A A11 COM Express Carrier Board User s Manual 1st Ed ...

Page 2: ...vided in this manual is intended to be accurate and reliable However the original manufacturer assumes no responsibility for its use or for any infringements upon the rights of third parties that may result from its use The material in this document is for product information only and is subject to change without notice While reasonable efforts have been made in the preparation of this document to...

Page 3: ... Celeron are registered trademarks of Intel Corporation Intel Core is a trademark of Intel Corporation ITE is a trademark of Integrated Technology Express Inc IBM PC AT PS 2 and VGA are trademarks of International Business Machines Corporation All other product names or trademarks are properties of their respective owners Omission from this list does not imply any claim of ownership by the publish...

Page 4: ...e setting up your product please make sure the following items have been shipped Item Quantity ECB 920A A11 1 Cable Kit 1 COM Express Type Converter Board 1 If any of these items are missing or damaged please contact your distributor or sales representative immediately ...

Page 5: ...ailed descriptions and explanations on the product s hardware and software features if any its specifications dimensions jumper connector settings definitions and driver installation instructions if any to facilitate users in setting up their product Users may refer to the product page at AAEON com for the latest version of this document ...

Page 6: ... by transient over voltage 7 Always disconnect this device from any AC supply before cleaning 8 While cleaning use a damp cloth instead of liquid or spray detergents 9 Make sure the device is installed near a power outlet and is easily accessible 10 Keep this device away from humidity 11 Place the device on a solid surface during installation to prevent falls 12 Do not cover the openings on the de...

Page 7: ...intrusion to the device iii Exposure to moisture iv Device is not working as expected or in a manner as described in this manual v The device is dropped or damaged vi Any obvious signs of damage displayed on the device 18 DO NOT LEAVE THIS DEVICE IN AN UNCONTROLLED ENVIRONMENT WITH TEMPERATURES BEYOND THE DEVICE S PERMITTED STORAGE TEMPERATURES SEE CHAPTER 1 TO PREVENT DAMAGE ...

Page 8: ...f explosion if the battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions and your local government s recycling or disposal directives Attention Il y a un risque d explosion si la batterie est remplacée de façon incorrecte Ne la remplacer qu avec le même modèle ou équivalen...

Page 9: ...毒有害物质或元素名称及含量 AAEON Main Board Daughter Board Backplane 部件名称 有毒有害物质或元素 铅 Pb 汞 Hg 镉 Cd 六价铬 Cr VI 多溴联苯 PBB 多溴二苯醚 PBDE 印刷电路板 及其电子组件 外部信号 连接器及线材 O 表示该有毒有害物质在该部件所有均质材料中的含量均在 SJ T 11363 2006 标准规定的限量要求以下 X 表示该有毒有害物质至少在该部件的某一均质材料中的含量超出 SJ T 11363 2006 标准规定的限量要求 备注 此产品所标示之环保使用期限 系指在一般正常使用状况下 ...

Page 10: ... Diphenyl Ethers PBDE PCB Other Components O O O O O Wires Connectors for External Connections O O O O O O O The quantity of poisonous or hazardous substances or elements found in each of the component s parts is below the SJ T 11363 2006 stipulated requirement X The quantity of poisonous or hazardous substances or elements found in at least one of the component s parts is beyond the SJ T 11363 20...

Page 11: ...8 2 2 6 AT ATX Mode Selection CN55 8 2 2 7 LVDS BKLT CTRL Selection CN58 9 2 2 8 RTC Clear CMOS Selection CN59 9 2 2 9 LVDS Inverter Voltage Selection CN61 9 2 2 10 LVDS Operating Voltage Selection CN64 9 2 2 11 microSD Card and DIO Selection CN76 10 2 2 12 COM Port TX RX Short CN79 CN80 10 2 2 13 Serial Port Power Selection CN87 10 2 2 14 eDP and LVDS Selection CN88 10 2 2 15 eDP and LVDS DDC AUX...

Page 12: ...Port CN30 17 2 3 15 COM Express Type 6 Row A B Connector CN31 17 2 3 16 COM Express Type 6 Row C D Connector CN32 22 2 3 17 Front Panel Header CN35 27 2 3 18 microSD Slot CN36 27 2 3 19 Digital I O Connector CN41 27 2 3 20 CAN Bus Header CN47 28 2 3 21 Serial Port Connector CN49 28 2 3 22 PWM FAN Pin Header CN51 28 2 3 23 Serial Port Connector CN54 29 2 3 24 LVDS Connector CN56 29 2 3 25 4 pin 12V...

Page 13: ...Preface XIII COM Express Carrier Board ECB 920A A11 2 4 Function Block Diagram 33 ...

Page 14: ...COM Express Carrier Board ECB 920A A11 Chapter 1 Chapter 1 Product Specifications ...

Page 15: ...Ie x4 slot x 2 PCIe x16 slot x 1 Power Supply Type ATX CMOS Battery RTC Battery Socket x 1 BIOS Board Size 12 x 9 6 304mm x 244mm Operating Temperature 32 F 140 F 0 C 60 C Storage Temperature 40 F 176 F 40 C 80 C Operating Humidity 0 90 relative humidity non condensing MTBF Hours Certification CE FCC Class A with COM TGUC6 external test Display VGA 1 D SUB 15 connector LVDS 40 pin 20x2 Dual Channe...

Page 16: ...rage SATA III 6 0 Gbps x 4 Serial Port COM Port 2 wire UART Tx Rx x 2 USB Port Type A connector x 8 USB2 0 x 4 USB3 2 2 0 x4 Audio High Definition Audio SDIO microSD card slot x 1 GPIO 8 bit Programmable Expansion Slot LPC I2C SMBus eSPI CAN Bus Fan Connector 4 pin fan connector x 1 ...

Page 17: ...COM Express Carrier Board ECB 920A A11 Chapter 2 Chapter 2 Hardware Information ...

Page 18: ...Chapter 2 Hardware Information 5 COM Express Carrier Board ECB 920A A11 2 1 Dimensions ...

Page 19: ..._PP Level Selection CN48 Serial Port and CAN Bus Selection CN53 PWM FAN Power Selection CN55 AT ATX Mode Selection CN58 LVDS_BKLT_CTRL Selection CN59 RTC Clear CMOS Selection CN61 LVDS Inverter Voltage Selection CN64 LVDS Operating Voltage Selection CN76 microSD Card and DIO Selection CN79 COM Port TX RX Short CN80 COM Port TX RX Short CN87 Serial Port Power Selection CN88 eDP and LVDS Selection C...

Page 20: ...lected 5V_DUAL for ATX Default Non 5V_DUAL Power Note To prevent unintended operation or damage to system do not connect jumpers on CN38 in any other configuration than shown above 2 2 2 Audio Power Selection CN40 Pins 1 2 Pins 2 3 3 3V Default 1 5V 2 2 3 TPM_PP Level Selection CN43 Pins 1 2 Pins 2 3 Pull up 4 7K to 3 3V Pull down 4 7K to GND Default ...

Page 21: ...to system do not connect jumpers on CN48 in any other configuration than shown above 2 2 5 PWM FAN Power Selection CN53 Pins 1 2 Pins 2 3 12V FAN Voltage Default 5V FAN Voltage 2 2 6 AT ATX Mode Selection CN55 Pins 1 3 and 2 4 selected Pins 3 5 and 4 6 selected ATX Supply Controlled Default ATX Supply in AT Mode Note To prevent unintended operation or damage to system do not connect jumpers on CN5...

Page 22: ... Selection CN58 Pins 1 2 Pins 2 3 SMBUS COM Module Default 2 2 8 RTC Clear CMOS Selection CN59 Pins 1 2 Pins 2 3 Normal Default Clear CMOS 2 2 9 LVDS Inverter Voltage Selection CN61 Pins 1 2 Pins 2 3 12V 5V Default 2 2 10 LVDS Operating Voltage Selection CN64 Pins 1 2 Pins 2 3 5V 3 3V Default ...

Page 23: ...nd DIO Selection CN76 Pins 1 2 Pins 2 3 microSD DIO Default 2 2 12 COM Port TX RX Short CN79 CN80 Pins 1 2 Pins 2 3 TX RX Short Default TX RX Open 2 2 13 Serial Port Power Selection CN87 Pins 1 2 Pins 2 3 3V3_DUAL 3 3V Default 2 2 14 eDP and LVDS Selection CN88 Pins 1 2 Pins 2 3 LVDS Default eDP ...

Page 24: ...nd LVDS DDC AUX Selection CN89 Pins 1 2 Pins 2 3 DDC LVDS Default AUX eDP 2 2 16 eDP and LVDS Backlight Selection CN90 Pins 1 2 Pins 2 3 LVDS Default eDP 2 2 17 BIOS Selection SW1 BIOS Selection Setting Switch 1 Switch 2 Setting OFF OFF Refer to CPU module EC Setting OFF ON ON OFF ON ON ...

Page 25: ...AN RJ45 Dual USB3 2 Gen 2 Ports CN13 SIO Slot CN19 PCIe 4 0 x4 slot CN20 SMBUS Pin Header CN21 Other Function Pin Header CN25 I2C Pin Header CN26 Dual USB3 2 Gen 2 Ports CN28 PCIe 4 0 x16 Slot CN29 SATA III 6 0 Gbps Connector CN30 Display Port CN31 COM Express Type 6 Row A B CN32 COM Express Type 6 Row C D CN33 SATA III 6 0 Gbps Connector CN34 SATA III 6 0 Gbps Connector CN35 Front Panel Header CN...

Page 26: ...CN56 LVDS Connector CN60 4 pin 12V Power for COM Express Module CN62 24 pin ATX Power Connector CN63 LVDS Inverter Connector CN65 SPI Connector CN77 PCIe 4 0 x4 Slot CN78 Quad USB2 0 Ports CN84 LPC Connector CN86 eSPI Connector 2 3 1 VGA Port CN1 Standard Specifications 2 3 2 Dual Display Port CN2 Standard Specifications 2 3 3 Audio Jack CN3 Standard Specifications ...

Page 27: ...TX2_DN 6 EDP_TX2_DP 7 GND 8 EDP_TX1_DN 9 EDP_TX1_DP 10 GND 11 EDP_TX0_DN 12 EDP_TX0_DP 13 GND 14 EDP_TX3_DN 15 EDP_TX3_DP 16 GND 17 EDP_AUX_DN 18 EDP_AUX_DP 19 GND 20 EDP_BKLT_CTL 21 NC 22 EDP_BKLT_EN 23 EDP_LVDS_HPD 24 GND 25 GND 26 GND 27 VCC_LVDS_BLKT 28 VCC_LVDS_BLKT 29 VCC_LVDS_BLKT 30 VCC_LVDS_BLKT 2 3 5 LAN RJ45 Dual USB3 2 Gen 2 Ports CN6 Standard Specifications ...

Page 28: ...4 GND A5 LPC_PME B5 LPC_AD2 A6 LPC_RST B6 SUS_S3 A7 LPC_SERIRQ B7 GND A8 LPC_CLK0 B8 RTCBAT A9 3V3 B9 5V_DUAL A10 3V3 B10 3V3_Dual A11 SUS_S5 B11 PCIE_WAKE A12 GND B12 5V A13 LPC_AD0 B13 GND A14 LPC_AD1 B14 KBD_RST A15 GND B15 KBD_A20GATE A16 LPC_AD3 B16 GND A17 LPC_FRAME B17 WDT_RST A18 GND B18 GND 2 3 7 PCI Express 4 0 x4 Slot CN19 CN77 Standard Specifications ...

Page 29: ...in Name 1 GND 2 SMBDAT_SBY 3 SMBCLK_SBY 4 3V3_DUAL 5V_DUAL Option 2 3 9 Other Function Pin Header CN21 Pin Pin Name Pin Pin Name 1 SMB_ALERT 2 GND 3 BATLOW 4 GND 5 THRMTRIP 6 GND 7 THRM 8 GND 9 PCIE_WAKE 10 GND 2 3 10 I2C Pin Header CN25 Pin Pin Name 1 GND 2 EC_I2C_DAT 3 EC_I2C_CK 4 3V3_DUAL 5V_DUAL Option ...

Page 30: ...0 Gbps Connector CN29 CN33 CN34 CN37 Standard Specifications 2 3 14 Display Port CN30 Standard Specifications 2 3 15 COM Express Type 6 Row A B Connector CN31 Row A Row B Pin Signal Pin Signal A1 GND B1 GND A2 GBE0_MDI3 B2 GBE0_ACT A3 GBE0_MDI3 B3 LPC_FRAME eSPI_CS0 A4 GBE0_LINK100 B4 LPC_AD0 eSPI_IO_0 A5 GBE0_LINK1000 B5 LPC_AD1 eSPI_IO_1 A6 GBE0_MDI2 B6 LPC_AD2 eSPI_IO_2 A7 GBE0_MDI2 B7 LPC_AD3 ...

Page 31: ...E0_MDI0 B13 SMB_CK A14 GBE0_CTREF B14 SMB_DAT A15 SUS_S3 B15 SMB_ALERT A16 SATA0_TX B16 SATA1_TX A17 SATA0_TX B17 SATA1_TX A18 SUS_S4 B18 SUS_STAT A19 SATA0_RX B19 SATA1_RX A20 SATA0_RX B20 SATA1_RX A21 GND B21 GND A22 SATA2_TX B22 SATA3_TX A23 SATA2_TX B23 SATA3_TX A24 SUS_S5 B24 PWR_OK A25 SATA2_RX B25 SATA3_RX A26 SATA2_RX B26 SATA3_RX A27 BATLOW B27 WDT A28 SATA_LED B28 NC A29 HDA_SYNC B29 NC ...

Page 32: ...USB_4_5_OC A39 USB4 B39 USB5 A40 USB4 B40 USB5 A41 GND B41 GND A42 USB2 B42 USB3 A43 USB2 B43 USB3 A44 USB_2_3_OC B44 USB_0_1_OC A45 USB0 B45 USB1 A46 USB0 B46 USB1 A47 VCC_RTC B47 eSPI_EN A48 NC B48 NC A49 NC B49 SYS_RESET A50 LPC_SERIRQ eSPI_CS1 B50 CB_RESET A51 GND B51 GND A52 PCIE_TX5 B52 PCIE_RX5 A53 PCIE_TX5 B53 PCIE_RX5 A54 GPI0_SD_DATA0 B54 GPO1_SD_CMD A55 PCIE_TX4 B55 PCIE_RX4 A56 PCIE_TX...

Page 33: ...IE_TX1 B64 PCIE_RX1 A65 PCIE_TX1 B65 PCIE_RX1 A66 GND B66 WAKE0 A67 GPI2_SD_DATA2 B67 WAKE1 A68 PCIE_TX0 B68 PCIE_RX0 A69 PCIE_TX0 B69 PCIE_RX0 A70 GND B70 GND A71 LVDS_A0 B71 LVDS_B0 A72 LVDS_A0 B72 LVDS_B0 A73 LVDS_A1 B73 LVDS_B1 A74 LVDS_A1 B74 LVDS_B1 A75 LVDS_A2 B75 LVDS_B2 A76 LVDS_A2 B76 LVDS_B2 A77 LVDS_VDD_EN B77 LVDS_B3 A78 LVDS_A3 B78 LVDS_B3 A79 LVDS_A3 B79 LVDS_BKLT_EN A80 GND FIXED B...

Page 34: ..._DIS1 A89 PCIE_CK_REF B89 VGA_RED A90 GND B90 GND A91 SPI_POWER B91 VGA_GREEN A92 SPI_MISO B92 VGA_BLUE A93 GPO0_SD_CLK B93 VGA_HSYNC A94 SPI_CLK B94 VGA_VSYNC A95 SPI_MOSI B95 VGA_I2C_CK A96 GND B96 VGA_I2C_DAT A97 TYPE10 B97 SPI_CS A98 CB_STXD1X B98 SMI A99 CB_SRXD1X B99 SCI A100 GND B100 GND A101 CB_STXD2X B101 CB_FAN_PWM A102 CB_SRXD2X B102 CB_FAN_TACH A103 PCH_LID B103 PCH_SLEEP A104 VCC_12V ...

Page 35: ...tor CN32 Row C Row D Pin Signal Pin Signal C1 GND D1 GND C2 GND D2 GND C3 USB_SSRX0 D3 USB_SSTX0 C4 USB_SSRX0 D4 USB_SSTX0 C5 GND D5 GND C6 USB_SSRX1 D6 USB_SSTX1 C7 USB_SSRX1 D7 USB_SSTX1 C8 GND D8 GND C9 USB_SSRX2 D9 USB_SSTX2 C10 USB_SSRX2 D10 USB_SSTX2 C11 GND D11 GND C12 USB_SSRX3 D12 USB_SSTX3 C13 USB_SSRX3 D13 USB_SSTX3 C14 GND D14 GND C15 NC D15 DDI1_CTRLCLK_AUX C16 NC D16 DDI1_CTRLDATA_AU...

Page 36: ...1_HPD D24 RSVD C25 NC D25 RSVD C26 NC D26 DDI1_PAIR0 C27 RSVD D27 DDI1_PAIR0 C28 RSVD D28 RSVD C29 NC D29 DDI1_PAIR1 C30 NC D30 DDI1_PAIR1 C31 GND D31 GND C32 DDI2_CTRLCLK_AUX D32 DDI1_PAIR2 C33 DDI2_CTRLDATA_AUX D33 DDI1_PAIR2 C34 DDI2_DDC_AUX_SEL D34 DDI1_DDC_AUX_SEL C35 RSVD D35 RSVD C36 NC D36 DDI1_PAIR3 C37 NC D37 DDI1_PAIR3 C38 NC D38 RSVD C39 DDI3_PAIR0 D39 DDI2_PAIR0 C40 DDI3_PAIR0 D40 DDI...

Page 37: ... C48 RSVD D48 RSVD C49 DDI3_PAIR3 D49 DDI2_PAIR3 C50 DDI3_PAIR3 D50 DDI2_PAIR3 C51 GND D51 GND C52 PEG_RX0 D52 PEG_TX0 C53 PEG_RX0 D53 PEG_TX0 C54 NC D54 PEG_LAN_RV C55 PEG_RX1 D55 PEG_TX1 C56 PEG_RX1 D56 PEG_TX1 C57 NC D57 TYPE2 C58 PEG_RX2 D58 PEG_TX2 C59 PEG_RX2 D59 PEG_TX2 C60 GND D60 GND C61 PEG_RX3 D61 PEG_TX3 C62 PEG_RX3 D62 PEG_TX3 C63 RSVD D63 RSVD C64 RSVD D64 RSVD C65 PEG_RX4 D65 PEG_TX...

Page 38: ...ND D73 GND C74 PEG_RX7 D74 PEG_TX7 C75 PEG_RX7 D75 PEG_TX7 C76 GND D76 GND C77 RSVD D77 RSVD C78 PEG_RX8 D78 PEG_TX8 C79 PEG_RX8 D79 PEG_TX8 C80 GND D80 GND C81 PEG_RX9 D81 PEG_TX9 C82 PEG_RX9 D82 PEG_TX9 C83 RSVD D83 RSVD C84 GND D84 GND C85 PEG_RX10 D85 PEG_TX10 C86 PEG_RX10 D86 PEG_TX10 C87 GND D87 GND C88 PEG_RX11 D88 PEG_TX11 C89 PEG_RX11 D89 PEG_TX11 C90 GND D90 GND C91 PEG_RX12 D91 PEG_TX12...

Page 39: ...D95 PEG_TX13 C96 GND D96 GND C97 RSVD D97 RSVD C98 PEG_RX14 D98 PEG_TX14 C99 PEG_RX14 D99 PEG_TX14 C100 GND D100 GND C101 PEG_RX15 D101 PEG_TX15 C102 PEG_RX15 D102 PEG_TX15 C103 GND D103 GND C104 VCC_12V D104 VCC_12V C105 VCC_12V D105 VCC_12V C106 VCC_12V D106 VCC_12V C107 VCC_12V D107 VCC_12V C108 VCC_12V D108 VCC_12V C109 VCC_12V D109 VCC_12V C110 GND D110 GND ...

Page 40: ...l Header CN35 Pin Pin Name Pin Pin Name 1 GND 2 PWRBTN 3 SATA_LED 4 3V3 5 BUZZER 6 5V 7 GND 8 PWRLED 9 GND 10 HWRST 2 3 18 microSD Slot CN36 Standard Specifications 2 3 19 Digital I O Connector CN41 Pin Pin Name Pin Pin Name 1 GPI0 2 GPO0 3 GPI1 4 GPO1 5 GPI2 6 GPO2 7 GPI3 8 GPO3 9 5V 10 GND ...

Page 41: ...ECB 920A A11 2 3 20 CAN Bus Header CN47 Pin Pin Name 1 CANH 2 GND 3 CANL 4 NC 2 3 21 Serial Port Connector CN49 Pin Pin Name Pin Pin Name 1 NC 2 NC 3 SRXD1C 4 NC 5 STXD1C 6 NC 7 NC 8 NC 9 GND 2 3 22 PWM FAN Pin Header CN51 Pin Pin Name 1 GND 2 12V 3 FANOUT 4 PWM ...

Page 42: ...NC 7 NC 8 NC 9 GND 2 3 24 LVDS Connector CN56 Pin Pin Name Pin Pin Name 1 LVDS_BKLT_EN 2 LVDS_BKLT_CTRL 3 GND 4 GND 5 LVDS_A_CK 6 VLCD 7 LVDS_A_CK 8 VLCD 9 GND 10 GND 11 LVDS_A0 12 LVDS_A2 13 LVDS_A0 14 LVDS_A2 15 GND 16 GND 17 LVDS_A1 18 LVDS_A3 19 LVDS_A1 20 LVDS_A3 21 GND 22 GND 23 LVDS_B0 24 LVDS_DDCDAT 25 LVDS_B0 26 LVDS_DDCCLK 27 GND 28 GND 29 LVDS_B1 30 LVDS_B2 ...

Page 43: ...VDS_B2 33 GND 34 GND 35 LVDS_B_CK 36 LVDS_B3 37 LVDS_B_CK 38 LVDS_B3 39 NC 40 NC 2 3 25 4 pin 12V Power for COM Express Module CN60 Standard Specifications 2 3 26 24 pin ATX Power Connector CN62 Standard Specifications 2 3 27 LVDS Inverter Connector CN63 Pin Pin Name 1 5V 2 LVDS_BKLT_CTRL 3 GND 4 GND 5 LVDS_BKLT_EN ...

Page 44: ..._F 4 3 3V 5 SPI_SI_F 6 SPI_CE0 _F 7 NC 2 3 29 Quad USB2 0 Ports CN78 Standard Specifications 2 3 30 LPC Connector CN84 Pin Pin Name Pin Pin Name 1 LPC_AD0 eSPI_IO_0 2 LPC_AD1 eSPI_IO_1 3 LPC_AD2 eSPI_IO_2 4 LPC_AD3 eSPI_IO_3 5 VCC 3 3V 6 LPC_FRAME eSPI_CS0 7 LPC_RST 8 GND 9 LPC_80H_CLK 10 LPC_DRQ0 eSPI_ALERT0 11 LPC_DRQ1 eSPI_ALERT1 12 LPC_SERIRQ_CS1 ...

Page 45: ...M Express Carrier Board ECB 920A A11 2 3 31 eSPI Connector CN86 Pin Pin Name Pin Pin Name 1 LPC_AD0 eSPI_IO_0 2 LPC_AD1 eSPI_IO_1 3 LPC_AD2 eSPI_IO_2 4 LPC_AD3 eSPI_IO_3 5 3V3 6 LPC_FRAME eSPI_CS0 7 LPC_RST 8 GND 9 LPC_80H_CLK 10 3V3_DUAL ...

Page 46: ...Chapter 2 Hardware Information 33 COM Express Carrier Board ECB 920A A11 2 4 Function Block Diagram ...

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