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UserManual

PDTech Co., LTD edited this page Nov 17, 2016 · 13 revisions

1. INTRODUCTION

1.1 WHAT IS JF4418 ?

JF4418 is a high performance single board computer (SBC) and low cost, high-expansion embedded platform using a low cost S5PC4418 quad-core ARM cortex-A9 processor from Samsung.

1.2 FEATURES

  • CPU S5P4418 Quad-core ARM Cortex-A9 1.4GHz.
  • RAM 1GB DDR3 800MHz.
  • eMMC (option).
  • Micro SD Card.
  • WIFI 802.11 b/g/n + Bluetooth BLE 4.0 combo module inside .
  • USB 2.0 host x 4 ports.
  • USB OTG for Android debugging.
  • USB to COM for system console.
  • Gigabit ETH port.
  • TFT LCD 24bit RGB interface.
  • HDMI 1.4a Full HD 1080p support.
  • CSI Camera sensor input.
  • Audio HP, MIC in , speaker out ports.
  • GPIO Header.
  • 5V DC power supply input.

1.3 BOARD PHYSICAL DIMENSION

JF4418 board dimension (mm) as the following image

1.4 BOARD COMPONENT DESCRIPTION

1.4.1 TOP VIEW

  1. GPIO extension Header.
  2. RTC backup battery holder.
  3. 5VDC power connector.
  4. CSI Cammera connector.
  5. AP6212 combo WIFI + Bluetooth BLE module.
  6. 2 x DDR3 DDRAM chip.
  7. Speaker, head phone out, mic in connector.
  8. TFT LCD FPC connector.
  9. JTAG (DNP)
  10. USB OTG connector.
  11. USB to COM connector.
  12. 4 x USB host connector.
  13. HDMI type A connector.
  14. GB ethernet RG45 connector.

1.4.2 BOTTOM VIEW

  1. Reset button
  2. Android PWR button key
  3. Micro SD card socket

1.5 BOARD IO HEADER DESCRIPTION

  • GPIO high level 3.3V.
  • GPIO low level 0V.
  • DC3V3 is regulated voltage output, maximum current ~ 2A (includes on board components).
  • DC5V is 5V over voltage protected output, maximum current ~3.4A depends on IRML6401 MOSFET.

2. SOFTWARE INSTALLATION GUIDE

2.1 DISK PARTITION INFORMATION

JF4418 can boot Linux via micro SC card, partition of disk drive as below table

Partition File System Format content
0 FAT32 uImage
1 EXT4 Linux rootfs

Please read this for device connection detail

2.2 BUILD ENVIRONMENT REQUIREMENT

Goto Environment Setting for more detail

2.3 INSTALL LINUX FROM PREBUILT IMAGE

Goto Install Prebuilt Image for more detail

2.4 INSTALL LINUX FROM SOURCE CODE

Goto Install From Buildroot Source for more detail

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