Table Of Contents - Nuvoton ARM ARM926EL-S User Manual

Table of Contents

OVERVIEW ......................................................................................... 3
1
Brief Introduction to NuMaker-emWin-RDK-N9H20 Demo Board ............................. 4
PCB key parts description ............................................................................ 4
System Circuitry design notes ....................................................................... 6
Main Clock ....................................................................................................... 6
1.3.1
RTC Clock ....................................................................................................... 6
1.3.2
RESET............................................................................................................ 7
1.3.3
Power-on Setting ............................................................................................... 7
1.3.4
Power Desing Notes ........................................................................................... 8
1.3.5
PCB Layout Design Note. ...................................................................... 10
2
USB ..................................................................................................... 10
Signal integrity, SI .................................................................................... 11
Power supply and power filter design consideration ............................................ 12
DDR MVDD & Core Power 1.8V Design .................................................................. 12
2.3.1
I/O 3.3V Power Design....................................................................................... 13
2.3.2
Main Clock 12MHz Design Suggestion ........................................................... 14
RESET Layout Suggestion ......................................................................... 15
NuMaker-emWin-RDK-N9H20 demo board use description .............................. 16
3
System start up........................................................................................ 16
USB Port ............................................................................................... 18
Communication Interface (UART0) uses .......................................................... 18
LCD Interface .......................................................................................... 18
Test Report ........................................................................................ 19
4
Power consumption .................................................................................. 19
ESD Test Report ...................................................................................... 19
EFT Test Result ....................................................................................... 20
EMI Test Result ....................................................................................... 20
NuMaker-emWin-RDK-N9H20 demo board SCHEMATIC ................................ 22
5
N9H20 Schematic .................................................................................... 22
LCD Schematic........................................................................................ 23
Power Schematic ..................................................................................... 24
REVISION HISTORY ............................................................................ 25
6
Mar. 26, 2021
NuMaker-emWin-RDK-N9H20
Page 2 of 25 Rev 1.11