User manual

LPC4357 Developer’s Kit - User’s Guide
Page 4
Copyright 2013 © Embedded Artists AB
4.17 SP9: RS422/485 Interface 29
4.18 SP10: CAN 30
4.19 SP10: IrDA 31
4.20 SP11: USB Channel 1 32
4.20.1 USB Channel 1 as USB Host 33
4.20.2 USB Channel 1 as USB Device 33
4.20.3 USB Channel 1 as USB OTG 33
4.21 SP12: USB Channel 2 34
4.21.1 USB Channel 2 (USB0 on LPC4357) as USB Host 35
4.21.2 USB Channel 2 (USB0 on LPC4357) as USB Device 35
4.21.3 USB Channel 2 (USB0 on LPC4357) as USB OTG 35
4.22 SP13: UART-to-USB Bridge 36
4.23 SP13: Power Supply 37
4.24 SP14: LCD Expansion Interface 37
4.25 SP15: I2S Audio Codec 38
4.26 Default Jumpers Positions 40
4.27 Usage of CPU Pins 41
5 Getting Started 47
5.1 Powering 47
5.2 Demo Application 47
5.3 Installing USB Driver 49
5.4 Program Download 49
5.4.1 ISP over USB Program Download 50
5.5 Handling SO-DIMM Boards 54
5.6 Things to Note 54
5.6.1 Humming in Speaker 54
5.6.2 Current Consumption and Limits of USB Ports 55
5.6.3 LCD flickering 55
5.6.4 Initialization of External Memory Bus 56
5.6.5 USB OTG Transceiver 56
5.6.6 External SDRAM Clock Frequency and CLK2_OUT 56
5.6.7 JTAG/SWD Connection Problems 57
6 LCD Expansion Connector 58
7 Troubleshooting 61
7.1 No SWD/JTAG Connection 61
7.2 Powering 61
7.3 Contact with OEM Board MCU 62
7.4 Using Test Program to Verify Correct Operation 62
8 Further Information 63