XE8000EV101 Semtech, XE8000EV101 Datasheet - Page 7

• Manufacturer Part Number: XE8000EV101
• Description: EVAL BOARD FOR XE8801AMI027LF
• Manufacturer: Semtech
• Type: MCUr

Specifications of XE8000EV101

• Contents: Fully Assembled Evaluation Board
• For Use With/related Products: XE88LC01AMI027
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

4 Troubleshooting
4.1
This section is intended to help the XE8000EV101 users to perform basic hardware debugging.
4.2
This chapter contains the following points:
•
•
4.3
The software that should use the Xtal peripheral seems to be locked.
Possible causes:
When using the ProStart II (XE8000MP) as power supply, the VDDA seems to be unstable.
Possible causes:
4.4
The board presents a short circuit between VDDA and GND.
Possible causes:
The power supply of the battery is not present on the VDDA line.
Possible causes:
The power supply of the external power supply is not present on the VDDA pin.
Possible causes:
© Semtech 2006
XE8000EV101 functionality
XE8000EV101 hardware
Introduction
Highlights
XE8000EV101 functionality
XE8000EV101 hardware
1 The jumper "quartz" is removed
2 You have disturbed the xin and xout lines with an oscilloscope probe.
3 The Xtal is not correctly soldered on the board.
4 The Xtal is damaged.
1 When the PortB 7 is not used as UART RX and the RS232 line driver creates an
2 The power consumption of your application is above 500mA
1 The battery carrier has been damaged and the + contact touches the - : just put a
2 If you are measuring a signal on the board, be careful when using the ground
1 The power switch is in the wrong position, to use the battery the switch must be
2 The board is connected to a XE8000MP, in this case user power supplies are
1 The power switch is in the wrong position, to use the external power supply the
2 The board is connected to a XE8000MP, in this case, user power supplies are
output conflict, simply remove the RS232 cable from the ProStart II (XE8000MP)
and the RS232 output will go to High Z.
piece of paper between the two contacts
connection on the headers
off.
bypassed.
switch must be on.
bypassed.
7
Users Guide XE8000EV101
Evaluation Board for the
XE88LC01MI027
www.semtech.com