E6645 Atmel, E6645 Datasheet - Page 5

• Manufacturer Part Number: E6645
• Description: BOARD EVALUATION FOR QT60645
• Manufacturer: Atmel
• Series: Quantumr

Specifications of E6645

• Rohs Status: RoHS non-compliant
• Other names: 427-1048

Shooting
Trouble-
Noisy or erratic
Board will not
communicate
with the PC
calibrate
Will not
signal
Bad serial connections
Bad or conflicting Comm port on PC
Low battery or power supply out of usable range
Excess capacitive load
Shorted X or Y matrix line
Low power supply voltage
Noisy power supply
Matrix or matrix cable too close to a noise source such
as a power line or switching noise source
Ground loop interference
Matrix or matrix cable not mechanically stable
Strong RFI from a transmitter or adjacent digital
product
Insufficient signal filtering
Check/replace serial cable
Use a different PC.
Restore power to within correct range
Reduce burst length, or,
Reduce Cx loading
Increase burst length and threshold level
Increase the detection integrator level
Shut down other tasks that may also be using the
same comm port, IRQ or I/O Address on the PC.
E664/R1.0 03/02