E297S Atmel, E297S Datasheet - Page 5

• Manufacturer Part Number: E297S
• Description: BOARD PROGRAMMING AND TEST
• Manufacturer: Atmel
• Series: Quantumr

Specifications of E297S

• Rohs Status: RoHS non-compliant
• Other names: 427-1040

lq
Shooting
Trouble-
Board will not
communicate
Noisy signal
with the PC
working as
LEDs not
expected
calibrate
Will not
! Bad serial connections
! Bad or conflicting Comm port on PC
! Baud rate setting changed inadvertently
! Dead battery or power supply out of usable range
! Wrong Setups mode
!
!
! Excess capacitive load
!
!
!
! Noise on power supply
!
!
!
!
!
" Check/replace serial cable
" Shut down other tasks that may also be using the
" Use a different PC.
" Restore factory defaults into QTM2000 (see 'Fresh
" Restore power to within correct range
" Check or restore Setups, and / or,
" Hold down BG for 3 seconds
Eeprom wrong type or eeprom not inserted
Shorted sense line
" Restore power to within correct range
"
"
Shorted sense line
Low power supply voltage
Unstable capacitance load due to electrode or wiring
"
"
Electrode too close to power wiring
Noisy load connected OUT line
Ground loop interference
RFI from a transmitter or adjacent digital product
"
"
Insufficient signal filtering
"
Defaults' section)
Reduce burst length, or,
Reduce Cx loading
Add supply filtering capacitors
Use a local supply regulator
Add some series-R to the electrode lead
Shield the board in a metal box
Increase amount of median and/or boxcar filtering
same comm port, IRQ or I/O Address on the PC.
E E 297S