Fujitsu F2MC-8L MB89620 Series Hardware Manual page 280

l Error
The smaller the
Turn-on sequence for A/D converter power supply and analog inputs
l
Always apply the A/D converter power supply (AV
the same time or after turning on the digital power supply (V
Similarly, when power supply is turned off, always turn off the A/D converter power supply
(AV , AV
CC
power supply (V
Take care that AV
voltage when turning the A/D converter power supply on or off.
Continuous activation by timebase timer output
l
If the continuous activation is executed by the timebase timer output (ADC2: EXT = "1", ADCK =
"0"), the timebase timer, if cleared, will affect the cycle of the continuous activation.
MB89620 series

AVR – AV , the greater the error would become relatively.
SS
) and analog inputs (AN0 to AN7) at the same time or before turning off the digital
SS
).
CC
, AV , and the analog inputs do not exceed the digital power supply
CC SS
, AV ) and analog inputs (AN0 to AN7) at
CC SS
).
CC
CHAPTER 13 A/D CONVERTER
13
259