UPD78F9418AGK-9EU Renesas Electronics America, UPD78F9418AGK-9EU Datasheet - Page 152

• Manufacturer Part Number: UPD78F9418AGK-9EU
• Manufacturer: Renesas Electronics America

Specifications of UPD78F9418AGK-9EU

• Lead Free Status / Rohs Status: Supplier Unconfirmed

150
(6)
Figure 10-8. Conversion Result Readout Timing (When Conversion Result Is Undefined Value)
Noise elimination
To maintain a resolution of 8 bits, it is necessary to avoid noise at the AV
higher the output impedance of the analog input source, the larger the effect by noise. To eliminate noise,
attach an external capacitor to the relevant pins as shown in Figure 10-10.
Figure 10-9. Conversion Result Readout Timing (When Conversion Result Is Normal Value)
ADCR0
INTAD0
ADCS0
INTAD0
ADCS0
ADCR0
CHAPTER 10 8-BIT A/D CONVERTER ( PD789407A SUBSERIES)
Normal conversion result read out
A/D conversion end
A/D conversion end
A/D operation stopped
User’s Manual U13952EJ3V1UD
Normal conversion result
Normal conversion result
A/D operation stopped
Normal conversion
A/D conversion end
result read out
Undefined value
REF
value read out
and ANI0 to ANI6 pins. The
Undefined