HD6433935 Hitachi, HD6433935 Datasheet - Page 336

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

6. The A/D interrupt handling routine ends.
If ADSF is set to 1 again afterward, A/D conversion starts and steps 2 through 6 take place.
Figures 11-4 and 11-5 show flow charts of procedures for using the A/D converter.
324
Interrupt
(IRRAD)
IENAD
ADSF
Channel 1 (AN
operation state
ADRRH
ADRRL
Note:
*
( ) indicates instruction execution by software.
1
)
A/D conversion starts
Idle
Figure 11-3 Typical A/D Converter Operation Timing
A/D conversion (1)
Set *
Set *
A/D conversion result (1)
Idle
Read conversion result
A/D conversion (2)
Set *
A/D conversion result (2)
Read conversion result
Idle