Electronics America Computer Hardware User Manual

238
µ PD78214 Sub-Series
Fig. 8-12 Scan-Mode A/D Conversion Started by Hardware
AN0AN2AN1AN0
AN0 AN1 AN2AN1
AN0
AN1AN0AN0AN0AN2AN1AN0
ADCR
AN0
ADM writing CS←1, TRG←1
A/D conversion (scans AN0 to AN2)
Standby state
INTP5 pin input (rising edge valid)
INTAD
INTAD accepted
AN1 AN2 AN0
Standby state
ADM rewriting CS←1, TRG←1
AN2AN1