UPD780957 Datasheet, PDF (189/326 Pages) NEC – 8-Bit Single-Chip Microcontrollers

CHAPTER 11 SAMPLING OUTPUT TIMER/DETECTOR
Figure 11-8 shows the sampling detection timing.
Figure 11-8. Timing Chart of Sampling Detection
[Sampling detection 1]
<When the active level of sampling input is high for interrupt generation>
P33/SMO0
SMP0 to SMP4
Status latching
Interrupt generation timing
<When the active level of sampling input is low for interrupt generation>
P33/SMO0
SMP0 to SMP4
Status latching
Interrupt generation timing
[Sampling detection 2]
<When the active level of sampling input is high for interrupt generation>
P33/SMO0
SMP0 to SMP4
Status latching
Interrupt generation timing
<When the active level of sampling input is low for interrupt generation>
P33/SMO0
SMP0 to SMP4
Status latching
Interrupt generation timing
User’s Manual U13655EJ2V1UD
189