CHAPTER 9 8-BIT TIMERS 30 AND 40User’s Manual U14826EJ5V0UD106 Figure 9-17. Timing of External Event Counter Operation with 16-Bit ResolutionTMI pin inputTM40count valueCR40TCE40INTTM40FFH 00H7FH00HN00HN N N N80H 7FH 80H FFH 00H N 00HN N NTM30count clockTM30 00H X01HCR30 X X X7FH 80H FFH 00H N 00HN N NXX − 1 00HX − 1Not cleared because TM30 does not match Cleared because TM30 and TM40 match simultaneouslyCount startInterrupt not generated becauseTM30 does not matchInterrupt acknowledgement InterruptacknowledgementXXRemark X = 00H to FFH, N = 00H to FFH
