8-BIT TIMER A/B S3C8245/P8245/C8249/P8249
11-8
Timer B Clock
0H
TBOF = '0'
TBDATAL = 01-FFH
TBDATAH = 00H
TBOF = '0'
TBDATAL = 00H
TBDATAH = 01-FFH
TBOF = '0'
TBDATAL = 00H
TBDATAH = 00H
TBOF = '1'
TBDATAL = 00H
TBDATAH = 00H
Low
High
Low
High
Timer B Clock
TBOF = '1'
TBDATAL = DEH
TBDATAH = 1EH
TBOF = '0'
TBDATAL = DEH
TBDATAH = 1EH
TBOF = '1'
TBDATAL = 7EH
TBDATAH = 7EH
TBOF = '0'
TBDATAL = 7EH
TBDATAH = 7EH
0H 100H 200H
E0H
20H
20H
E0H
80H
80H
80H 80H
Figure 11-6. Timer B Output Flip-Flop Waveforms in Repeat Mode