NEC uPD78056Y - Manual (Page 243)

243
CHAPTER 10 WATCH TIMER
TMC21
Prescaler
Selector
INTWT
5-Bit Counter
f W
2 14
f
W
2 13
INTTM3
To 16-Bit Timer/
Event Counter
Watch Timer Mode
Control Register
TMC26 TMC25 TMC24 TMC23 TMC22 TMC21 TMC20
Internal Bus
TCL24
Timer Clock
Select Register 2
3
f W
2 4
f
W
2 5
f W
2 6
f
W
2 7
f
W
2 8
f
W
2 9
f W
f XX /2 7
f XT
Clear
Clear
Selector
Selector
Selector
Figure 10-1. Watch Timer Block Diagram