Rainbow Electronics AT89LV55 - Manual (Page 9)

AT89LV55
9
Figure 3. Timer 2 Auto Reload Mode (DCEN = 1)
Figure 4. Timer 2 in Baud Rate Generator Mode
OSC
EXF2
TF2
T2EX PIN
COUNT
DIRECTION
1=UP
0=DOWN
T2 PIN
TR2
CONTROL
OVERFLOW
(DOWN COUNTING RELOAD VALUE)
(UP COUNTING RELOAD VALUE)
TOGGLE
TIMER 2
INTERRUPT
12
RCAP2L RCAP2H
0FFH 0FFH
TH2 TL2
C/T2 = 0
C/T2 = 1
ч