at89c55-16qa ATMEL Corporation, at89c55-16qa Datasheet - Page 9

• Manufacturer Part Number: at89c55-16qa
• Description: 8-bit Microcontroller With Bytes Flash
• Manufacturer: ATMEL Corporation

Figure 3. Timer 2 Auto Reload Mode (DCEN = 1)
Figure 4. Timer 2 in Baud Rate Generator Mode
OSC
÷
T2 PIN
12
C/T2 = 0
C/T2 = 1
TR2
CONTROL
(DOWN COUNTING RELOAD VALUE)
(UP COUNTING RELOAD VALUE)
RCAP2H
0FFH
TH2
RCAP2L
0FFH
TL2
OVERFLOW
T2EX PIN
COUNT
DIRECTION
1=UP
0=DOWN
TOGGLE
INTERRUPT
TIMER 2
TF2
EXF2
4-177