AT89LS52-16SC ATMEL [ATMEL Corporation], AT89LS52-16SC Datasheet - Page 15
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AT89LS52-16SC
Manufacturer Part Number
AT89LS52-16SC
Description
8-bit Low-Voltage Microcontroller with 8K Bytes In-System Programmable Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT89LS52-16SC.pdf
(40 pages)
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Figure 10-3. Timer 2 Auto Reload Mode (DCEN = 1)
Figure 10-4. Timer 2 in Baud Rate Generator Mode
2601B–MICRO–03/05
T2EX PIN
OSC
OSC
T2 PIN
T2 PIN
÷
÷
12
2
TRANSITION
DETECTOR
NOTE: OSC. FREQ. IS DIVIDED BY 2, NOT 12
C/T2 = 0
C/T2 = 1
C/T2 = 0
C/T2 = 1
TR2
EXEN2
TR2
CONTROL
(DOWN COUNTING RELOAD VALUE)
CONTROL
CONTROL
(UP COUNTING RELOAD VALUE)
RCAP2H
0FFH
TH2
RCAP2H
TH2
EXF2
RCAP2L
0FFH
TL2
RCAP2L
TL2
OVERFLOW
INTERRUPT
TIMER 2
T2EX PIN
÷
2
"1"
"1"
COUNT
DIRECTION
1=UP
0=DOWN
TIMER 1 OVERFLOW
"0"
"0"
"0"
TOGGLE
INTERRUPT
"1"
TIMER 2
TF2
÷
÷
SMOD1
RCLK
TCLK
16
AT89LS52
16
EXF2
CLOCK
CLOCK
Rx
Tx
15
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