at89ls8252 ATMEL Corporation, at89ls8252 Datasheet - Page 12
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at89ls8252
Manufacturer Part Number
at89ls8252
Description
At89ls8252, Low Voltage, Downloadable Mcu With 8k Bytes Flash And 2k Bytes Eeprom. For New Designs Use At89s8253.
Manufacturer
ATMEL Corporation
Datasheet
1.AT89LS8252.pdf
(35 pages)
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Figure 3. Timer 2 Auto Reload Mode (DCEN = 1)
Figure 4. Timer 2 in Baud Rate Generator Mode
12
T2EX PIN
OSC
AT89LS8252
T2 PIN
÷
2
TRANSITION
DETECTOR
NOTE: OSC. FREQ. IS DIVIDED BY 2, NOT 12
C/T2 = 0
C/T2 = 1
EXEN2
TR2
CONTROL
CONTROL
RCAP2H
TH2
EXF2
RCAP2L
TL2
INTERRUPT
TIMER 2
÷
2
"1"
"1"
TIMER 1 OVERFLOW
"0"
"0"
"0"
"1"
÷
SMOD1
RCLK
TCLK
÷
16
16
0850C–MICRO–3/06
CLOCK
CLOCK
Rx
Tx