at89c52-12qi ATMEL Corporation, at89c52-12qi Datasheet - Page 8
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at89c52-12qi
Manufacturer Part Number
at89c52-12qi
Description
8-bit Microcontroller With 8k Bytes Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C52-12QI.pdf
(24 pages)
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Figure 2. Timer 2 Auto Reload Mode (DCEN = 0)
Table 4. T2MOD – Timer 2 Mode Control Register
8
Symbol
–
T2OE
DCEN
T2MOD Address = 0C9H
Not Bit Addressable
Bit
T2EX PIN
OSC
T2 PIN
–
7
Function
Not implemented, reserved for future
Timer 2 Output Enable bit.
When set, this bit allows Timer 2 to be configured as an up/down counter.
÷12
AT89C52
TRANSITION
DETECTOR
–
6
C/T2 = 0
C/T2 = 1
–
5
EXEN2
TR2
–
4
CONTROL
CONTROL
RELOAD
–
3
RCAP2H
TH2
–
2
RCAP2L
TL2
Reset Value = XXXX XX00B
T2OE
OVERFLOW
1
EXF2
TF2
DCEN
0
INTERRUPT
TIMER 2