Ee table 5), Figure 3, Figure 3. in this mode, the t – Rainbow Electronics AT89C51RC User Manual
Page 10: At89c51rc
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AT89C51RC
10
Figure 3. Timer 2 Auto Reload Mode (DCEN = 0)
OSC
EXF2
TF2
T2EX PIN
T2 PIN
TR2
EXEN2
C/T2 = 0
C/T2 = 1
CONTR OL
RELO AD
CONTROL
TRANSITION
DETECTOR
TIMER 2
INTERRUPT
12
RCAP2L
RCAP2H
TH2
TL2
OVERFLOW
Table 5. T2MOD—Timer 2 Mode Control Register
T2MOD Address = 0C9H
Reset Value = XXXX XX00B
Not Bit Addressable
–
–
–
–
–
–
T2OE
DCEN
Bit
7
6
5
4
3
2
1
0
Symbol Function
–
Not implemented, reserved for future
T2OE
Timer 2 Output Enable bit
DCEN
When set, this bit allows Timer 2 to be configured as an up/down counter
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