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Draw the format of TMOD SFR and write significance of each bit OR Draw 8 bit format of TMOD SFR and explain how modes of timer can be selected using TMOD.
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written 5.3 years ago by
teamques10
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• modified 5.2 years ago |
GATE: Starts and stops Timer / Counter by means of a signal provided to the pin $ \bar{INT} / \bar{INT}0$
M1 - Timer / Counter operates only if the bit $ \bar{INT} / \bar{INT}0$ is set
M0 - Timer / Counter operates regardless of the state of the bit $ \bar{INT} / \bar{INT}0$
C/$\bar{T}$ : Timer of Counter selector cleared for timer operation (input from internal system clock) . Set for counter operations (input from $T_x$ input pin)
M1,M0: These two bits selects the Timer operating modes.
| M1 | M0 | Mode | Description |
|---|---|---|---|
| 0 | 0 | 0 | 13-bit timer |
| 0 | 1 | 1 | 16-bit timer |
| 1 | 0 | 2 | 8-bit auto-reload |
| 1 | 1 | 3 | split mode |
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