ATAR862-3_07 Datasheet, PDF (68/112 Pages) ATMEL Corporation – Microcontroller with UHF ASK/FSK Transmitter

23.6.2 Timer 3 Control Register 1 (T3C) Write
Write
Bit 3
T3EIM
Bit 2
T3TOP
Bit 1
T3TS
Primary register address: "C"hex - Write
Bit 0
T3R
Reset value: 0000b
T3EIM
T3TOP
T3TS
T3R
Timer 3 Edge Interrupt Mask
T3EIM = 0, disables the interrupt when an edge event for Timer 3 occurs (T3I)
T3EIM = 1, enables the interrupt when an edge event for Timer 3 occurs (T3I)
Timer 3 Toggle Output Preset T3TOP = 0, sets toggle output (M3) to "0"
............. .......T3TOP = 1, sets toggle output (M3) to "1"
............. .......Note: If T3R = 1, no output preset is possible
Timer 3 Toggle with Start . T3TS = 0, Timer 3 output is not toggled during the start
...... ...... T3TS = 1, Timer 3 output is toggled if started with T3R
Timer 3 Run
...... ...... T3R = 0, Timer 3 stop and reset
...... ...... T3R = 1, Timer 3 run
23.6.3 Timer 3 Status Register 1 (T3ST) Read
Read
Bit 3
---
Bit 2
T3ED
Bit 1
T3C2
Primary register address: "C"hex - Read
Bit 0
T3C1
Reset value: x000b
T3ED
T3C2
T3C1
Timer 3 Edge Detect
This bit will be set by the edge-detect logic of Timer 3 input (T3I)
Timer 3 Compare 2
This bit will be set when a match occurs between Counter 3 and T3CO2
Timer 3 Compare 1
This bit will be set when a match occurs between Counter 3 and T3CO1
Note: The status bits T3C1, T3C2 and T3ED will be reset after a READ access to T3ST.
68 ATAR862-3
4556H–4BMCU–07/07