| Offset | Field | Description |
|---|---|---|
| 0x0 | PITC_PIMR (SYSC_PIMR) | Period Interval Mode Register |
| 0x4 | PITC_PISR (SYSC_PISR) | Period Interval Status Register |
| 0x8 | PITC_PIVR (SYSC_PIVR) | Period Interval Value Register |
| 0xC | PITC_PIIR (SYSC_PIIR) | Period Interval Image Register |
| Offset | Name | Description |
|---|---|---|
| 19..0 | SYSC_PIV AT91C_SYSC_PIV | Periodic Interval Value Defines the value loaded in the 20-bit counter of the Period Interval Timer. |
| 24 | SYSC_PITEN AT91C_SYSC_PITEN | Periodic Interval Timer Enabled 0 = The PIT is disabled, when the PIV value is reached. 1 = The PIT is enabled. |
| 25 | SYSC_PITIEN AT91C_SYSC_PITIEN | Periodic Interval Timer Interrupt Enable 0 = The bit PITS in SYSC_PISR has no effect on SCIRQ. 1 = The bit PITS in SYSC_PISR asserts SCIRQ. |
| Offset | Name | Description |
|---|---|---|
| 0 | SYSC_PITS AT91C_SYSC_PITS | Periodic Interval Timer Status 0 = The PIT has not reached PIV since the last read of SYSC_PIVR. 1 = The PIT has reached PIV since the last read of SYSC_PIVR. |
| Offset | Name | Description |
|---|---|---|
| 19..0 | SYSC_CPIV AT91C_SYSC_CPIV | Current Periodic Interval Value Returns the current value of the periodic interval timer. |
| 31..20 | SYSC_PICNT AT91C_SYSC_PICNT | Periodic Interval Counter Returns the number of occurence of periodic intervals since the last read of SYSC_PIVR. |
| Offset | Name | Description |
|---|---|---|
| 19..0 | SYSC_CPIV AT91C_SYSC_CPIV | Current Periodic Interval Value Returns the current value of the periodic interval timer. |
| 31..20 | SYSC_PICNT AT91C_SYSC_PICNT | Periodic Interval Counter Returns the number of occurence of periodic intervals since the last read of SYSC_PIVR. |