Timer
Each timer runs at a defined frequency that is not necessarily the cpu frequency.
Registers
| Offset | Size | Access | Description |
|---|---|---|---|
0x000 |
2 | RW | Timer Value |
0x002 |
2 | RW | Timer Limit |
0x004 |
2 | RW | Prescaler |
0x006 |
2 | RW | Control |
Timer Value increments each time Prescaler-1 clocks have happened. When Timer Value reaches Timer Limit, the Timer Value is reset to 0 and a IRQ is raised if enabled.
Status / Control
| Bit Range | Description |
|---|---|
[0] |
Enable Timer |
[1] |
Enable IRQ |
[15:2] |
reserved, must be 0 |