src
Contains fields that select the source clocks for the flash controllers.
Fields are only reset by a cold reset.
| Module Instance | Base Address | Register Address |
|---|---|---|
| clkmgr | 0xFFD04000 | 0xFFD040AC |
Offset: 0xAC
Access: RW
Important: To prevent indeterminate
system behavior, reserved areas of memory must not be accessed by software or
hardware. Any area of the memory map that is not explicitly defined as a register
space or accessible memory is considered reserved.
| Bit Fields | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
Reserved |
|||||||||||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved |
qspi RW 0x1 |
nand RW 0x1 |
sdmmc RW 0x1 |
||||||||||||
src Fields
| Bit | Name | Description | Access | Reset | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5:4 | qspi | Selects the source clock for the QSPI. and user documentation refer to f2s_periph_ref_clk as f2h_periph_ref_clk.
|
RW | 0x1 | ||||||||
| 3:2 | nand | Selects the source clock for the NAND. and user documentation refer to f2s_periph_ref_clk as f2h_periph_ref_clk.
|
RW | 0x1 | ||||||||
| 1:0 | sdmmc | Selects the source clock for the SDMMC. and user documentation refer to f2s_periph_ref_clk as f2h_periph_ref_clk.
|
RW | 0x1 |