21.6.5 Peripheral BUS Clock Enable Mask0 Register
Note: AHB = Advanced High-Performance
Bus
APB = Advanced Peripheral Bus
AXI = Advanced eXtensible Interface
| Symbol | Description | Symbol | Description | Symbol | Description |
|---|---|---|---|---|---|
| R | Readable bit | HC | Cleared by Hardware | (Grey cell) | Unimplemented |
| W | Writable bit | HS | Set by Hardware | X | Bit is unknown at Reset |
| K | Write to clear | S | Software settable bit | — | — |
| Name: | CLKMSK0 |
| Offset: | 0x3C |
| Reset: | 0xFFFFFFFF |
| Property: | PAC Write-Protection |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| MSK31 | MSK30 | MSK29 | MSK28 | MSK27 | MSK26 | MSK25 | MSK24 | ||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| MSK23 | MSK22 | MSK21 | MSK20 | MSK19 | MSK18 | MSK17 | MSK16 | ||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| MSK15 | MSK14 | MSK13 | MSK10 | MSK9 | MSK8 | ||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | |||
| Reset | 1 | 1 | 1 | 1 | 1 | 1 |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| MSK7 | MSK6 | MSK5 | MSK4 | MSK3 | MSK2 | MSK1 | MSK0 | ||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Bits 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 – MSKn Clock Enable Mask
| Bit Number | Description |
|---|---|
| 0 | DSU |
| 1 | DSU |
| 2 | FCW |
| 3 | FCW |
| 4 | FCR |
| 5 | FCR |
| 6 | PM |
| 7 | SUPC |
| 8 | RSTC |
| 9 | OSCCTRL |
| 10 | OSC32KCTRL |
| 11 | (RESERVED ALWAYS = 1) |
| 12 | (RESERVED ALWAYS = 1) |
| 13 | FREQM |
| 14 | WDT |
| 15 | RTC |
| 16 | EIC |
| 17 | PAC |
| 18 | PAC |
| 19 | DRMTCM |
| 20 | MCRAMC |
| 21 | TRAM |
| 22 | PORT |
| 23 | PORT |
| 24 | DMAC |
| 25 | DMAC |
| 26 | Bus Matrix |
| 27 | Bus Matrix |
| 28 | Boot ROM |
| 29 | Boot ROM |
| 30 | EVSYS |
| 31 | SERCOM0 |
| Value | Description |
|---|---|
| 0 | Peripheral Clock is disabled. |
| 1 | Peripheral Clock is enabled. |
Bits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 – MSKn Clock Enable Mask
Note: MSK11 and MSK12 are reserved
and must be set to 1.
| Value | Description |
|---|---|
| 0 | Clock is disabled. |
| 1 | Clock is enabled. |
