18.5.11 Main Clock Clock Frequency Measure n Window High Threshold
The high threshold in the window of acceptable CFM measure values. The CLKCTRL.MCLKCFMnWINHTL and CLKCTRL.MCLKCFMnWINHTH registers represent the
16-bit value, CLKCTRL.MCLKCFMnWINHT. The low byte [7:0] (suffix L) is accessible at the original offset. The high byte [15:8]
(suffix H) can be accessed at offset + 0x01. The WINHT register is NOT buffered by a TEMP register to ensure a consistent
readout. The MSB of the WINHT register is bit 15. This register is locked when MCLKCFMnCTRLA.MEN = ‘1’ and an
attempted write when locked will generate a bus error.
| Name: | MCLKCFMnWINHT |
| Offset: | 0x14 + n*0x10 [n=0..1] |
| Reset: | 0x00 |
| Property: | - |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| WINHT[15:8] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| WINHT[7:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Bits 15:8 – WINHT[15:8] CFM Window High Threshold
These bits hold the MSB of the 16-bit WINHT register.
Bits 7:0 – WINHT[7:0] CFM Window High Threshold
These bits hold the LSB of the 16-bit WINHT register.