22.8.2 NCOxCLK
Note:
- PWS applies only when operating in Pulse Frequency mode.
Name: | NCOxCLK |
Offset: | 0x0493 |
NCO Input Clock Control Register
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
PWS[2:0] | CKS[3:0] | ||||||||
Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | ||
Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bits 7:5 – PWS[2:0] NCO Output Pulse-Width Select(1)
Value | Description |
---|---|
111 | NCO output is active for 128 input clock periods |
110 | NCO output is active for 64 input clock periods |
101 | NCO output is active for 32 input clock periods |
100 | NCO output is active for 16 input clock periods |
011 | NCO output is active for 8 input clock periods |
010 | NCO output is active for 4 input clock periods |
001 | NCO output is active for 2 input clock periods |
000 | NCO output is active for 1 input clock periods |
Bits 3:0 – CKS[3:0] NCO Clock Source Select
CKS | Clock Source | Active in Sleep | ||
---|---|---|---|---|
Value | NCO1 | |||
1111-1110 | Reserved | - | ||
1101 | CLC4_OUT | No | ||
1100 | CLC3_OUT | No | ||
1011 | CLC2_OUT | No | ||
1010 | CLC1_OUT | - | ||
1001 | TMR6_postscaled_OUT | No | ||
1000 | TMR4_postscaled_OUT | No | ||
0111 | TMR2_postscaled_OUT | No | ||
0110 | EXTOSC | Yes | ||
0101 | SOSC | Yes | ||
0100 | MFINTOSC (32 kHz) | Yes | ||
0011 | MFINTOSC (500 kHz) | Yes | ||
0010 | LFINTOSC | Yes | ||
0001 | HFINTOSC | Yes | ||
0000 | FOSC | No |