34.8.2 NCOxCLK
Note:
- PWS applies only when operating in Pulse Frequency mode.
| Name: | NCOxCLK |
| Address: | 0x0447 |
NCO Input Clock Control Register
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| PWS[2:0] | CKS[4:0] | ||||||||
| 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 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 4:0 – CKS[4:0] NCO Clock Source Select
| CKS | Clock Source | Active in Sleep | ||
|---|---|---|---|---|
| Value | NCO1 | |||
11111 - 10101 |
Reserved | - | ||
10100 |
CLC8_OUT | No | ||
10011 |
CLC7_OUT | No | ||
10010 |
CLC6_OUT | No | ||
10001 |
CLC5_OUT | No | ||
10000 |
CLC4_OUT | No | ||
01111 |
CLC3_OUT | No | ||
01110 |
CLC2_OUT | No | ||
01101 |
CLC1_OUT | No | ||
01100 |
TU16B_OUT | No | ||
01011 |
TU16A_OUT | No | ||
01010 |
TMR6_OUT | Yes | ||
01001 |
TMR4_OUT | No | ||
01000 |
TMR2_OUT | No | ||
00111 |
CLKREF | No | ||
00110 |
EXTOSC | Yes | ||
00101 |
SOSC | Yes | ||
00100 |
MFINTOSC (31.25 kHz) | Yes | ||
00011 |
MFINTOSC (500 kHz) | Yes | ||
00010 |
LFINTOSC | Yes | ||
00001 |
HFINTOSC | Yes | ||
00000 |
FOSC | No | ||
