26.9.4 NCOxCLK

Note:
  1. PWS applies only when operating in Pulse Frequency mode.
Name: NCOxCLK
Offset: 0x0593

NCO Input Clock Control Register

Bit 76543210 
 PWS[2:0] CKS[3:0] 
Access R/WR/WR/WR/WR/WR/WR/W 
Reset 0000000 

Bits 7:5 – PWS[2:0] NCO Output Pulse Width Select bits(1)

ValueDescription
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 bits

Description
CKS Clock Source
1111-1011 Reserved
1010 CLC4_out
1001 CLC3_out
1000 CLC2_out
0111 CLC1_out
0110 CLKR
0101 SOSC
0100 MFINTOSC (32 kHz)
0011 MFINTOSC (500 kHz)
0010 LFINTOSC
0001 HFINTOSC
0000 FOSC
PWS applies only when operating in Pulse Frequency mode.