PIC16LF1507 Datasheet, PDF (178/266 Pages) Microchip Technology – 20-Pin Flash, 8-Bit Microcontrollers

FIGURE 21-1:
NUMERICALLY CONTROLLED OSCILLATOR (NCOx) MODULE SIMPLIFIED BLOCK DIAGRAM
Increment
16
(1)
Buffer
16
Interrupt event
NCO1CLK
LC1OUT
FOSC
HFINTOSC
11
10
01
00 _NxEN
2
NxCKS<1:0>

20
Accumulator
20
Overflow
NCOx Clock
D
Q
Q
Overflow ^S
Q
R
Q
0
1
NxPFM
NxPOL
NCOx Clock
3
NxPWS<2:0>
Ripple Counter ^Reset
Set NCOxIF flag
To CLC and
CWG modules
To NxOUT bit
NxOE
TRIS Control
NCOx
Note 1: The increment registers are double-buffered to allow for value changes to be made without first disabling the NCOx
module. They are shown here for reference. The buffers are not user-accessible.