PIC16LF1904 Datasheet, PDF (58/288 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC16LF1904/6/7
FIGURE 6-1:
SIMPLIFIED PIC^® MCU CLOCK SOURCE BLOCK DIAGRAM
CLKIN
CLKIN
EC
Secondary Oscillator
T1CKI/
T1OSO
T1OSI
Secondary
Oscillator
(T1OSC)
Internal Oscillator
Start-up
Control
Logic
16 MHz
Primary Osc
Start-Up Osc
LF-INTOSC
(31 kHz)
IRCF<3:0>
4
4
/1
/2
/4
/8
/16
/32
/64
/128
/256
/512
HF-16 MHz
HF-8 MHz
HF-4 MHz
HF-2 MHz
HF-1 MHz
HF-500 kHz
HF-250 kHz
HF-125 kHz
HF-62.5 kHz
1111
1110
1101
1100
1011
1010/
0111
1001/
0110
1000/
0101
0100
HF-31.25 kHz
LF-31 kHz
0011
0010
0001
0000
Low Power Mode
Event Switch
(SCS<1:0>)
2
Primary Clock
00
Secondary Clock ⁰¹
INTOSC
1x
DS41569A-page 58
Preliminary
 2011 Microchip Technology Inc.