PIC12F609-H/MD MICROCHIP [Microchip Technology], PIC12F609-H/MD Datasheet - Page 37
PIC12F609-H/MD
Manufacturer Part Number
PIC12F609-H/MD
Description
8-Pin, Flash-Based 8-Bit CMOS Microcontrollers
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC12F609-HMD.pdf
(212 pages)
- Current page: 37 of 212
- Download datasheet (2Mb)
4.0
4.1
The Oscillator module has a wide variety of clock
sources and selection features that allow it to be used
in a wide range of applications while maximizing perfor-
mance and minimizing power consumption. Figure 4-1
illustrates a block diagram of the Oscillator module.
Clock sources can be configured from external
oscillators, quartz crystal resonators, ceramic resonators
and Resistor-Capacitor (RC) circuits. In addition, the
system clock source can be configured with a choice of
two selectable speeds: internal or external system clock
source.
FIGURE 4-1:
2010 Microchip Technology Inc.
OSC2
OSC1
OSCILLATOR MODULE
Overview
External Oscillator
PIC
®
INTOSC
8 MHz
MCU CLOCK SOURCE BLOCK DIAGRAM
Internal Oscillator
Sleep
PIC12F609/615/617/12HV609/615
Postscaler
4 MHz
The Oscillator module can be configured in one of eight
clock modes.
3.
4.
5.
6.
7.
8.
9.
10. INTOSCIO – Internal oscillator with I/O on
Clock Source modes are configured by the FOSC<2:0>
bits in the Configuration Word register (CONFIG). The
Internal Oscillator module provides a selectable
system clock mode of either 4 MHz (Postscaler) or
8 MHz (INTOSC).
LP, XT, HS, RC, RCIO, EC
EC – External clock with I/O on OSC2/CLKOUT.
LP – 32 kHz Low-Power Crystal mode.
XT – Medium Gain Crystal or Ceramic Resonator
Oscillator mode.
HS – High Gain Crystal or Ceramic Resonator
mode.
RC – External Resistor-Capacitor (RC) with
F
RCIO – External Resistor-Capacitor (RC) with
I/O on OSC2/CLKOUT.
INTOSC – Internal oscillator with F
on OSC2 and I/O on OSC1/CLKIN.
OSC1/CLKIN and OSC2/CLKOUT.
OSC
/4 output on OSC2/CLKOUT.
INTOSC
(Configuration Word Register)
IOSCFS<7>
FOSC<2:0>
(CPU and Peripherals)
DS41302D-page 37
System Clock
OSC
/4 output
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