PIC16F722-I/ML Microchip Technology, PIC16F722-I/ML Datasheet - Page 90
![IC PIC MCU FLASH 2KX14 28-QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC16F722-I/ML
Manufacturer Part Number
PIC16F722-I/ML
Description
IC PIC MCU FLASH 2KX14 28-QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.AC164112.pdf
(302 pages)
2.PIC16F722-ISS.pdf
(8 pages)
3.PIC16F722-ISS.pdf
(10 pages)
4.PIC16F722-ISS.pdf
(32 pages)
5.PIC16F722-ISS.pdf
(2 pages)
6.PIC16F722-ISS.pdf
(8 pages)
Specifications of PIC16F722-I/ML
Core Size
8-Bit
Program Memory Size
3.5KB (2K x 14)
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Core Processor
PIC
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Number Of I /o
25
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 11x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Controller Family/series
PIC16F
No. Of I/o's
25
Ram Memory Size
128Byte
Cpu Speed
20MHz
No. Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164112 - VOLTAGE LIMITER MPLAB ICD2 VPPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
- AC164112 PDF datasheet
- PIC16F722-ISS PDF datasheet #2
- PIC16F722-ISS PDF datasheet #3
- PIC16F722-ISS PDF datasheet #4
- PIC16F722-ISS PDF datasheet #5
- PIC16F722-ISS PDF datasheet #6
- Current page: 90 of 302
- Download datasheet (5Mb)
PIC16F72X/PIC16LF72X
7.2
Clock source modes can be classified as external or
internal.
• Internal clock source (INTOSC) is contained
• External clock modes rely on external circuitry for
The system clock can be selected between external or
internal clock sources via the FOSC bits of the
Configuration Word 1.
7.3
The oscillator module has eight output frequencies
derived from a 500 kHz high precision oscillator. The
IRCF bits of the OSCCON register select the
postscaler applied to the clock source dividing the
frequency by 1, 2, 4 or 8. Setting the PLLEN bit of the
Configuration Word 1 locks the internal clock source to
16 MHz before the postscaler is selected by the IRCF
bits. The PLLEN bit must be set or cleared at the time
of programming; therefore, only the upper or low four
clock source frequencies are selectable in software.
7.3.1
The INTOSC and INTOSCIO modes configure the
internal oscillators as the system clock source when
the device is programmed using the oscillator selection
or the FOSC<2:0> bits in the CONFIG1 register. See
Section 8.0
information.
In INTOSC mode, OSC1/CLKIN is available for general
purpose I/O. OSC2/CLKOUT outputs the selected
internal oscillator frequency divided by 4. The CLKOUT
signal may be used to provide a clock for external
circuitry, synchronization, calibration, test or other
application requirements.
In
OSC2/CLKOUT are available for general purpose I/O.
DS41341E-page 90
within the oscillator module and derived from a
500 kHz high precision oscillator. The oscillator
module has eight selectable output frequencies,
with a maximum internal frequency of 16 MHz.
the clock source. Examples are: oscillator mod-
ules (EC mode), quartz crystal resonators or
ceramic resonators (LP, XT and HS modes) and
Resistor-Capacitor (RC) mode circuits.
INTOSCIO
Clock Source Modes
Internal Clock Modes
INTOSC AND INTOSCIO MODES
“Device
mode,
Configuration”
OSC1/CLKIN
for
more
and
7.3.2
The output of the 500 kHz INTOSC and 16 MHz
INTOSC, with Phase Locked Loop enabled, connect to
a postscaler and multiplexer (see Figure 7-1). The
Internal Oscillator Frequency Select bits (IRCF) of the
OSCCON register select the frequency output of the
internal oscillator. Depending upon the PLLEN bit, one
of four frequencies of two frequency sets can be
selected via software:
If PLLEN = 1, frequency selection is as follows:
• 16 MHz
• 8 MHz (Default after Reset)
• 4 MHz
• 2 MHz
If PLLEN = 0, frequency selection is as follows:
• 500 kHz
• 250 kHz (Default after Reset)
• 125 kHz
• 62.5 kHz
There is no start-up delay before a new frequency
selected in the IRCF bits takes effect. This is because
the old and new frequencies are derived from INTOSC
via the postscaler and multiplexer.
Start-up delay specifications are located in the
Table 23-2
Specifications”.
Note:
FREQUENCY SELECT BITS (IRCF)
Following any Reset, the IRCF<1:0> bits of
the OSCCON register are set to ‘10’ and
the frequency selection is set to 8 MHz or
250 kHz. The user can modify the IRCF
bits to select a different frequency.
in
© 2009 Microchip Technology Inc.
Section 23.0
“Electrical
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