PIC16F722-E/ML Microchip Technology, PIC16F722-E/ML Datasheet - Page 93
![3.5 KB Flash, 1.8V-5.5V, 16 MHz Int. Osc 28 QFN 6x6mm TUBE](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC16F722-E/ML
Manufacturer Part Number
PIC16F722-E/ML
Description
3.5 KB Flash, 1.8V-5.5V, 16 MHz Int. Osc 28 QFN 6x6mm TUBE
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-E/ML
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
3.5KB (2K x 14)
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 ~ 125°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
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
- 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: 93 of 302
- Download datasheet (5Mb)
7.6
7.6.1
If the oscillator module is configured for LP, XT or HS
modes, the Oscillator Start-up Timer (OST) counts
1024 oscillations on the OSC1 pin before the device is
released from Reset. This occurs following a Power-on
Reset (POR) and when the Power-up Timer (PWRT)
has expired (if configured), or a wake-up from Sleep.
During this time, the program counter does not
increment and program execution is suspended. The
OST ensures that the oscillator circuit, using a quartz
crystal resonator or ceramic resonator, has started and
is providing a stable system clock to the oscillator
module.
7.6.2
The External Clock (EC) mode allows an externally
generated logic level as the system clock source. When
operating in this mode, an external clock source is
connected to the OSC1 input and the OSC2 is available
for general purpose I/O. Figure 7-2 shows the pin
connections for EC mode.
The Oscillator Start-up Timer (OST) is disabled when
EC mode is selected. Therefore, there is no delay in
operation after a Power-on Reset (POR) or wake-up
from Sleep. Because the PIC
static, stopping the external clock input will have the
effect of halting the device while leaving all data intact.
Upon restarting the external clock, the device will
resume operation as if no time had elapsed.
FIGURE 7-2:
7.6.3
The LP, XT and HS modes support the use of quartz
crystal resonators or ceramic resonators connected to
OSC1 and OSC2 (Figure 7-3). The mode selects a low,
medium or high gain
inverter-amplifier to support various resonator types
and speed.
LP Oscillator mode selects the lowest gain setting of the
internal inverter-amplifier. LP mode current consumption
is the least of the three modes. This mode is best suited
to drive resonators with a low drive level specification, for
example, tuning fork type crystals.
© 2009 Microchip Technology Inc.
Note 1:
Clock from
Ext. System
External Clock Modes
OSCILLATOR START-UP TIMER
(OST)
EC MODE
LP, XT, HS MODES
Alternate pin functions are described in
Section 6.1 “Alternate Pin Function”.
I/O
EXTERNAL CLOCK (EC)
MODE OPERATION
setting of the internal
OSC1/CLKIN
OSC2/CLKOUT
®
MCU design is fully
PIC
®
MCU
(1)
PIC16F72X/PIC16LF72X
XT Oscillator mode selects the intermediate gain
setting of the internal inverter-amplifier. XT mode
current consumption is the medium of the three modes.
This mode is best suited to drive resonators with a
medium drive level specification.
HS Oscillator mode selects the highest gain setting of the
internal inverter-amplifier. HS mode current consumption
is the highest of the three modes. This mode is best
suited for resonators that require a high drive setting.
Figure 7-3 and Figure 7-4 show typical circuits for
quartz crystal and ceramic resonators, respectively.
FIGURE 7-3:
Note 1: A series resistor (R
Note 1: Quartz crystal characteristics vary according
C1
C2
2: The value of R
2: Always verify oscillator performance over
3: For oscillator design assistance, reference
quartz crystals with low drive level.
selected.
• AN826, “Crystal Oscillator Basics and
• AN849, “Basic PIC
• AN943, “Practical PIC
• AN949, “Making Your Oscillator Work”
to type, package and manufacturer. The
user should consult the manufacturer data
sheets for specifications and recommended
application.
the V
expected for the application.
the following Microchip Applications Notes:
Crystal Selection for rfPIC
Devices” (DS00826)
(DS00849)
Analysis and Design” (DS00943)
(DS00949)
Quartz
Crystal
R
S
DD
(1)
and temperature range that is
QUARTZ CRYSTAL
OPERATION (LP, XT OR
HS MODE)
F
varies with the Oscillator mode
OSC1/CLKIN
OSC2/CLKOUT
R
S
F
) may be required for
(2)
®
Oscillator Design”
PIC
®
Oscillator
DS41341E-page 93
®
®
MCU
and PIC
Sleep
To Internal
Logic
®
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