PIC18LF25K22-E/SS Microchip Technology, PIC18LF25K22-E/SS Datasheet - Page 35
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PIC18LF25K22-E/SS
Manufacturer Part Number
PIC18LF25K22-E/SS
Description
32KB, Flash, 1536bytes-RAM,8-bit Family,nanoWatt XLP 28 SSOP .209in TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Specifications of PIC18LF25K22-E/SS
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 19x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18LF25K22-E/SS
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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2.4.3
The LP, XT and HS modes support the use of quartz
crystal resonators or ceramic resonators connected to
OSC1 and OSC2
medium or high gain setting of the internal 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.
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 offers a Medium Power (MP) and a
High Power (HP) option selectable by the FOSC<3:0>
bits. The MP selections are best suited for oscillator
frequencies between 4 and 16 MHz. The HP selection
has the highest gain setting of the internal inverter-
amplifier and is best suited for frequencies above
16 MHz. HS mode is best suited for resonators that
require a high drive setting.
FIGURE 2-6:
2010 Microchip Technology Inc.
Note 1: A series resistor (R
C1
C2
2: The value of R
quartz crystals with low drive level.
selected (typically between 2 M to 10 M.
LP, XT, HS MODES
Quartz
Crystal
R
S (1)
(Figure
QUARTZ CRYSTAL
OPERATION (LP, XT OR
HS MODE)
F
varies with the Oscillator mode
2-6). The mode selects a low,
OSC1/CLKIN
OSC2/CLKOUT
R
S
F
) may be required for
(2)
PIC
®
MCU
Sleep
To Internal
Logic
Preliminary
FIGURE 2-7:
Note 1: A series resistor (R
Note 1: Quartz
PIC18(L)F2X/4XK22
C1
C2 Ceramic
2: The value of R
3: An additional parallel feedback resistor (R
2: Always verify oscillator performance over
3: For oscillator design assistance, refer to the
Resonator
ceramic resonators with low drive level.
selected (typically between 2 M to 10 M.
may be required for proper ceramic resonator
operation.
• AN826, “Crystal Oscillator Basics and
• AN849, “Basic PIC
• AN943, “Practical PIC
• AN949, “Making Your Oscillator Work”
according
manufacturer. The user should consult the
manufacturer data sheets for specifications
and recommended application.
the V
expected for the application.
following Microchip Application Notes:
Crystal Selection for rfPIC
Devices” (DS00826)
(DS00849)
Analysis and Design” (DS00943)
(DS00949)
DD
R
P (3)
R
S
and temperature range that is
(1)
crystal
CERAMIC RESONATOR
OPERATION
(XT OR HS MODE)
F
to
varies with the Oscillator mode
OSC1/CLKIN
OSC2/CLKOUT
type,
S
R
) may be required for
®
F
characteristics
(2)
Oscillator Design”
®
PIC
Oscillator
DS41412D-page 35
®
package
®
and PIC
MCU
To Internal
Logic
Sleep
®
vary
and
P
)
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