PIC18LF24J10-I/ML Microchip Technology, PIC18LF24J10-I/ML Datasheet - Page 134
![Microcontroller](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC18LF24J10-I/ML
Manufacturer Part Number
PIC18LF24J10-I/ML
Description
Microcontroller
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F24J10-ISO.pdf
(368 pages)
3.PIC18F24J10-ISO.pdf
(6 pages)
4.PIC18F24J10-ISO.pdf
(6 pages)
5.PIC18F24J10-ISO.pdf
(12 pages)
6.PIC18LF24J10-ISS.pdf
(32 pages)
Specifications of PIC18LF24J10-I/ML
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
SPIC, I2C, EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
21
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DM183032, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 10 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC162074 - HEADER INTRFC MPLAB ICD2 44TQFPMA180012 - MODULE PLUG-IN 18LF25J10 28SOICAC162067 - HEADER INTRFC MPLAB ICD2 40/28PXLT28QFN4 - SOCKET TRANS ICE 28QFN W/CABLE
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF24J10-I/ML
Manufacturer:
MICROCHIP
Quantity:
12 000
- PIC16F616T-ISL PDF datasheet
- PIC18F24J10-ISO PDF datasheet #2
- PIC18F24J10-ISO PDF datasheet #3
- PIC18F24J10-ISO PDF datasheet #4
- PIC18F24J10-ISO PDF datasheet #5
- PIC18LF24J10-ISS PDF datasheet #6
- Current page: 134 of 368
- Download datasheet (6Mb)
PIC18F45J10 FAMILY
14.4
In Pulse-Width Modulation (PWM) mode, the CCPx pin
produces up to a 10-bit resolution PWM output. Since
the CCP2 pin is multiplexed with a PORTB or PORTC
data latch, the appropriate TRIS bit must be cleared to
make the CCP2 pin an output.
Figure 14-3 shows a simplified block diagram of the
CCP module in PWM mode.
For a step-by-step procedure on how to set up the CCP
module for PWM operation, see Section 14.4.4
“Setup for PWM Operation”.
FIGURE 14-3:
A PWM output (Figure 14-4) has a time base (period)
and a time that the output stays high (duty cycle).
The frequency of the PWM is the inverse of the
period (1/period).
FIGURE 14-4:
DS39682E-page 132
Note 1: The 8-bit TMR2 value is concatenated with the 2-bit
Note:
CCPRxH (Slave)
Comparator
Duty Cycle Registers
CCPRxL
TMR2
TMR2 = PR2
PR2
Comparator
PWM Mode
internal Q clock, or 2 bits of the prescaler, to create the
10-bit time base.
Duty Cycle
Clearing the CCP2CON register will force
the RB3 or RC1 output latch (depending on
device configuration) to the default low
level. This is not the PORTB or PORTC I/O
data latch.
Period
(Note 1)
Clear Timer,
CCP1 pin and
latch D.C.
TMR2 = Duty Cycle
SIMPLIFIED PWM BLOCK
DIAGRAM
PWM OUTPUT
TMR2 = PR2
CCPxCON<5:4>
R
S
Q
Corresponding
TRIS bit
CCPx Output
14.4.1
The PWM period is specified by writing to the PR2
register. The PWM period can be calculated using the
following formula:
EQUATION 14-1:
PWM frequency is defined as 1/[PWM period].
When TMR2 is equal to PR2, the following three events
occur on the next increment cycle:
• TMR2 is cleared
• The CCPx pin is set (exception: if PWM duty
• The PWM duty cycle is latched from CCPRxL into
14.4.2
The PWM duty cycle is specified by writing to the
CCPRxL register and to the CCPxCON<5:4> bits. Up
to 10-bit resolution is available. The CCPRxL contains
the eight MSbs and the CCPxCON<5:4> contains the
two LSbs. This 10-bit value is represented by
CCPRxL:CCPxCON<5:4>. The following equation is
used to calculate the PWM duty cycle in time:
EQUATION 14-2:
CCPRxL and CCPxCON<5:4> can be written to at any
time, but the duty cycle value is not latched into
CCPRxH until after a match between PR2 and TMR2
occurs (i.e., the period is complete). In PWM mode,
CCPRxH is a read-only register.
cycle = 0%, the CCPx pin will not be set)
CCPRxH
Note:
PWM Duty Cycle = (CCPR
PWM Period = [(PR2) + 1] • 4 • T
PWM PERIOD
The Timer2 postscalers (see Section 13.0
“Timer2 Module”) are not used in the
determination of the PWM frequency. The
postscaler could be used to have a servo
update rate at a different frequency than
the PWM output.
PWM DUTY CYCLE
T
(TMR2 Prescale Value)
OSC
© 2009 Microchip Technology Inc.
• (TMR2 Prescale Value)
X
L:CCP
X
CON<5:4>) •
OSC
•
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