PIC16LF1526-I/PT Microchip Technology, PIC16LF1526-I/PT Datasheet - Page 192
![MCU PIC 14KB FLASH 64TQFP](/photos/16/3/160367/tqfp-64_sml.jpg)
PIC16LF1526-I/PT
Manufacturer Part Number
PIC16LF1526-I/PT
Description
MCU PIC 14KB FLASH 64TQFP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16LF1526T-IPT.pdf
(354 pages)
Specifications of PIC16LF1526-I/PT
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
14KB (8K x 14)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 30x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP
Processor Series
PIC16F
Core
PIC
Data Ram Size
768 B
Interface Type
MI2C, SPI, EUSART
Number Of Timers
9
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
MPLAB IDE Software
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LF1526-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC16(L)F1526/27
20.3
Pulse-Width Modulation (PWM) is a scheme that
provides power to a load by switching quickly between
fully on and fully off states. The PWM signal resembles
a square wave where the high portion of the signal is
considered the on state and the low portion of the signal
is considered the off state. The high portion, also known
as the pulse width, can vary in time and is defined in
steps. A larger number of steps applied, which
lengthens the pulse width, also supplies more power to
the load. Lowering the number of steps applied, which
shortens the pulse width, supplies less power. The
PWM period is defined as the duration of one complete
cycle or the total amount of on and off time combined.
PWM resolution defines the maximum number of steps
that can be present in a single PWM period. A higher
resolution allows for more precise control of the pulse
width time and in turn the power that is applied to the
load.
The term duty cycle describes the proportion of the on
time to the off time and is expressed in percentages,
where 0% is fully off and 100% is fully on. A lower duty
cycle corresponds to less power applied and a higher
duty cycle corresponds to more power applied.
Figure 20-3
signal.
20.3.1
The standard PWM function described in this section is
available and identical for CCP modules.
The standard PWM mode generates a Pulse-Width
modulation (PWM) signal on the CCPx pin with up to 10
bits of resolution. The period, duty cycle, and resolution
are controlled by the following registers:
• PRx registers
• TxCON registers
• CCPRxL registers
• CCPxCON registers
Figure 20-4
operation.
DS41458A-page 192
Note 1: The corresponding TRIS bit must be
2: Clearing the CCPxCON register will
PWM Overview
STANDARD PWM OPERATION
shows a simplified block diagram of PWM
cleared to enable the PWM output on the
CCPx pin.
relinquish control of the CCPx pin.
shows a typical waveform of the PWM
Preliminary
FIGURE 20-3:
FIGURE 20-4:
TABLE 20-6:
CCP10
Note 1:
CCP1
CCP2
CCP3
CCP4
CCP5
CCP6
CCP7
CCP8
CCP9
CCP
CCPRxH
Duty Cycle Registers
Comparator
2:
Pulse Width
CCPRxL
TMRx = 0
PRx
TMRx
TMR2
Comparator
The 8-bit timer TMRx register is concatenated
with the 2-bit internal system clock (F
2 bits of the prescaler, to create the 10-bit time
base.
In PWM mode, CCPRxH is a read-only register.
(2)
●
●
●
●
●
●
●
●
●
●
Period
(Slave)
CCPx PWM TIMER2/4/6/8/10
RESOURCES
TMR4
CCP PWM OUTPUT SIGNAL
(1)
●
●
●
●
SIMPLIFIED PWM BLOCK
DIAGRAM
Clear Timer,
toggle CCPx pin and
latch duty cycle
TMRx = CCPRxH:CCPxCON<5:4>
2011 Microchip Technology Inc.
CCPxCON<5:4>
TMR6
TMRx = PRx
●
●
●
●
●
●
●
S
R
Q
TMR8 TMR10
●
●
●
●
●
●
TRIS
OSC
CCPx
), or
●
●
●
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