PIC16LF1936-I/SO Microchip Technology, PIC16LF1936-I/SO Datasheet - Page 214
![IC PIC MCU FLASH 512KX14 28-SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC16LF1936-I/SO
Manufacturer Part Number
PIC16LF1936-I/SO
Description
IC PIC MCU FLASH 512KX14 28-SOIC
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.PIC16LF1933-ISS.pdf
(508 pages)
2.PIC16LF1933-ISS.pdf
(46 pages)
3.PIC16LF1934-IML.pdf
(418 pages)
Specifications of PIC16LF1936-I/SO
Program Memory Type
FLASH
Program Memory Size
14KB (8K x 14)
Package / Case
28-SOIC (7.5mm Width)
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
25
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
EUSART/MI2C/SPI
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
25
Number Of Timers
5
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005
Minimum Operating Temperature
- 40 C
On-chip Adc
11-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LF1936-I/SO
Manufacturer:
Signal
Quantity:
100
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PIC16F193X/LF193X
22.3
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 22-3 shows a typical waveform of the PWM
signal.
22.3.1
The standard PWM function described in this section is
available and identical for CCP modules ECCP1,
ECCP2, ECCP3, CCP4 and CCP5.
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 22-4 shows a simplified block diagram of PWM
operation.
DS41364D-page 214
Note 1: The corresponding TRIS bit must be
2: Clearing the CCPxCON register will
PWM Overview
STANDARD PWM OPERATION
cleared to enable the PWM output on the
CCPx pin.
relinquish control of the CCPx pin.
Preliminary
FIGURE 22-3:
FIGURE 22-4:
Note 1:
CCPRxH
Duty Cycle Registers
Comparator
2:
Pulse Width
CCPRxL
TMRx = 0
PRx
TMRx
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)
CCP PWM OUTPUT SIGNAL
(1)
SIMPLIFIED PWM BLOCK
DIAGRAM
Clear Timer,
toggle CCPx pin and
latch duty cycle
TMRx = CCPRxH:CCPxCON<5:4>
2009 Microchip Technology Inc.
CCPxCON<5:4>
TMRx = PRx
S
R
Q
TRIS
OSC
CCPx
), or
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