PIC16LF1933-E/MV Microchip Technology, PIC16LF1933-E/MV Datasheet - Page 55
PIC16LF1933-E/MV
Manufacturer Part Number
PIC16LF1933-E/MV
Description
IC MCU 8BIT 7KB FLASH 28UQFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16LF1933-IMV.pdf
(430 pages)
Specifications of PIC16LF1933-E/MV
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
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-UFQFN Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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5.0
5.1
The oscillator module has a wide variety of clock
sources and selection features that allow it to be used
in a wide range of applications while maximizing perfor-
mance and minimizing power consumption.
illustrates a block diagram of the oscillator module.
Clock sources can be supplied from external oscillators,
quartz crystal resonators, ceramic resonators and
Resistor-Capacitor (RC) circuits. In addition, the system
clock source can be supplied from one of two internal
oscillators and PLL circuits, with a choice of speeds
selectable via software. Additional clock features
include:
• Selectable system clock source between external
• Two-Speed Start-up mode, which minimizes
• Fail-Safe Clock Monitor (FSCM) designed to
• Oscillator Start-up Timer (OST) ensures stability
2011 Microchip Technology Inc.
or internal sources via software.
latency between external oscillator start-up and
code execution.
detect a failure of the external clock source (LP,
XT, HS, EC or RC modes) and switch
automatically to the internal oscillator.
of crystal oscillator sources
OSCILLATOR MODULE (WITH
FAIL-SAFE CLOCK MONITOR)
Overview
Figure 5-1
Preliminary
The oscillator module can be configured in one of eight
clock modes.
1.
2.
3.
4.
5.
6.
7.
8.
Clock Source modes are selected by the FOSC<2:0>
bits in the Configuration Word 1. The FOSC bits
determine the type of oscillator that will be used when
the device is first powered.
The EC Clock mode relies on an external logic level
signal as the device clock source. The LP, XT and HS
Clock modes require an external crystal or resonator to
be connected to the device. Each mode is optimized for
a different frequency range. The RC Clock mode
requires an external resistor and capacitor to set the
oscillator frequency.
The INTOSC internal oscillator block produces low,
medium,
designated LFINTOSC, MFINTOSC and HFINTOSC.
(see Internal Oscillator Block,
selection of device clock frequencies may be derived
from these three clock sources.
ECL – External Clock Low-Power mode
(0 MHz to 0.5 MHz)
ECM – External Clock Medium-Power mode
(0.5 MHz to 4 MHz)
ECH – External Clock High-Power mode
(4 MHz to 32 MHz)
LP – 32 kHz Low-Power Crystal mode.
XT – Medium Gain Crystal or Ceramic Resonator
Oscillator mode (up to 4 MHz)
HS – High Gain Crystal or Ceramic Resonator
mode (4 MHz to 20 MHz)
RC – External Resistor-Capacitor (RC).
INTOSC – Internal oscillator (31 kHz to 32 MHz).
and
PIC16(L)F1933
high-frequency
Figure
DS41575A-page 55
clock
5-1). A wide
sources,
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