PIC16LF1906-E/MV Microchip Technology, PIC16LF1906-E/MV Datasheet - Page 60

• Manufacturer Part Number: PIC16LF1906-E/MV
• Description: 14KB Flash, 512B RAM, LCD, 11x10b ADC, EUSART, NanoWatt XLP 28 UQFN 4x4x0.5mm TU
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16LF1906-E/MV

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: LIN, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: -
• 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 ~ 125°C
• Package / Case: 28-UFQFN Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16LF1904/6/7
6.2.1.2
The secondary oscillator is a separate crystal oscillator
that is associated with the Timer1 peripheral. It is opti-
mized for timekeeping operations with a 32.768 kHz
crystal connected between the T1CKI/T1OSO and
T1OSI device pins.
The secondary oscillator can be used as an alternate
system clock source and can be selected during
run-time using clock switching. Refer to
“Clock Switching”
FIGURE 6-3:
DS41569A-page 60
Note 1: Quartz
C1
C2
2: Always verify oscillator performance over
3: For oscillator design assistance, reference
• AN826, “Crystal Oscillator Basics and
• AN849, “Basic PIC
• AN943, “Practical PIC
• AN949, “Making Your Oscillator Work”
• TB097, “Interfacing a Micro Crystal
• AN1288, “Design Practices for
according
manufacturer. The user should consult the
manufacturer data sheets for specifications
and recommended application.
the V
expected for the application.
the following Microchip Applications Notes:
Crystal Selection for rfPIC
Devices” (DS00826)
(DS00849)
Analysis and Design” (DS00943)
(DS00949)
MS1V-T1K 32.768 kHz Tuning Fork
Crystal to a PIC16F690/SS” (DS91097)
Low-Power External Oscillators”
(DS01288)
Secondary Oscillator
32.768 kHz
Quartz
Crystal
DD
for more information.
and temperature range that is
crystal
QUARTZ CRYSTAL
OPERATION
(SECONDARY
OSCILLATOR)
to
T1CKI/T1OSO
T1OSI
type,
PIC
®
characteristics
Oscillator Design”
®
®
MCU
Oscillator
®
package
and PIC
To Internal
Logic
Section 6.3
®
vary
and
Preliminary
6.2.2
The device may be configured to use the internal oscil-
lator block as the system clock by performing one of the
following actions:
• Program the FOSC<1:0> bits in Configuration
• Write the SCS<1:0> bits in the OSCCON register
In INTOSC mode, CLKIN is available for general
purpose I/O. CLKOUT is available for general purpose
I/O or CLKOUT.
The function of the CLKOUT pin is determined by the
state of the CLKOUTEN bit in Configuration Word 1.
The internal oscillator block has two independent
oscillators that provides the internal system clock
source.
1.
2.
6.2.2.1
The High-Frequency Internal Oscillator (HFINTOSC) is
a factory calibrated 16 MHz internal clock source.
The output of the HFINTOSC connects to a postscaler
and multiplexer (see
from the HFINTOSC can be selected via software using
the IRCF<3:0> bits of the OSCCON register. See
Section 6.2.2.4 “Internal Oscillator Clock Switch
Timing”
The HFINTOSC is enabled by:
• Configure the IRCF<3:0> bits of the OSCCON
• FOSC<1:0> = 11, or
• Set the System Clock Source (SCS) bits of the
The High-Frequency Internal Oscillator Ready bit
(HFIOFR) of the OSCSTAT register indicates when the
HFINTOSC is running and can be utilized.
The High-Frequency Internal Oscillator Status Stable
bit (HFIOFS) of the OSCSTAT register indicates when
the HFINTOSC is running within 0.5% of its final value.
Word 1 to select the INTOSC clock source, which
will be used as the default system clock upon a
device Reset.
to switch the system clock source to the internal
oscillator during run-time. See
“Clock
register for the desired HF frequency, and
OSCCON register to ‘1x’.
The
Oscillator) is factory calibrated and operates at
16 MHz.
The
Oscillator) is uncalibrated and operates at
31 kHz.
for more information.
Switching”for more information.
HFINTOSC
LFINTOSC
INTERNAL CLOCK SOURCES
HFINTOSC
Figure
 2011 Microchip Technology Inc.
(High-Frequency
(Low-Frequency
6-1). The frequency derived
Section 6.3
Internal
Internal