PIC16LF1937-I/PT Microchip Technology, PIC16LF1937-I/PT Datasheet - Page 109
PIC16LF1937-I/PT
Manufacturer Part Number
PIC16LF1937-I/PT
Description
IC PIC MCU FLASH 512KX14 44-TQFP
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 PIC16LF1937-I/PT
Program Memory Type
FLASH
Program Memory Size
14KB (8K x 14)
Package / Case
44-TQFP, 44-VQFP
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
36
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 14x10b
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
36
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
14-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:
PIC16LF1937-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC16LF1937-I/PT
Manufacturer:
MICROCHI
Quantity:
20 000
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8.0
8.1
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. Figure 8-1
illustrates a block diagram of the oscillator module.
Clock sources can be configured from external
oscillators, quartz crystal resonators, ceramic resonators
and Resistor-Capacitor (RC) circuits. In addition, the
system clock source can be configured from one of three
internal oscillators, 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
FIGURE 8-1:
© 2008 Microchip Technology Inc.
or internal 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.
T1OSO
T1OSI
OSC2
OSC1
OSCILLATOR MODULE (WITH
FAIL-SAFE CLOCK MONITOR)
Overview
Oscillator
Oscillator
External
SIMPLIFIED PIC
Oscillator
Internal
500 kHz
16 MHz
Source
31 kHz
Source
Source
Block
Timer1
T1OSCEN
Enable
Oscillator
Sleep
31 kHz (LFINTOSC)
(HFINTOSC)
(MFINTOSC)
16 MHz
500 kHz
®
MCU CLOCK SOURCE BLOCK DIAGRAM
Preliminary
31.25 kHz
FOSC<2:0> = 100
62.5 kHz
125 kHz
500 kHz
250 kHz
16 MHz
8 MHz
4 MHz
2 MHz
1 MHz
31 kHz
IRCF<3:0>
The oscillator module can be configured in one of six
clock modes.
1.
2.
3.
4.
5.
6.
Clock Source modes are configured by the FOSC<2:0>
bits in the Configuration Word Register 1 (CONFIG1).
The internal clock can be generated from two internal
oscillators.
high-frequency oscillator. The MFINTOSC is a
calibrated
LFINTOSC is an uncalibrated low-frequency oscillator.
PIC16F193X/LF193X
EC – External clock.
LP – 32 kHz Low-Power Crystal mode.
XT – Medium Gain Crystal or Ceramic Resonator
Oscillator mode.
HS – High Gain Crystal or Ceramic Resonator
mode.
RC – External Resistor-Capacitor (RC).
INTOSC – Internal oscillator.
4 x PLL
LP, XT, HS, RC, EC
Two-Speed Start-up and other modules
Internal Oscillator
The
medium-frequency
WDT, PWRT, Fail-Safe Clock Monitor
HFINTOSC
FOSC<2:0>
T1OSC
Clock Source Option
for other modules
Control
Clock
SCS<1:0>
Sleep
is
DS41364A-page 107
oscillator.
a
Peripherals
CPU and
calibrated
The
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