PIC16LF1947-I/PT Microchip Technology, PIC16LF1947-I/PT Datasheet - Page 173
![IC MCU 8BIT FLASH 64TQFP](/photos/29/8/290880/tqfp64_sml.jpg)
PIC16LF1947-I/PT
Manufacturer Part Number
PIC16LF1947-I/PT
Description
IC MCU 8BIT FLASH 64TQFP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.PIC16LF1933-ISS.pdf
(46 pages)
2.PIC16LF1946-IPT.pdf
(448 pages)
3.PIC16LF1946-IPT.pdf
(6 pages)
Specifications of PIC16LF1947-I/PT
Program Memory Type
FLASH
Program Memory Size
28KB (16K x 14)
Package / Case
64-TFQFP
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
54
Eeprom Size
256 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 17x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
EUSART/I2C/SPI
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
54
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
17-ch x 10-bit
A/d Bit Size
10 bit
A/d Channels Available
17
Height
1 mm
Length
10 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.8 V
Width
10 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
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Quantity
Price
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Part Number:
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Quantity:
1 200
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Part Number:
PIC16LF1947-I/PT
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17.0
The Digital-to-Analog Converter supplies a variable
voltage reference, ratiometric with the input source,
with 32 selectable output levels.
The input of the DAC can be connected to:
• External V
• V
• FVR (Fixed Voltage Reference)
The output of the DAC can be configured to supply a
reference voltage to the following:
• Comparator positive input
• ADC input channel
• DACOUT pin
The Digital-to-Analog Converter (DAC) can be enabled
by setting the DACEN bit of the DACCON0 register.
EQUATION 17-1:
17.2
The DAC output value is derived using a resistor ladder
with each end of the ladder tied to a positive and
negative voltage reference input source. If the voltage
of either input source fluctuates, a similar fluctuation will
result in the DAC output value.
The value of the individual resistors within the ladder
can
Specifications”.
2010 Microchip Technology Inc.
IF DACEN = 1
IF DACEN = 0 & DACLPS = 1 & DACR[4:0] = 11111
IF DACEN = 0 & DACLPS = 0 & DACR[4:0] = 00000
V
V
V
V
V
DD
SOURCE
SOURCE
OUT
OUT
OUT
supply voltage
be
=
DIGITAL-TO-ANALOG
CONVERTER (DAC) MODULE
Ratiometric Output Level
=
=
- = V
+ = V
V
V
REF
found
SOURCE
V
SOURCE
SOURCE
SS
DD
pins
, V
REF
+
in
–
+ V
DAC OUTPUT VOLTAGE
–
, or FVR BUFFER 2
Section 30.0
SOURCE
-
DACR 4:0
-----------------------------
2
“Electrical
5
Preliminary
+
V
SOURCE
-
17.1
The DAC has 32 voltage level ranges. The 32 levels
are set with the DACR<4:0> bits of the DACCON1
register.
The DAC output voltage is determined by the following
equations:
17.3
The DAC can be output to the DACOUT pin by setting
the DACOE bit of the DACCON0 register to ‘1’.
Selecting the DAC reference voltage for output on the
DACOUT pin automatically overrides the digital output
buffer and digital input threshold detector functions of
that pin. Reading the DACOUT pin when it has been
configured for DAC reference voltage output will
always return a ‘0’.
Due to the limited current drive capability, a buffer must
be used on the DAC voltage reference output for
external connections to DACOUT.
an example buffering technique.
PIC16F/LF1946/47
Output Voltage Selection
DAC Voltage Reference Output
Figure 17-2
DS41414B-page 173
shows
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