PIC16LF1827-I/P Microchip Technology, PIC16LF1827-I/P Datasheet - Page 153
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PIC16LF1827-I/P
Manufacturer Part Number
PIC16LF1827-I/P
Description
IC, 8BIT MCU, PIC16LF, 32MHZ, DIP-18
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Specifications of PIC16LF1827-I/P
Controller Family/series
PIC16LF
Eeprom Memory Size
256Byte
Ram Memory Size
384Byte
Cpu Speed
32MHz
No. Of Timers
5
Interface
EUSART, I2C, SPI
Core Size
8 Bit
Program Memory Size
4kWords
Core Processor
PIC
Speed
32MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
18-DIP (0.300", 7.62mm)
Processor Series
PIC16LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
32 KHz
Number Of Programmable I/os
16
Number Of Timers
5
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
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
10 bit, 12 Channel
On-chip Dac
5 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
Part Number:
PIC16LF1827-I/P
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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16.0
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.
16.1
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:
EQUATION 16-1:
16.2
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”.
16.3
In order for the DAC module to consume the least
amount of power, one of the two voltage reference input
sources to the resistor ladder must be disconnected.
Either the positive voltage source, (V
negative voltage source, (V
The negative voltage source is disabled by setting the
DACLPS bit in the DACCON0 register. Clearing the
DACLPS bit in the DACCON0 register disables the
positive voltage source.
2009 Microchip Technology Inc.
V
Note:
OUT
DD
=
supply voltage
be
DIGITAL-TO-ANALOG
CONVERTER (DAC) MODULE
Output Voltage Selection
Ratiometric Output Level
Low Power Voltage State
V
V
V
SOURCE
REF
found
SOURCE
REF
+. V
pins
+ V
SOURCE
+ can equal FVR Buffer 2, V
–
in
DAC OUTPUT VOLTAGE
SOURCE
- can equal V
Section 29.0
SRC
-
-) can be disabled.
DACR<4:0>
------------------------------ -
2 5
SS
SRC
or V
“Electrical
+), or the
REF
+ V
DD
-.
SRC
or
Preliminary
-
16.3.1
The DAC output voltage can be set to V
least amount of power consumption by performing the
following:
• Clearing the DACEN bit in the DACCON0 register.
• Setting the DACLPS bit in the DACCON0 register.
• Configuring the DACPSS bits to the proper
• Configuring the DACR<4:0> bits to ‘11111’ in the
This is also the method used to output the voltage level
from the FVR to an output pin. See Section 16.4 “DAC
Voltage Reference Output” for more information.
Reference Figure 16-1 for output clamping examples.
16.3.2
The DAC output voltage can be set to V
least amount of power consumption by performing the
following:
• Clearing the DACEN bit in the DACCON0 register.
• Clearing the DACLPS bit in the DACCON0 register.
• Configuring the DACNSS bits to the proper
• Configuring the DACR<4:0> bits to ‘00000’ in the
This allows the comparator to detect a zero-crossing
while not consuming additional current through the DAC
module.
Reference Figure 16-1 for output clamping examples.
positive source.
DACCON1 register.
negative source.
DACCON1 register.
PIC16F/LF1826/27
OUTPUT CLAMPED TO POSITIVE
VOLTAGE SOURCE
OUTPUT CLAMPED TO NEGATIVE
VOLTAGE SOURCE
DS41391C-page 153
SRC
SRC
+ with the
- with the
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