PIC16F1823-I/SL Microchip Technology, PIC16F1823-I/SL Datasheet - Page 153
PIC16F1823-I/SL
Manufacturer Part Number
PIC16F1823-I/SL
Description
3.5 KB Flash, 128 Bytes RAM, 32 MHz Int. Osc, 12 I/0, Enhanced Mid Range Core 14
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.PIC16F722-ISS.pdf
(8 pages)
2.PIC12F1822T-ISN.pdf
(404 pages)
3.PIC12F1822T-ISN.pdf
(10 pages)
Specifications of PIC16F1823-I/SL
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
12
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
14-SOIC (3.9mm Width), 14-SOL
Core
PIC
Processor Series
PIC16F
Data Bus Width
8 bit
Maximum Clock Frequency
32 MHz
Data Ram Size
128 B
On-chip Adc
Yes
Number Of Programmable I/os
12
Number Of Timers
3
Operating Supply Voltage
2.3 V to 5.5 V
Operating Temperature Range
- 40 C to + 85 C
A/d Bit Size
10 bit
A/d Channels Available
8
Height
1.25 mm
Interface Type
I2C, SPI, USART
Length
8.65 mm
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.3 V
Width
3.9 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F1823-I/SL
Manufacturer:
MICROCHIP
Quantity:
30 000
Part Number:
PIC16F1823-I/SL
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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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
DD
V
SOURCE
OUT
SOURCE
OUT
OUT
supply voltage
be
DIGITAL-TO-ANALOG
CONVERTER (DAC) MODULE
Ratiometric Output Level
=
=
=
- = V
+ = V
REF
V
found
V
SOURCE
V
SOURCE
SOURCE
SS
pins
DD
, V
in
REF
+
DAC OUTPUT VOLTAGE
–
+ V
–
, or FVR BUFFER 2
Section 30.0
SOURCE
-
PIC12F/LF1822/PIC16F/LF1823
DACR 4:0
-----------------------------
“Electrical
2
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.
Output Voltage Selection
DAC Voltage Reference Output
Figure 17-2
DS41413B-page 153
shows
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