PIC12LF1822T-I/SN Microchip Technology, PIC12LF1822T-I/SN Datasheet - Page 316
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PIC12LF1822T-I/SN
Manufacturer Part Number
PIC12LF1822T-I/SN
Description
3.5 KB Flash, 128 Bytes RAM, 32 MHz Int. Osc, 6 I/0, Enhanced Mid Range Core, Na
Manufacturer
Microchip Technology
Series
PIC® XLP™ 12Fr
Specifications of PIC12LF1822T-I/SN
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
6
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 ~ 3.6 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (3.9mm Width)
Processor Series
PIC12LF
Core
PIC
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:
PIC12LF1822T-I/SN
Manufacturer:
MICROCHIP
Quantity:
3 900
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PIC12F/LF1822/PIC16F/LF1823
27.4
The capacitive sensing oscillator can operate in one of
seven different power modes. The power modes are
separated into two ranges; the low range and the high
range.
When the oscillator's low range is selected, the fixed
internal voltage references of the capacitive sensing
oscillator are being used. When the oscillator's high
range is selected, the variable voltage references
supplied by the FVR and DAC modules are being used.
Selection between the voltage references is controlled
by the CPSRM bit of the CPSCON0 register. See
Section 29.3
information.
Within each range there are three distinct Power modes;
low, medium and high. Current consumption is dependent
upon the range and mode selected. Selecting Power
modes within each range is accomplished by configuring
the CPSRNG <1:0> bits in the CPSCON0 register. See
Table 27-1
TABLE 27-1:
DS41413B-page 316
Note 1:
CPSRM
Power Modes
0
1
for proper Power mode selection.
See
“Voltage
Section 30.0 “Electrical Specifications”
POWER MODE SELECTION
References”
Range
High
Low
for
more
Preliminary
CPSRNG<1:0>
00
01
10
11
00
01
10
11
for more information.
The remaining mode is a Noise Detection mode that
resides within the high range. The Noise Detection
mode is unique in that it disables the sinking and sourc-
ing of current on the analog pin but leaves the rest of
the oscillator circuitry active. This reduces the oscilla-
tion frequency on the analog pin to zero and also
greatly reduces the current consumed by the oscillator
module.
When noise is introduced onto the pin, the oscillator is
driven at the frequency determined by the noise. This
produces a detectable signal at the comparator output,
indicating the presence of activity on the pin.
Figure 27-2
current sources and comparators associated with the
oscillator.
Noise Detection
shows a more detailed drawing of the
Medium
Medium
Mode
High
High
Low
Low
Off
2010 Microchip Technology Inc.
Nominal Current
100 A
0.1 A
1.2 A
0.0 A
0.0 A
18 A
30 A
9 A
(1)
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