PIC12LF1822-I/MF Microchip Technology, PIC12LF1822-I/MF Datasheet - Page 73
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PIC12LF1822-I/MF
Manufacturer Part Number
PIC12LF1822-I/MF
Description
IC, 8BIT MCU, PIC12, 32MHZ, DFN-8
Manufacturer
Microchip Technology
Series
PIC® XLP™ 12Fr
Datasheets
1.PIC12F1822T-ISN.pdf
(404 pages)
2.PIC12F1822T-ISN.pdf
(10 pages)
3.PIC12F1822-IMF.pdf
(398 pages)
Specifications of PIC12LF1822-I/MF
Controller Family/series
PIC12
No. Of I/o's
6
Eeprom Memory Size
256Byte
Ram Memory Size
128Byte
Cpu Speed
32MHz
No. Of Timers
3
Core Size
8 Bit
Program Memory Size
3.5KB
Core Processor
PIC
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
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-DFN
Processor Series
PIC12LF
Core
PIC
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:
PIC12LF1822-I/MF
Manufacturer:
MICROCHIP
Quantity:
3 600
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limiting.
6.0
The reference clock module provides the ability to send
a divided clock to the clock output pin of the device
(CLKR) and provide a secondary internal clock source
to the modulator module. This module is available in all
oscillator configurations and allows the user to select a
greater range of clock submultiples to drive external
devices in the application. The reference clock module
includes the following features:
• System clock is the source
• Available in all oscillator configurations
• Programmable clock divider
• Output enable to a port pin
• Selectable duty cycle
• Slew rate control
The reference clock module is controlled by the CLKRCON
register
CLKREN bit. To output the divided clock signal to the CLKR
port pin, the CLKROE bit must be set. The CLKRDIV<2:0>
bits enable the selection of 8 different clock divider options.
The CLKRDC<1:0> bits can be used to modify the duty cycle
of the output clock
For information on using the reference clock output
with the modulator module, see
Signal
6.1
The slew rate limitation on the output port pin can be
disabled. The Slew Rate limitation can be removed by
clearing the CLKRSLR bit in the CLKRCON register.
6.2
Upon any device Reset, the reference clock module is
disabled. The user’s firmware is responsible for
initializing the module before enabling the output. The
registers are reset to their default values.
2010 Microchip Technology Inc.
Note 1: If the base clock rate is selected without
Modulator”.
(Register
REFERENCE CLOCK MODULE
Slew Rate
Effects of a Reset
a divider, the output clock will always
have a duty cycle equal to that of the
source clock, unless a 0% duty cycle is
selected. If the clock divider is set to base
clock/2, then 25% and 75% duty cycle
accuracy will be dependent upon the
source clock.
6-1) and is enabled when setting the
(1)
. The CLKRSLR bit controls slew rate
Section 23.0 “Data
PIC12F/LF1822/PIC16F/LF1823
Preliminary
6.3
There are two cases when the reference clock output
signal cannot be output to the CLKR pin, if:
• LP, XT or HS oscillator mode is selected.
• CLKOUT function is enabled.
Even if either of these cases are true, the module can
still be enabled and the reference clock signal may be
used in conjunction with the modulator module.
6.3.1
If LP, XT or HS oscillator modes are selected, the
OSC2/CLKR pin must be used as an oscillator input pin
and the CLKR output cannot be enabled. See
Section 5.2 “Clock Source Types”
tion on different oscillator modes.
6.3.2
The CLKOUT function has a higher priority than the
reference clock module. Therefore, if the CLKOUT
function is enabled by the CLKOUTEN bit in Configura-
tion Word 1, F
pin. Reference
for more information.
6.4
As the reference clock module relies on the system
clock as its source, and the system clock is disabled in
Sleep, the module does not function in Sleep, even if
an external clock source or the Timer1 clock source is
configured as the system clock. The module outputs
will remain in their current state until the device exits
Sleep.
Conflicts with the CLKR pin
Operation During Sleep
OSCILLATOR MODES
CLKOUT FUNCTION
OSC
Section 4.0 “Device Configuration”
/4 will always be output on the port
DS41413B-page 73
for more informa-
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