PIC12LF1822-I/SN Microchip Technology, PIC12LF1822-I/SN Datasheet - Page 210
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PIC12LF1822-I/SN
Manufacturer Part Number
PIC12LF1822-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 PIC12LF1822-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
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PIC12F/LF1822/PIC16F/LF1823
24.3.5
The resolution determines the number of available duty
cycles for a given period. For example, a 10-bit resolution
will result in 1024 discrete duty cycles, whereas an 8-bit
resolution will result in 256 discrete duty cycles.
The maximum PWM resolution is 10 bits when PR2 is
255. The resolution is a function of the PR2 register
value as shown by
EQUATION 24-4:
TABLE 24-5:
TABLE 24-6:
TABLE 24-7:
DS41413B-page 210
Timer Prescale (1, 4, 16)
PR2 Value
Maximum Resolution (bits)
Timer Prescale (1, 4, 16)
PR2 Value
Maximum Resolution (bits)
Timer Prescale (1, 4, 16)
PR2 Value
Maximum Resolution (bits)
Note:
PWM Frequency
PWM Frequency
PWM Frequency
Resolution
PWM RESOLUTION
If the pulse width value is greater than the
period the assigned PWM pin(s) will
remain unchanged.
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS (F
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS (F
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS (F
Equation
=
PWM RESOLUTION
log
----------------------------------------- - bits
4 PR2
24-4.
log
2
1.95 kHz
1.22 kHz
1.22 kHz
+
0xFF
0xFF
0x65
1
16
10
16
10
16
8
7.81 kHz
4.88 kHz
4.90 kHz
0xFF
0xFF
Preliminary
0x65
10
10
4
4
4
8
31.25 kHz
19.53 kHz
19.61 kHz
0xFF
0xFF
0x65
10
10
1
1
1
8
78.12 kHz
76.92 kHz
125 kHz
0x3F
0x3F
0x19
1
8
1
8
1
6
OSC
OSC
OSC
2010 Microchip Technology Inc.
= 32 MHz)
= 20 MHz)
= 8 MHz)
153.85 kHz
156.3 kHz
250 kHz
0x0C
0x1F
0x1F
1
7
1
7
1
5
333.3 kHz
208.3 kHz
200.0 kHz
0x17
0x17
0x09
6.6
6.6
1
1
1
5
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