PIC18LF25K80-I/MM Microchip Technology, PIC18LF25K80-I/MM Datasheet - Page 452
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PIC18LF25K80-I/MM
Manufacturer Part Number
PIC18LF25K80-I/MM
Description
ECAN, 32KB Flash, 4KB RAM, 16 MIPS, 12-bit ADC, CTMU 28 QFN-S 6x6mm TUBE
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheet
1.PIC18F25K80-ISO.pdf
(628 pages)
Specifications of PIC18LF25K80-I/MM
Core Processor
PIC
Core Size
8-Bit
Speed
64MHz
Connectivity
ECAN, I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.6K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad
Processor Series
PIC18LF25K80
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3648 B
Interface Type
I2C, SPI
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
24
Number Of Timers
5
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC18F66K80 FAMILY
Table 27-2
generated by the PLL and the frequency error from
jitter (measured jitter-induced error of 2%, Gaussian
distribution, within 3 standard deviations), as a
percentage of the nominal clock frequency.
TABLE 27-2:
TABLE 27-3:
DS39977C-page 452
40 MHz
24 MHz
16 MHz
Output
Nominal PLL Output
PLL
40 MHz
24 MHz
16 MHz
shows the relation between the clock
0.83 ns
1.25 ns
0.5 ns
P
jitter
FREQUENCY ERROR FROM JITTER AT VARIOUS PLL GENERATED CLOCK SPEEDS
TOTAL FREQUENCY ERROR AT VARIOUS PLL GENERATED CLOCK SPEEDS
(100 PPM OSCILLATOR DRIFT, INCLUDING ERROR FROM JITTER)
1.67 ns
2.5 ns
T
(125 Kb/s)
1 ns
0.01125%
0.01209%
0.01313%
jitter
8 s
Frequency Error at Various Nominal Bit Times (Bit Rates)
(125 Kb/s)
0.00125%
0.00209%
0.00313%
8 s
Frequency Error at Various Nominal Bit Times (Bit Rates)
Preliminary
(250 Kb/s)
0.01250%
0.01418%
0.01625%
4 s
This is clearly smaller than the expected drift of a
crystal oscillator, typically specified at 100 ppm or
0.01%. If we add jitter to oscillator drift, we have a total
frequency drift of 0.0132%. The total oscillator
frequency errors for common clock frequencies and bit
rates, including both drift and jitter, are shown in
Table
(250 Kb/s)
0.00250%
0.00418%
0.00625%
4 s
27-3.
(500 Kb/s)
0.015%
0.018%
0.023%
2 s
(500 Kb/s)
0.005%
0.008%
0.013%
2 s
2011 Microchip Technology Inc.
(1 Mb/s)
0.027%
0.035%
0.02%
(1 Mb/s)
1 s
0.017%
0.025%
0.01%
1 s
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