PIC18F26K80-I/SS Microchip Technology, PIC18F26K80-I/SS Datasheet - Page 254
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC18F26K80-I/SS
Manufacturer Part Number
PIC18F26K80-I/SS
Description
MCU PIC 64KB FLASH 28SSOP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheet
1.PIC18F25K80-ISO.pdf
(628 pages)
Specifications of PIC18F26K80-I/SS
Core Size
8-Bit
Program Memory Size
64KB (32K x 16)
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Core Processor
PIC
Speed
64MHz
Connectivity
ECAN, I²C, LIN, SPI, UART/USART
Number Of I /o
24
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.6K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SSOP (0.200", 5.30mm Width)
Controller Family/series
PIC18
Ram Memory Size
4KB
Cpu Speed
16MIPS
No. Of Pwm Channels
5
Embedded Interface Type
I2C, SPI, USART
Processor Series
PIC18F26K80
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
I2C, SPI, USART
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
+ 85 C
Mounting Style
SMD/SMT
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:
PIC18F26K80-I/SS
Manufacturer:
DIODES
Quantity:
15 000
Part Number:
PIC18F26K80-I/SS
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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PIC18F66K80 FAMILY
18.6
Time can be precisely measured after the ratio ( C/I ) is
measured from the current and capacitance calibration
step. To do that:
1.
2.
3.
4.
5.
FIGURE 18-3:
DS39977C-page 254
Initialize the A/D Converter and the CTMU.
Set EDG1STAT.
Set EDG2STAT.
Perform an A/D conversion.
Calculate the time between edges as T = (C/I) * V ,
where:
• I is calculated in the current calibration
• C is calculated in the capacitance calibra-
• V is measured by performing the A/D conversion
step ( Section 18.4.1 “Current Source
Calibration” )
tion step ( Section 18.4.2 “Capacitance
Calibration” )
Measuring Time with the CTMU
Module
TYPICAL CONNECTIONS AND INTERNAL CONFIGURATION FOR TIME
MEASUREMENT
CTED1
CTED2
AN
C
EXT
X
Preliminary
EDG2
EDG1
It is assumed that the time measured is small enough
that the capacitance, C
voltage to the A/D Converter. For the smallest time
measurement, always set the A/D Channel Select bits
CHS<4:0> (ADCON0<6:2>) to an unused A/D channel,
the corresponding pin for which is not connected to any
circuit board trace. This minimizes added stray capaci-
tance, keeping the total circuit capacitance close to that
of the A/D Converter itself (25 pF).
To measure longer time intervals, an external capacitor
may be connected to an A/D channel and that channel
selected whenever making a time measurement.
C
AD
A/D Converter
PIC18F66K80
Current Source
CTMU
A/D Voltage
2011 Microchip Technology Inc.
AD
+ C
EXT
, provides a valid
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