PIC18F2580-E/SP Microchip Technology, PIC18F2580-E/SP Datasheet - Page 29
PIC18F2580-E/SP
Manufacturer Part Number
PIC18F2580-E/SP
Description
IC PIC MCU FLASH 16KX16 28DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18F4480-IPT.pdf
(490 pages)
3.PIC18F4480-IPT.pdf
(8 pages)
4.PIC18F4480-IPT.pdf
(6 pages)
5.PIC18F4480-IPT.pdf
(6 pages)
6.PIC18F2580-ESO.pdf
(483 pages)
Specifications of PIC18F2580-E/SP
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
28-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
25
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
SPI/I2C/MSSP/EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM163011, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F2580-E/SP
Manufacturer:
Microchip Technology
Quantity:
135
- PIC18F2221-ISO PDF datasheet
- PIC18F4480-IPT PDF datasheet #2
- PIC18F4480-IPT PDF datasheet #3
- PIC18F4480-IPT PDF datasheet #4
- PIC18F4480-IPT PDF datasheet #5
- PIC18F2580-ESO PDF datasheet #6
- Current page: 29 of 483
- Download datasheet (9Mb)
REGISTER 2-1:
2.6.5.1
An adjustment may be required when the EUSART
begins to generate framing errors or receives data with
errors while in Asynchronous mode. Framing errors
indicate that the device clock frequency is too high. To
adjust for this, decrement the value in OSCTUNE to
reduce the clock frequency. On the other hand, errors
in data may suggest that the clock speed is too low. To
compensate, increment OSCTUNE to increase the
clock frequency.
2.6.5.2
This technique compares device clock speed to some
reference clock. Two timers may be used; one timer is
clocked by the peripheral clock, while the other is
clocked by a fixed reference source, such as the
Timer1 oscillator.
Both timers are cleared, but the timer clocked by the
reference generates interrupts. When an interrupt
occurs, the internally clocked timer is read and both
timers are cleared. If the internally clocked timer value
© 2007 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4-0
Note 1:
INTSRC
R/W-0
Available only in certain oscillator configurations; otherwise, this bit is unavailable and reads as ‘0’. See
text for details.
Compensating with the EUSART
Compensating with the Timers
INTSRC: Internal Oscillator Low-Frequency Source Select bit
1 = 31.25 kHz device clock derived from 8 MHz INTOSC source (divide-by-256 enabled)
0 = 31 kHz device clock derived directly from INTRC internal oscillator
PLLEN: Frequency Multiplier PLL for INTOSC Enable bit
1 = PLL enabled for INTOSC (4 MHz and 8 MHz only)
0 = PLL disabled
Unimplemented: Read as ‘0’
TUN4:TUN0: Frequency Tuning bits
01111 = Maximum frequency
•
•
00001
00000 = Center frequency. Oscillator module is running at the calibrated frequency.
11111
•
•
10000 = Minimum frequency
PLLEN
R/W-0
OSCTUNE: OSCILLATOR TUNING REGISTER
(1)
(1)
W = Writable bit
‘1’ = Bit is set
•
•
•
•
U-0
—
PIC18F2480/2580/4480/4580
R/W-0
TUN4
Preliminary
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
TUN3
is greater than expected, then the internal oscillator
block is running too fast. To adjust for this, decrement
the OSCTUNE register.
2.6.5.3
A CCP module can use free-running Timer1 (or
Timer3), clocked by the internal oscillator block and an
external event with a known period (i.e., AC power
frequency). The time of the first event is captured in the
CCPRxH:CCPRxL registers and is recorded for use
later. When the second event causes a capture, the
time of the first event is subtracted from the time of the
second event. Since the period of the external event is
known, the time difference between events can be
calculated.
If the measured time is much greater than the
calculated time, the internal oscillator block is running
too fast. To compensate, decrement the OSCTUNE
register. If the measured time is much less than the
calculated time, the internal oscillator block is running
too slow. To compensate, increment the OSCTUNE
register.
(1)
Compensating with the CCP Module
in Capture Mode
R/W-0
TUN2
x = Bit is unknown
R/W-0
TUN1
DS39637C-page 27
R/W-0
TUN0
bit 0
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