PIC18F2580-E/SP Microchip Technology, PIC18F2580-E/SP Datasheet - Page 180
![IC PIC MCU FLASH 16KX16 28DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
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: 180 of 490
- Download datasheet (9Mb)
PIC18F2480/2580/4480/4580
17.4.2
The PWM duty cycle is specified by writing to the
ECCPR1L register and to the ECCP1CON<5:4> bits.
Up to 10-bit resolution is available. The ECCPR1L
contains the eight MSbs and the ECCP1CON<5:4> bits
contain the two LSbs. This 10-bit value is represented
by ECCPR1L:ECCP1CON<5:4>. The PWM duty cycle
is calculated by the following equation.
EQUATION 17-2:
ECCPR1L and ECCP1CON<5:4> can be written to at
any time, but the duty cycle value is not copied into
ECCPR1H until a match between PR2 and TMR2
occurs (i.e., the period is complete). In PWM mode,
ECCPR1H is a read-only register.
The ECCPR1H register and a 2-bit internal latch are
used to double-buffer the PWM duty cycle. This
double-buffering is essential for glitchless PWM opera-
tion. When the ECCPR1H and 2-bit latch match TMR2,
concatenated with an internal 2-bit Q clock or two bits
of the TMR2 prescaler, the ECCP1 pin is cleared. The
maximum PWM resolution (bits) for a given PWM
frequency is given by the following equation.
TABLE 17-2:
DS39637D-page 180
Timer Prescaler (1, 4, 16)
PR2 Value
Maximum Resolution (bits)
PWM Duty Cycle = (ECCPR1L:ECCP1CON<5:4> •
PWM Frequency
PWM DUTY CYCLE
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS AT 40 MHz
T
OSC
• (TMR2 Prescale Value)
2.44 kHz
FFh
16
10
9.77 kHz
FFh
10
4
39.06 kHz
EQUATION 17-3:
17.4.3
The EPWM1M<1:0> bits in the ECCP1CON register
allow one of four configurations:
• Single Output
• Half-Bridge Output
• Full-Bridge Output, Forward mode
• Full-Bridge Output, Reverse mode
The Single Output mode is the standard PWM mode
discussed in Section 17.4 “Enhanced PWM Mode”.
The Half-Bridge and Full-Bridge Output modes are
covered in detail in the sections that follow.
The general relationship of the outputs in all
configurations is summarized in Figure 17-2.
Note:
FFh
10
1
PWM Resolution (max) =
If the PWM duty cycle value is longer than
the PWM period, the CCP1 pin will not be
cleared.
PWM OUTPUT CONFIGURATIONS
156.25 kHz
3Fh
1
8
© 2009 Microchip Technology Inc.
312.50 kHz
1Fh
log
1
7
(
log(2)
F
F
PWM
OSC
)
416.67 kHz
bits
6.58
17h
1
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