PIC18F6585-I/PT Microchip Technology, PIC18F6585-I/PT Datasheet - Page 175
![IC PIC MCU FLASH 24KX16 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18F6585-I/PT
Manufacturer Part Number
PIC18F6585-I/PT
Description
IC PIC MCU FLASH 24KX16 64TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PCM18XK1.pdf
(496 pages)
3.PIC18F6585-IPT.pdf
(8 pages)
4.PIC18F6585-IPT.pdf
(38 pages)
5.PIC18F6585-IPT.pdf
(14 pages)
Specifications of PIC18F6585-I/PT
Program Memory Type
FLASH
Program Memory Size
48KB (24K x 16)
Package / Case
64-TFQFP
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
52
Eeprom Size
1K x 8
Ram Size
3.25K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3.25 KB
Interface Type
I2C/SPI/AUSART/CAN
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
53
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
12-ch x 10-bit
Package
64TQFP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Operating Supply Voltage
5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT64PT5 - SOCKET TRAN ICE 64MQFP/TQFPAC164319 - MODULE SKT MPLAB PM3 64TQFPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F6585-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F6585-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PCM18XK1 PDF datasheet #2
- PIC18F6585-IPT PDF datasheet #3
- PIC18F6585-IPT PDF datasheet #4
- PIC18F6585-IPT PDF datasheet #5
- Current page: 175 of 496
- Download datasheet (9Mb)
15.4
In Pulse Width Modulation (PWM) mode, the CCPx pin
produces up to a 10-bit resolution PWM output. For
PWM mode to function properly, the TRIS bit for the
CCPx pin must be cleared to make it an output.
Figure 15-3 shows a simplified block diagram of the
CCP module in PWM mode.
For a step-by-step procedure on how to set up the CCP
module for PWM operation, see Section 15.4.3
“Setup for PWM Operation”.
FIGURE 15-3:
A PWM output (Figure 15-4) has a time base (period)
and a time that the output stays high (duty cycle). The
frequency of the PWM is the inverse of the period
(1/period).
FIGURE 15-4:
2004 Microchip Technology Inc.
Note:
Note 1: 8-bit timer is concatenated with 2-bit internal Q clock or
CCPRxL (Master)
CCPRxH (Slave)
Comparator
TMR2 = PR2
Duty Cycle Registers
PR2
TMR2
PWM Mode
Comparator
2 bits of the prescaler to create 10-bit time base.
Duty Cycle
Clearing the CCPxCON register will force
the CCPx PWM output latch to the default
low level. This is not the port data latch.
Period
(Note 1)
TMR2 = Duty Cycle
Clear Timer,
set CCPx pin and
latch D.C.
SIMPLIFIED PWM BLOCK
DIAGRAM
PWM OUTPUT
TMR2 = PR2
CCPxCON<5:4>
R
S
Q
TRIS bit
PIC18F6585/8585/6680/8680
CCPx
15.4.1
The PWM period is specified by writing to the PR2
register. The PWM period can be calculated using the
following formula.
EQUATION 15-1:
PWM frequency is defined as 1/[PWM period].
When TMR2 is equal to PR2, the following three events
occur on the next increment cycle:
• TMR2 is cleared
• The CCP1 pin is set (exception: if PWM duty
• The PWM duty cycle is latched from CCPR1L into
15.4.2
The PWM duty cycle is specified by writing to the
CCPRxL register and to the CCPxCON<5:4> bits. Up
to 10-bit resolution is available. The CCPRxL contains
the eight MSbs and the CCPxCON<5:4> contain the
two LSbs. This 10-bit value is represented by
CCPRxL:CCPxCON<5:4>. The following equation is
used to calculate the PWM duty cycle in time.
EQUATION 15-2:
CCPRxL and CCPxCON<5:4> can be written to at any
time but the duty cycle value is not latched into
CCPRxH until after a match between PR2 and TMR2
occurs (i.e., the period is complete). In PWM mode,
CCPRxH is a read-only register.
The CCPRxH register and a 2-bit internal latch are
used to double-buffer the PWM duty cycle. This
double-buffering is essential for glitchless PWM
operation.
When the CCPRxH and 2-bit latch match TMR2,
concatenated with an internal 2-bit Q clock or 2 bits of
the TMR2 prescaler, the CCPx pin is cleared.
cycle = 0%, the CCP1 pin will not be set)
CCPR1H
Note:
PWM Duty Cycle = (CCPRxL:CCPxCON<5:4>) •
PWM Period = [(PR2) + 1] • 4 • T
PWM PERIOD
The Timer2 postscaler (see Section 13.0
“Timer2 Module”) is not used in the
determination of the PWM frequency. The
postscaler could be used to have a servo
update rate at a different frequency than
the PWM output.
PWM DUTY CYCLE
T
(TMR2 Prescale Value)
OSC
• (TMR2 Prescale Value)
DS30491C-page 173
OSC
•
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