PIC18F26J50-I/ML Microchip Technology, PIC18F26J50-I/ML Datasheet - Page 150
![IC PIC MCU FLASH 64K 2V 28-QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC18F26J50-I/ML
Manufacturer Part Number
PIC18F26J50-I/ML
Description
IC PIC MCU FLASH 64K 2V 28-QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18LF24J10-ISS.pdf
(32 pages)
2.PIC18LF24J50-ISS.pdf
(554 pages)
3.PIC18LF24J50-ISS.pdf
(12 pages)
4.PIC18F26K20-ISO.pdf
(430 pages)
Specifications of PIC18F26J50-I/ML
Program Memory Type
FLASH
Program Memory Size
64KB (32K x 16)
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
16
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2.15 V ~ 3.6 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3776 B
Interface Type
EUSART, I2C, SPI
Maximum Clock Frequency
48 MHz
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, DM183032, DV164136, MA180024, DM183022
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 10 Channel
Package
28QFN EP
Device Core
PIC
Family Name
PIC18
Maximum Speed
48 MHz
Operating Supply Voltage
2.5|3.3 V
A/d Bit Size
10 bit
A/d Channels Available
10
Height
0.88 mm
Length
6 mm
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.15 V
Width
6 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F26J50-I/ML
Manufacturer:
PANASONIC
Quantity:
2 000
- PIC18LF24J10-ISS PDF datasheet
- PIC18LF24J50-ISS PDF datasheet #2
- PIC18LF24J50-ISS PDF datasheet #3
- PIC18F26K20-ISO PDF datasheet #4
- Current page: 150 of 430
- Download datasheet (7Mb)
PIC18F2XK20/4XK20
11.4.1
The PWM period is specified by the PR2 register of
Timer2. The PWM period can be calculated using the
formula of Equation 11-1.
EQUATION 11-1:
When TMR2 is equal to PR2, the following three events
occur on the next increment cycle:
• TMR2 is cleared
• The CCPx pin is set. (Exception: If the PWM duty
• The PWM duty cycle is latched from CCPR
DS41303D-page 148
cycle = 0%, the pin will not be set.)
CCPR
Note:
Note: T
PWM Period
x
H.
PWM PERIOD
The Timer2 postscaler (see Section 14.1
“Timer2 Operation”) is not used in the
determination of the PWM frequency.
OSC
= 1/F
=
(TMR2 Prescale Value)
[
PWM PERIOD
(
OSC
PR2
.
)
+
1
] 4 T
•
•
OSC
•
x
L into
Preliminary
11.4.2
The PWM duty cycle is specified by writing a 10-bit
value to multiple registers: CCPR
DCxB<1:0> bits of the CCPxCON register. The
CCPR
bits of the CCPxCON register contain the two LSbs.
CCPR
register can be written to at any time. The duty cycle
value is not latched into CCPR
completes (i.e., a match between PR2 and TMR2
registers occurs). While using the PWM, the CCPR
register is read-only.
Equation 11-2 is used to calculate the PWM pulse
width.
Equation 11-3 is used to calculate the PWM duty cycle
ratio.
EQUATION 11-2:
EQUATION 11-3:
The CCPR
used to double buffer the PWM duty cycle. This double
buffering is essential for glitchless PWM operation.
The 8-bit timer TMR2 register is concatenated with
either the 2-bit internal system clock (F
the prescaler, to create the 10-bit time base. The system
clock is used if the Timer2 prescaler is set to 1:1.
When the 10-bit time base matches the CCPR
2-bit latch, then the CCPx pin is cleared (see
Figure 11-3).
Duty Cycle Ratio
x
x
Pulse Width
L contains the eight MSbs and the DCxB<1:0>
L and DCxB<1:0> bits of the CCPxCON
x
PWM DUTY CYCLE
H register and a 2-bit internal latch are
=
T
OSC
(
=
PULSE WIDTH
DUTY CYCLE RATIO
CCPRxL:DCxB<1:0>
© 2008 Microchip Technology Inc.
(
---------------------------------------------------------- -
CCPRxL:DCxB<1:0>
•
(TMR2 Prescale Value)
4 PR2
x
H until after the period
(
x
+
OSC
L register and
1
)
), or 2 bits of
)
•
)
x
H and
x
H
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