PIC18F87J10-I/PT Microchip Technology, PIC18F87J10-I/PT Datasheet - Page 173
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PIC18F87J10-I/PT
Manufacturer Part Number
PIC18F87J10-I/PT
Description
IC PIC MCU FLASH 64KX16 80TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F63J11-IPT.pdf
(36 pages)
3.PIC18F85J10-IPT.pdf
(410 pages)
4.PIC18F85J10-IPT.pdf
(10 pages)
5.PIC18F85J10-IPT.pdf
(10 pages)
6.PIC18F85J10-IPT.pdf
(8 pages)
7.PIC18F66J15-IPT.pdf
(400 pages)
Specifications of PIC18F87J10-I/PT
Program Memory Type
FLASH
Program Memory Size
128KB (64K x 16)
Package / Case
80-TFQFP
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
66
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 15x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3936 B
Interface Type
SPI/I2C/MSSP/EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
66
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, DM183022, DV164136, DM183032, DM164120-5
Minimum Operating Temperature
- 40 C
On-chip Adc
15-ch x 10-bit
Package
80TQFP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Operating Supply Voltage
2.5|3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MA180015 - MODULE PLUG-IN 18F87J10 FOR HPCAC162062 - HEADER INTRFC MPLAB ICD2 64/80PAC164328 - MODULE SKT FOR 80TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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- PIC16F616T-ISL PDF datasheet
- PIC18F63J11-IPT PDF datasheet #2
- PIC18F85J10-IPT PDF datasheet #3
- PIC18F85J10-IPT PDF datasheet #4
- PIC18F85J10-IPT PDF datasheet #5
- PIC18F85J10-IPT PDF datasheet #6
- PIC18F66J15-IPT PDF datasheet #7
- Current page: 173 of 400
- Download datasheet (7Mb)
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
(TMR4), concatenated with an internal 2-bit Q clock or
2 bits of the TMR2 (TMR4) prescaler, the CCPx pin is
cleared.
The maximum PWM resolution (bits) for a given PWM
frequency is given by Equation 16-3:
EQUATION 16-3:
TABLE 16-3:
© 2006 Microchip Technology Inc.
Timer Prescaler (1, 4, 16)
PR2 Value
Maximum Resolution (bits)
Note:
PWM Resolution (max) =
PWM Frequency
If the PWM duty cycle value is longer than
the PWM period, the CCPx pin will not be
cleared.
EXAMPLE PWM FREQUENCIES AND RESOLUTIONS AT 40 MHz
log
(
2.44 kHz
log(2)
F
F
FFh
PWM
OSC
16
10
)
bits
9.77 kHz
Preliminary
FFh
10
4
39.06 kHz
16.4.3
The following steps should be taken when configuring
the CCP module for PWM operation:
1.
2.
3.
4.
5.
FFh
10
1
Set the PWM period by writing to the PR2 (PR4)
register.
Set the PWM duty cycle by writing to the
CCPRxL register and CCPxCON<5:4> bits.
Make the CCPx pin an output by clearing the
appropriate TRIS bit.
Set the TMR2 (TMR4) prescale value, then
enable Timer2 (Timer4) by writing to T2CON
(T4CON).
Configure the CCPx module for PWM operation.
SETUP FOR PWM OPERATION
156.25 kHz
3Fh
1
8
PIC18F87J10
312.50 kHz
1Fh
1
7
DS39663D-page 171
416.67 kHz
6.58
17h
1
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