PIC18F96J65T-I/PF Microchip Technology, PIC18F96J65T-I/PF Datasheet - Page 191

• Manufacturer Part Number: PIC18F96J65T-I/PF
• Description: 96KB Flash, 12KB RAM, 10BASE-T Ethernet 100 TQFP 14x14x1mm T/R
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F96J65T-I/PF

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 41.667MHz
• Connectivity: EBI/EMI, Ethernet, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 96KB (48K x 16)
• Program Memory Type: FLASH
• Ram Size: 3808 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 3808 B
• Interface Type: Display Driver, Ethernet, EUSART, I2C, MSSP, SPI
• Maximum Clock Frequency: 41.667 MHz
• Number Of Programmable I/os: 70
• 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, DM183033, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 16 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC162064 - HEADER INTFC MPLABICD2 64/80/100
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

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:
© 2009 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
(
log(2)
2.44 kHz
F
F
FFh
PWM
OSC
16
10
)
bits
9.77 kHz
FFh
10
4
PIC18F97J60 FAMILY
39.06 kHz
16.4.3
The following steps should be taken when configuring
the CCPx 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
312.50 kHz
1Fh
1
7
DS39762E-page 191
416.67 kHz
6.58
17h
1