PIC18F65K90-I/MR Microchip Technology, PIC18F65K90-I/MR Datasheet - Page 172

• Manufacturer Part Number: PIC18F65K90-I/MR
• Description: 32kB Flash, 2kB RAM, 1kB EE, NanoWatt XLP, LCD 64 QFN 9x9x0.9mm TUBE
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F65K90-I/MR

• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 32 KB
• Data Ram Size: 2 KB
• Interface Type: I2C, SPI
• Maximum Clock Frequency: 64 MHz
• Number Of Timers: 8
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 16 Channel
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 64MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 53
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 16x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-VFQFN Exposed Pad
• Lead Free Status / Rohs Status: Details

corresponding Data Direction and Output Latch registers
implemented with Schmitt Trigger input buffers. Each pin
PIC18F87K90 FAMILY
11.7
PORTF is a 7-bit wide, bidirectional port. The
are TRISF and LATF. All pins on PORTF are
is individually configurable as an input or output.
PORTF is multiplexed with analog peripheral functions,
as well as LCD segments. Pins, RF1 through RF6, may
be used as comparator inputs or outputs by setting the
appropriate bits in the CMCON register. To use
RF<7:1> as digital inputs, it is also necessary to turn off
the comparators.
DS39957D-page 172
Note 1: On device Resets, pins, RF<7:1>, are
PORTF, LATF and TRISF Registers
2: To configure PORTF as a digital I/O, turn
configured as analog inputs and are read
as ‘0’.
off the comparators and clear ANCON1
and ANCON2 to digital.
PORTF is also multiplexed with LCD segment drives
controlled by bits in the LCDSE2 and LCDSE3
registers. I/O port functions are only available when the
segments are disabled.
EXAMPLE 11-6:
CLRF
CLRF
BANKSEL ANCON1
MOVLW
MOVWF
MOVLW
MOVWF
MOVLW
MOVWF
PORTF
LATF
01Fh
ANCON1
0F0h
ANCON2
0CEh
TRISF
 2009-2011 Microchip Technology Inc.
; Initialize PORTF by
; clearing output
; data latches
; Alternate method
; to clear output
; data latches
; Make AN6, AN7 and AN5 digital
;
; Make AN8, AN9, AN10 and AN11
; Set PORTF as digital I/O
; Value used to
; initialize data
; direction
; Set RF3:RF1 as inputs
; RF5:RF4 as outputs
; RF7:RF6 as inputs
digital
INITIALIZING PORTF