PIC18F87K90-E/PT Microchip Technology, PIC18F87K90-E/PT Datasheet - Page 180
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PIC18F87K90-E/PT
Manufacturer Part Number
PIC18F87K90-E/PT
Description
128kB Flash, 4kB RAM, 1kB EE, 16MIPS, NanoWatt XLP, LCD, 5V 80 TQFP 12x12x1mm TR
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheet
1.PIC18F66K90-IMR.pdf
(570 pages)
Specifications of PIC18F87K90-E/PT
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
69
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 24x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
80-TQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F87K90-E/PT
Manufacturer:
MICROCHIP
Quantity:
12 000
Company:
Part Number:
PIC18F87K90-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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corresponding Data Direction and Output Latch registers
PIC18F87K90 FAMILY
11.10 PORTJ, TRISJ and
PORTJ is an 8-bit wide, bidirectional port. The
are TRISJ and LATJ.
All pins on PORTJ are implemented with Schmitt
Trigger input buffers. Each pin is individually
configurable as an input or output.
All PORTJ pins, except RJ0, are multiplexed with LCD
segment drives controlled by the LCDSE4 register. I/O
port functions are only available on these pins when the
segments are disabled.
DS39957D-page 180
Note:
Note:
LATJ Registers
PORTJ is available only on 80-pin devices.
These pins are configured as digital inputs
on any device Reset.
Each of the PORTJ pins has a weak internal pull-up. A
single control bit can turn off all the pull-ups. This is
performed by clearing bit RJPU (PADCFG1<5>). The
weak pull-up is automatically turned off when the port
pin is configured as an output. The pull-ups are
disabled on any device Reset.
EXAMPLE 11-9:
CLRF
CLRF
MOVLW
MOVWF
PORTJ
LATJ
0CFh
TRISJ
2009-2011 Microchip Technology Inc.
; Initialize PORTJ by
; clearing output latches
; Alternate method
; to clear output latches
; Value used to
; initialize data
; direction
; Set RJ3:RJ0 as inputs
; RJ5:RJ4 as output
; RJ7:RJ6 as inputs
INITIALIZING PORTJ
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