PIC18F8722-I/PT Microchip Technology Inc., PIC18F8722-I/PT Datasheet - Page 158
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PIC18F8722-I/PT
Manufacturer Part Number
PIC18F8722-I/PT
Description
80 PIN, 128 KB FLASH, 4K RAM, 70 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F8722-IPT.pdf
(448 pages)
Specifications of PIC18F8722-I/PT
A/d Inputs
16-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
1024 Bytes
Input Output
70
Interface
SPI/I2C/USART
Memory Type
Flash
Number Of Bits
8
Package Type
80-pin TQFP
Programmable Memory
128K Bytes
Ram Size
3.9K Bytes
Speed
40 MHz
Timers
2-8 bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F8722-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F8722-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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PIC18F8722 FAMILY
11.9
PORTJ is an 8-bit wide, bidirectional port. The corre-
sponding data direction register is TRISJ. Setting a
TRISJ bit (= 1) will make the corresponding PORTJ pin
an input (i.e., put the corresponding output driver in a
high-impedance mode). Clearing a TRISJ bit (= 0) will
make the corresponding PORTJ pin an output (i.e., put
the contents of the output latch on the selected pin).
The Data Latch register (LATJ) is also memory
mapped. Read-modify-write operations on the LATJ
register, read and write the latched output value for
PORTJ.
All pins on PORTJ are implemented with Schmitt
Trigger input buffers. Each pin is individually
configurable as an input or output.
DS39646B-page 156
Note:
Note:
PORTJ, TRISJ and
LATJ Registers
PORTJ
PIC18F8527/8622/8627/8722 devices.
On a Power-on Reset, these pins are
configured as digital inputs.
is
available
only
Preliminary
on
When the external memory interface is enabled, all of
the PORTJ pins function as control outputs for the
interface. This occurs automatically when the interface
is enabled by clearing the EBDIS control bit
(MEMCON<7>). The TRISJ bits are also overridden.
EXAMPLE 11-9:
CLRF
CLRF
MOVLW 0xCF
MOVWF TRISJ
PORTJ
LATJ
; Initialize PORTJ by
; clearing output
; data latches
; Alternate method
; to clear output
; data latches
; Value used to
; initialize data
; direction
; Set RJ3:RJ0 as inputs
; RJ5:RJ4 as output
; RJ7:RJ6 as inputs
INITIALIZING PORTJ
2004 Microchip Technology Inc.
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