PIC18F65J90-I/PT Microchip Technology, PIC18F65J90-I/PT Datasheet - Page 63
![IC PIC MCU FLASH 16KX16 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18F65J90-I/PT
Manufacturer Part Number
PIC18F65J90-I/PT
Description
IC PIC MCU FLASH 16KX16 64TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F63J11-IPT.pdf
(36 pages)
3.PIC18F63J90-IPT.pdf
(416 pages)
4.PIC18F63J90-IPT.pdf
(22 pages)
5.PIC18F63J90-IPT.pdf
(4 pages)
6.PIC18F63J90-IPT.pdf
(6 pages)
7.PIC18F63J90-IPT.pdf
(6 pages)
8.PIC18F63J90-IPT.pdf
(12 pages)
9.PIC18F85J90-IPT.pdf
(411 pages)
Specifications of PIC18F65J90-I/PT
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, LVD, POR, PWM, WDT
Number Of I /o
51
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Controller Family/series
PIC18
No. Of I/o's
51
Ram Memory Size
2KB
Cpu Speed
40MHz
No. Of Timers
4
No. Of Pwm Channels
2
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
AUSART, EUSART, I2C, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
51
Number Of Timers
4
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, DV164136, DM183030
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 12 Channel
Package
64TQFP
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
AC162079 - HEADER MPLAB ICD2 18F85J90 64/80AC164327 - MODULE SKT FOR 64TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F65J90-I/PT
Manufacturer:
VISHAY
Quantity:
2 400
Company:
Part Number:
PIC18F65J90-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F65J90-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18F63J11-IPT PDF datasheet #2
- PIC18F63J90-IPT PDF datasheet #3
- PIC18F63J90-IPT PDF datasheet #4
- PIC18F63J90-IPT PDF datasheet #5
- PIC18F63J90-IPT PDF datasheet #6
- PIC18F63J90-IPT PDF datasheet #7
- PIC18F63J90-IPT PDF datasheet #8
- PIC18F85J90-IPT PDF datasheet #9
- Current page: 63 of 411
- Download datasheet (7Mb)
5.1.4.4
Device Resets on stack overflow and stack underflow
conditions are enabled by setting the STVREN bit in
Configuration Register 1L. When STVREN is set, a full
or underflow condition will set the appropriate STKFUL
or STKUNF bit and then cause a device Reset. When
STVREN is cleared, a full or underflow condition will set
the appropriate STKFUL or STKUNF bit, but not cause
a device Reset. The STKFUL or STKUNF bits are
cleared by the user software or a Power-on Reset.
5.1.5
A Fast Register Stack is provided for the STATUS,
WREG and BSR registers to provide a “fast return”
option for interrupts. This stack is only one level deep
and is neither readable nor writable. It is loaded with the
current value of the corresponding register when the
processor vectors for an interrupt. All interrupt sources
will push values into the Stack registers. The values in
the registers are then loaded back into the working
registers if the RETFIE, FAST instruction is used to
return from the interrupt.
If both low and high priority interrupts are enabled, the
Stack registers cannot be used reliably to return from
low priority interrupts. If a high priority interrupt occurs
while servicing a low priority interrupt, the Stack
register values stored by the low priority interrupt will be
overwritten. In these cases, users must save the key
registers in software during a low priority interrupt.
If interrupt priority is not used, all interrupts may use the
Fast Register Stack for returns from interrupt. If no
interrupts are used, the Fast Register Stack can be
used to restore the STATUS, WREG and BSR registers
at the end of a subroutine call. To use the Fast Register
Stack for a subroutine call, a CALL label, FAST
instruction must be executed to save the STATUS,
WREG and BSR registers to the Fast Register Stack. A
RETURN, FAST instruction is then executed to restore
these registers from the Fast Register Stack.
Example 5-1 shows a source code example that uses
the Fast Register Stack during a subroutine call and
return.
EXAMPLE 5-1:
© 2007 Microchip Technology Inc.
CALL SUB1, FAST
SUB1
RETURN FAST
FAST REGISTER STACK
Stack Full and Underflow Resets
FAST REGISTER STACK
CODE EXAMPLE
;STATUS, WREG, BSR
;SAVED IN FAST REGISTER
;STACK
;RESTORE VALUES SAVED
;IN FAST REGISTER STACK
Preliminary
PIC18F85J90 FAMILY
5.1.6
There may be programming situations that require the
creation of data structures, or look-up tables, in
program memory. For PIC18 devices, look-up tables
can be implemented in two ways:
• Computed GOTO
• Table Reads
5.1.6.1
A computed GOTO is accomplished by adding an offset
to the program counter. An example is shown in
Example 5-2.
A look-up table can be formed with an ADDWF PCL
instruction and a group of RETLW nn instructions. The
W register is loaded with an offset into the table before
executing a call to that table. The first instruction of the
called routine is the ADDWF PCL instruction. The next
instruction executed will be one of the RETLW
instructions that returns the value ‘nn’ to the calling
function.
The offset value (in WREG) specifies the number of
bytes that the program counter should advance and
should be multiples of 2 (LSb = 0).
In this method, only one data byte may be stored in
each instruction location and room on the return
address stack is required.
EXAMPLE 5-2:
5.1.6.2
A better method of storing data in program memory
allows two bytes of data to be stored in each instruction
location.
Look-up table data may be stored two bytes per
program word while programming. The Table Pointer
(TBLPTR) specifies the byte address and the Table
Latch (TABLAT) contains the data that is read from the
program memory. Data is transferred from program
memory one byte at a time.
Table
Section 6.1 “Table Reads and Table Writes”.
ORG
TABLE
read
MOVF
CALL
nn00h
ADDWF
RETLW
RETLW
RETLW
.
.
.
LOOK-UP TABLES IN PROGRAM
MEMORY
Computed GOTO
Table Reads
operation
OFFSET, W
TABLE
PCL
nnh
nnh
nnh
COMPUTED GOTO USING
AN OFFSET VALUE
is
discussed
DS39770B-page 61
further
nn
in
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