PIC18F67J11-I/PT Microchip Technology, PIC18F67J11-I/PT Datasheet - Page 111
![IC PIC MCU FLASH 64KX16 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18F67J11-I/PT
Manufacturer Part Number
PIC18F67J11-I/PT
Description
IC PIC MCU FLASH 64KX16 64TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.DV164136.pdf
(448 pages)
3.DV164136.pdf
(4 pages)
4.PIC18F63J11-IPT.pdf
(36 pages)
5.PIC18F66J11-IPT.pdf
(4 pages)
6.PIC18F66J11-IPT.pdf
(4 pages)
7.PIC18F66J11-IPT.pdf
(20 pages)
Specifications of PIC18F67J11-I/PT
Program Memory Type
FLASH
Program Memory Size
128KB (64K x 16)
Package / Case
64-TFQFP
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
52
Ram Size
3930 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3904 B
Interface Type
EUSART/I2C/MSSP/SPI
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
68
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, DV164136, DM183022, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
15-ch x 10-bit
Package
64TQFP
Device Core
PIC
Family Name
PIC18
Maximum Speed
48 MHz
Operating Supply Voltage
1.8|2.5|3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC162091 - HEADER MPLAB ICD2 18F87J11 64/80MA180020 - MODULE PLUG-IN HPC EXPL 18F87J11AC164327 - MODULE SKT FOR 64TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F67J11-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F67J11-I/PT
Manufacturer:
MICROCH
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- DV164136 PDF datasheet #2
- DV164136 PDF datasheet #3
- PIC18F63J11-IPT PDF datasheet #4
- PIC18F66J11-IPT PDF datasheet #5
- PIC18F66J11-IPT PDF datasheet #6
- PIC18F66J11-IPT PDF datasheet #7
- Current page: 111 of 448
- Download datasheet (8Mb)
8.0
8.1
All PIC18 devices include an 8 x 8 hardware multiplier
as part of the ALU. The multiplier performs an unsigned
operation and yields a 16-bit result that is stored in the
product register pair, PRODH:PRODL. The multiplier’s
operation does not affect any flags in the STATUS
register.
Making multiplication a hardware operation allows it to
be completed in a single instruction cycle. This has the
advantages of higher computational throughput and
reduced code size for multiplication algorithms and
allows the PIC18 devices to be used in many applica-
tions previously reserved for digital signal processors.
A comparison of various hardware and software
multiply operations, along with the savings in memory
and execution time, is shown in Table 8-1.
8.2
Example 8-1 shows the instruction sequence for an 8 x 8
unsigned multiplication. Only one instruction is required
when one of the arguments is already loaded in the
WREG register.
Example 8-2 shows the sequence to do an 8 x 8 signed
multiplication. To account for the sign bits of the argu-
ments, each argument’s Most Significant bit (MSb) is
tested and the appropriate subtractions are done.
TABLE 8-1:
© 2009 Microchip Technology Inc.
16 x 16 unsigned
8 x 8 unsigned
16 x 16 signed
8 x 8 signed
Routine
8 x 8 HARDWARE MULTIPLIER
Introduction
Operation
PERFORMANCE COMPARISON FOR VARIOUS MULTIPLY OPERATIONS
Without hardware multiply
Without hardware multiply
Without hardware multiply
Without hardware multiply
Hardware multiply
Hardware multiply
Hardware multiply
Hardware multiply
Multiply Method
Program
Memory
(Words)
13
33
21
28
52
35
1
6
PIC18F87J11 FAMILY
EXAMPLE 8-1:
EXAMPLE 8-2:
MOVF
MULWF
MOVF
MULWF
BTFSC
SUBWF
MOVF
BTFSC
SUBWF
Cycles
(Max)
242
254
69
91
28
40
1
6
ARG1, W
ARG2
ARG1, W
ARG2
ARG2, SB
PRODH, F
ARG2, W
ARG1, SB
PRODH, F
@ 48 MHz
20.1 μs
21.6 μs
83.3 ns
500 ns
5.7 μs
7.5 μs
2.3 μs
3.3 μs
8 x 8 UNSIGNED
MULTIPLY ROUTINE
8 x 8 SIGNED MULTIPLY
ROUTINE
;
; ARG1 * ARG2 ->
; PRODH:PRODL
; ARG1 * ARG2 ->
; PRODH:PRODL
; Test Sign Bit
; PRODH = PRODH
;
; Test Sign Bit
; PRODH = PRODH
;
@ 10 MHz
102.6 μs
27.6 μs
36.4 μs
96.8 μs
16.0 μs
11.2 μs
Time
400 ns
2.4 μs
DS39778D-page 111
- ARG1
- ARG2
@ 4 MHz
242 μs
254 μs
69 μs
91 μs
28 μs
40 μs
1 μs
6 μs
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