PIC18LF1330-I/SO Microchip Technology, PIC18LF1330-I/SO Datasheet - Page 81
![IC PIC MCU FLASH 4KX16 18SOIC](/photos/6/76/67656/150-18-soic_sml.jpg)
PIC18LF1330-I/SO
Manufacturer Part Number
PIC18LF1330-I/SO
Description
IC PIC MCU FLASH 4KX16 18SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.AC162078.pdf
(318 pages)
3.PIC18F1230-ISO.pdf
(6 pages)
4.PIC18F1230-ISO.pdf
(12 pages)
5.PIC18F1230-ISO.pdf
(4 pages)
6.PIC18F1230-IP.pdf
(312 pages)
Specifications of PIC18LF1330-I/SO
Core Size
8-Bit
Program Memory Size
8KB (4K x 16)
Oscillator Type
Internal
Core Processor
PIC
Speed
40MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 4x10b
Operating Temperature
-40°C ~ 85°C
Package / Case
18-SOIC (7.5mm Width)
Controller Family/series
PIC18
No. Of I/o's
16
Eeprom Memory Size
128Byte
Ram Memory Size
256Byte
Cpu Speed
40MHz
No.
RoHS Compliant
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
16
Number Of Timers
2
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
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 4 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18LF1330-I/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- AC162078 PDF datasheet #2
- PIC18F1230-ISO PDF datasheet #3
- PIC18F1230-ISO PDF datasheet #4
- PIC18F1230-ISO PDF datasheet #5
- PIC18F1230-IP PDF datasheet #6
- Current page: 81 of 312
- Download datasheet (6Mb)
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
applications 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
arguments, each argument’s Most Significant bit (MSb)
is tested and the appropriate subtractions are done.
TABLE 8-1:
© 2007 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
Advance Information
Program
Memory
(Words)
13
33
21
28
52
35
1
6
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
PIC18F1230/1330
ARG1, W
ARG2
ARG1, W
ARG2
ARG2, SB
PRODH, F
ARG2, W
ARG1, SB
PRODH, F
@ 40 MHz
24.2 μs
25.4 μs
100 ns
600 ns
6.9 μs
9.1 μs
2.8 μs
4.0 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
11.2 μs
16.0 μs
Time
400 ns
2.4 μs
- ARG1
- ARG2
DS39758C-page 79
@ 4 MHz
242 μs
254 μs
69 μs
91 μs
28 μs
40 μs
1 μs
6 μs
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