PIC18F1330-E/SO Microchip Technology, PIC18F1330-E/SO Datasheet - Page 86
PIC18F1330-E/SO
Manufacturer Part Number
PIC18F1330-E/SO
Description
Microcontroller
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.AC162078.pdf
(318 pages)
3.PIC18F1220-ISO.pdf
(36 pages)
4.PIC18F1230-ISO.pdf
(6 pages)
5.PIC18F1230-ISO.pdf
(12 pages)
6.PIC18F1230-ISO.pdf
(4 pages)
Specifications of PIC18F1330-E/SO
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
18-SOIC (7.5mm Width)
Processor Series
PIC18F
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
+ 125 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
A/d Bit Size
10 bit
A/d Channels Available
4
Height
2.31 mm
Length
11.53 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.2 V
Width
7.49 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- AC162078 PDF datasheet #2
- PIC18F1220-ISO PDF datasheet #3
- PIC18F1230-ISO PDF datasheet #4
- PIC18F1230-ISO PDF datasheet #5
- PIC18F1230-ISO PDF datasheet #6
- Current page: 86 of 318
- Download datasheet (3Mb)
PIC18F1230/1330
Example 9-3 shows the sequence to do a 16 x 16
unsigned multiplication. Equation 9-1 shows the
algorithm that is used. The 32-bit result is stored in four
registers (RES3:RES0).
EQUATION 9-1:
EXAMPLE 9-3:
Example 9-4 shows the sequence to do a 16 x 16
signed multiply. Equation 9-2 shows the algorithm
used. The 32-bit result is stored in four registers
(RES3:RES0). To account for the sign bits of the
arguments, the MSb for each argument pair is tested
and the appropriate subtractions are done.
DS39758D-page 86
;
;
;
RES3:RES0= ARG1H:ARG1L ARG2H:ARG2L
MOVF
MULWF
MOVFF
MOVFF
MOVF
MULWF
MOVFF
MOVFF
MOVF
MULWF
MOVF
ADDWF
MOVF
ADDWFC RES2, F
CLRF
ADDWFC RES3, F
MOVF
MULWF
MOVF
ADDWF
MOVF
ADDWFC RES2, F
CLRF
ADDWFC RES3, F
= (ARG1H ARG2H 2
(ARG1H ARG2L 2
(ARG1L ARG2H 2
(ARG1L ARG2L)
ARG1L, W
ARG2L
PRODH, RES1 ;
PRODL, RES0 ;
ARG1H, W
ARG2H
PRODH, RES3 ;
PRODL, RES2 ;
ARG1L, W
ARG2H
PRODL, W
RES1, F
PRODH, W
WREG
ARG1H, W
ARG2L
PRODL, W
RES1, F
PRODH, W
WREG
16 x 16 UNSIGNED
MULTIPLICATION
ALGORITHM
16 x 16 UNSIGNED
MULTIPLY ROUTINE
; ARG1L * ARG2L->
; PRODH:PRODL
; ARG1H * ARG2H->
; PRODH:PRODL
; ARG1L * ARG2H->
; PRODH:PRODL
;
; Add cross
; products
;
;
;
;
; ARG1H * ARG2L->
; PRODH:PRODL
;
; Add cross
; products
;
;
;
8
8
16
) +
) +
) +
EQUATION 9-2:
EXAMPLE 9-4:
RES3:RES0= ARG1H:ARG1L ARG2H:ARG2L
;
;
;
;
;
SIGN_ARG1
;
CONT_CODE
:
MOVF
MULWF
MOVFF
MOVFF
MOVF
MULWF
MOVFF
MOVFF
MOVF
MULWF
MOVF
ADDWF
MOVF
ADDWFC RES2, F
CLRF
ADDWFC RES3, F
MOVF
MULWF
MOVF
ADDWF
MOVF
ADDWFC RES2, F
CLRF
ADDWFC RES3, F
BTFSS
BRA
MOVF
SUBWF
MOVF
SUBWFB RES3
BTFSS
BRA
MOVF
SUBWF
MOVF
SUBWFB RES3
= (ARG1H ARG2H 2
(ARG1H ARG2L 2
(ARG1L ARG2H 2
(ARG1L ARG2L) +
(-1 ARG2H<7> ARG1H:ARG1L 2
(-1 ARG1H<7> ARG2H:ARG2L 2
ARG1L, W
ARG2L
PRODH, RES1 ;
PRODL, RES0 ;
ARG1H, W
ARG2H
PRODH, RES3 ;
PRODL, RES2 ;
ARG1L, W
ARG2H
PRODL, W
RES1, F
PRODH, W
WREG
ARG1H, W
ARG2L
PRODL, W
RES1, F
PRODH, W
WREG
ARG2H, 7
SIGN_ARG1
ARG1L, W
RES2
ARG1H, W
ARG1H, 7
CONT_CODE
ARG2L, W
RES2
ARG2H, W
16 x 16 SIGNED
MULTIPLICATION
ALGORITHM
16 x 16 SIGNED
MULTIPLY ROUTINE
2009 Microchip Technology Inc.
; ARG1L * ARG2L ->
; PRODH:PRODL
; ARG1H * ARG2H ->
; PRODH:PRODL
; ARG1L * ARG2H ->
; PRODH:PRODL
;
; Add cross
; products
;
;
;
;
; ARG1H * ARG2L ->
; PRODH:PRODL
;
; Add cross
; products
;
;
;
; ARG2H:ARG2L neg?
; no, check ARG1
;
;
;
; ARG1H:ARG1L neg?
; no, done
;
;
;
8
8
16
) +
) +
) +
16
16
) +
)
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