PIC17C766-33E/L Microchip Technology, PIC17C766-33E/L Datasheet - Page 68
PIC17C766-33E/L
Manufacturer Part Number
PIC17C766-33E/L
Description
IC MCU CMOS 33MHZ 16K EPRM84PLCC
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC17C752-16L.pdf
(304 pages)
3.PIC17C752-16L.pdf
(6 pages)
Specifications of PIC17C766-33E/L
Core Processor
PIC
Core Size
8-Bit
Speed
33MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
66
Program Memory Size
32KB (16K x 16)
Program Memory Type
OTP
Ram Size
902 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
84-PLCC
For Use With
AC164318 - MODULE SKT MPLAB PM3 84PLCCDVA17XL841 - DEVICE ADAPTER FOR PIC17C762DM173001 - KIT DEVELOPMENT PICDEM17AC164027 - ADAPTER PICSTART PLUS 84PLCCAC174012 - MODULE SKT PROMATEII 84PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC17C766-33E/L
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC17C7XX
Example 9-3 shows the sequence to do a 16 x 16
unsigned multiply. Equation 9-1 shows the algorithm
that is used. The 32-bit result is stored in 4 registers,
RES3:RES0.
EQUATION 9-1:
DS30289B-page 68
RES3:RES0 =
=
ARG1H:ARG1L ARG2H:ARG2L
(ARG1H ARG2H 2
(ARG1H ARG2L 2
(ARG1L ARG2H 2
(ARG1L ARG2L)
16 x 16 UNSIGNED
MULTIPLICATION
ALGORITHM
8
8
16
)
)
)
+
+
+
EXAMPLE 9-3:
;
;
;
MOVFP
MULWF
MOVPF
MOVPF
MOVFP
MULWF
MOVPF
MOVPF
MOVFP
MULWF
MOVFP
ADDWF
MOVFP
ADDWFC
CLRF
ADDWFC
MOVFP
MULWF
MOVFP
ADDWF
MOVFP
ADDWFC
CLRF
ADDWFC
ARG1L, WREG
ARG2L
PRODH, RES1 ;
PRODL, RES0 ;
ARG1H, WREG
ARG2H
PRODH, RES3 ;
PRODL, RES2 ;
ARG1L, WREG
ARG2H
PRODL, WREG ;
RES1, F
PRODH, WREG ;
RES2, F
WREG, F
RES3, F
ARG1H, WREG ;
ARG2L
PRODL, WREG ;
RES1, F
PRODH, WREG ;
RES2, F
WREG, F
RES3, F
16 x 16 UNSIGNED
MULTIPLY ROUTINE
2000 Microchip Technology Inc.
; ARG1L * ARG2L ->
;
; ARG1H * ARG2H ->
;
; ARG1L * ARG2H ->
;
; Add cross
;
;
;
; ARG1H * ARG2L ->
;
; Add cross
;
;
;
PRODH:PRODL
PRODH:PRODL
PRODH:PRODL
PRODH:PRODL
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