DSPIC33FJ128GP706A-E/PT Microchip Technology, DSPIC33FJ128GP706A-E/PT Datasheet - Page 82
DSPIC33FJ128GP706A-E/PT
Manufacturer Part Number
DSPIC33FJ128GP706A-E/PT
Description
16 Bit MCU/DSP 40MIPS 128KB FLASH 64 TQFP 10x10x1mm TRAY
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Datasheets
1.MCP3909T-ISS.pdf
(104 pages)
2.DSPIC33FJ12GP201-ISO.pdf
(90 pages)
3.DSPIC33FJ64GP206-IPT.pdf
(28 pages)
4.DSPIC33FJ64GP206A-IMR.pdf
(338 pages)
Specifications of DSPIC33FJ128GP706A-E/PT
Core Processor
dsPIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
CAN, I²C, IrDA, LIN, SPI, UART/USART
Peripherals
AC'97, Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 18x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
64-TFQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DSPIC33FJ128GP706A-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
MCP3909 / dsPIC33F 3-Phase Energy Meter Reference Design
C.3
DS51723A-page 82
THE HARMONIC ANALYSIS ALGORITHM OF QUASI-SYNCHRONOUS
SAMPLING
Periodic signal can be expressed as trigonometric Fourier series or exponential Fourier
series. A periodic signal with a period of T can be expressed as :
EQUATION C-11:
where:
EQUATION C-12:
EQUATION C-13:
or as:
EQUATION C-14:
where the relationship between a
EQUATION C-15:
EQUATION C-16:
EQUATION C-17:
f t ( )
=
f t ( )
α
------ -
2
0
+
a
=
k
k
b
∑
k
∞
=
a
=
k
0
=
, b
1
+
-- -
T
(
2
α
-- -
T
2
k
c
k
⋅
a
k
ϕ
∑
, c
k
T
∫
0
∞
=
⋅
k
cos
k
f t ( )
T
∫
0
=
1
=
f t ( )
=
c
(
k
k
k
c
⋅
sin
and ϕ
atan
⋅
a
k
cos
⋅
ω
2
k
sin
sin
(
+
⋅
k
t
(
a
---- -
b
ϕ
)
k
(
⋅
b
k
k
k
k
+
ω
k
2
k
⋅
⋅
ω
is:
β
⋅
ω
cos
t
⋅
⋅
+
t
)dt
t
(
)
ϕ
k
dt
k
⋅
)
ω
⋅
© 2009 Microchip Technology Inc.
t
)
)