DSPIC33FJ128GP706A-E/MR Microchip Technology, DSPIC33FJ128GP706A-E/MR Datasheet - Page 25

16 Bit MCU/DSP 40MIPS 128KB FLASH 64 QFN 9x9x0.9mm TUBE

DSPIC33FJ128GP706A-E/MR

Manufacturer Part Number
DSPIC33FJ128GP706A-E/MR
Description
16 Bit MCU/DSP 40MIPS 128KB FLASH 64 QFN 9x9x0.9mm TUBE
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr

Specifications of DSPIC33FJ128GP706A-E/MR

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-VFQFN, Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
2.5
.
FIGURE 2-6:
© 2009 Microchip Technology Inc.
JP4
JP5
JP6
1
1
1
1
N
PC
PB
PA
POWER SUPPLY
1
2
3
4
1
2
3
4
The power supply used in this design provides 3.3V and 5V. Since the energy meter for
a 3-phase 4-wire system is required to operate properly when any one phase is active,
a switching power supply module is used for convenience. T4 is the switching power
supply module.
Prior to the input of this module, additional protection circuitry is included with the meter
design. Figure 2-6 shows the input to the switching power supply module and the
additional filtering and protection circuitry. In Figure 2-6, R
bead, C
to improve anti-surge performance of the system.
Switching Power Supply Module (T4) and Additional Input Protection Circuitry.
R5
COILS
T4
A
B
C
N
N
C
B
A
1
, C
4
, C
Vo2
Vo1
G2
G1
A
B
C
N
6
, RV1, RV2 and RV3 are C
8
7
6
5
8
7
6
5
12V
C1
0.1U
+ C2
100uf
RV1
BB
Hardware Description
capacitors and varistors. They are used
C4
0.1u
JP6
Header 3
1
2
3
RV2
5
is the integrated ferrite
C6
0.1u
DS51723A-page 25
N
RV3
PA
PB
PC
N

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