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ATSENSE301HA-AUR 数据手册 - ATMEL(爱特美尔)
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ATMEL(爱特美尔)
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TQFP-32
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ATSENSE301HA-AUR数据手册
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9
ATSENSE-101/ATSENSE-201(H)/ATSENSE-301(H) [DATASHEET]
11219B–ATSENSE–20-Feb-14
3. Application Block Diagram
Figure 3-1. ATSENSE-301(H) Typical Application Block Diagram
Atmel MCU
VDD 3.3V
VDDIO
NL3L2L1
3k
3.3nF
3.3nF
3k
3k
3.3nF
3.3nF
3k
3k
3.3nF
3.3nF
3k
3k
3.3nF
3.3nF
3k
1μF
1μF
SPI
PIOs
1μF
1.5
1.5
1.5
1.5
1.5
1.5
Shunt
150μR
32.768kHz
100
Wh
100
VARh
C.T
2000:1
C.T
2000:1
C.T
2000:1
Typical 200A (Imax), 3-phase, 4-Wire Smart Meter
based on Atmel Metrology Solution
ΣΔ ADC
PGA
ADCI0
<23:0>
IP0
IN0
DIFF
MUX
2:1
ΣΔ ADC
PGA
ΣΔ ADC
VP3
IP3
IN3
ΣΔ ADC
PGA
ΣΔ ADC
VP2
IP2
IN2
ΣΔ ADC
PGA
ΣΔ ADC
IP1
IN1
MCLK
Interrupt
Controller
ITOUT
VP1
VDDA
GNDA
VREF
VDDA
GNDA
VREF
VDDA
GNDA
VREF
VDDA
GNDA
VREF
VDDA
GNDA
VREF
VDDA
GNDA
VREF
VDDA
GNDA
VREF
VTEMP
VTEMP
ADC_CLK
(MCLK/2)
Control
Registers
2.8V
LDO
Voltage
Reference
VDDIN
Die
Temperature
sensor
VREF
GNDD
VDDIO
Power
On Reset
Clock
Generator
FS_CLK
(MCLK/OSR)
ROM
(Calibration Data)
VDDA
GNDA
Decimator
SPCK
NPCS
MISO
MOSI
Serial
Peripheral
Interface
ADCI3
<23:0>
ADCV3
<23:0>
Decimator
Decimator
ADCI2
<23:0>
ADCV2
<23:0>
Decimator
Decimator
ADCI1
<23:0>
ADCV1
<23:0>
Decimator
Decimator
VN
VN
VN
GNDREF
ATSENSE-301(H)
VDDT
1k 3.3nF
165k (x10)
2.2k
1k 3.3nF
165k (x10)
2.2k
1k 3.3nF
165k (x10)
2.2k
500Ω
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