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AD5940 Folha de dados(PDF) 21 Page - Analog Devices

Nome de Peças AD5940
Descrição Electrónicos  High Precision, Impedance, and Electrochemical Front End
PDF  134 Pages
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

AD5940 Folha de dados(HTML) 21 Page - Analog Devices

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Data Sheet
AD5940/AD5941
Rev. C | Page 21 of 134
Pin No.
Mnemonic
Input/Output
Supply
Description
AD5940
AD5941
E1
21
GPIO2
Digital
input/output
General-Purpose Input/Output Pin 2.
E2
N/A
GPIO3
Digital
input/output
General-Purpose Input/Output Pin 3.
E3
29
AGND
Ground
Analog Ground. Short this pin to Pin C4.
E4 to E6
13, 23, 25
DGND
Ground
Digital Ground.
E7
17
MOSI
Digital input
SPI Master Output, Slave Input.
E8
18
MISO
Digital output
SPI Master Input Slave Output.
F1
22
RESET
Digital input
Reset Pin, Active Low.
F2
30
AVDD
Supply
Analog 3.3 V Circuit Power.
F3
6
DVDD
Supply
Digital Circuit Power.
F4
N/A
GPIO6
Digital
input/output
General-Purpose Input/Output Pin 6.
F5
19
GPIO0
Digital
input/output
General-Purpose Input/Output Pin 0.
F6
N/A
GPIO5
Digital
input/output
General-Purpose Input/Output Pin 5.
F7
15
CS
Digital
input/output
SPI Chip Select.
F8
16
SCLK
Digital input
SPI Clock.
G2
26
IOVDD
Supply
Digital Input/Output Supply Pin. DVDD (Pin F3) must be driven before
IOVDD is enabled.
G3
14
DVDD_REG_1V8
Analog
1.8 V Digital Regulator Decoupling Capacitor Pin. Connect a 470 nF
capacitor to this pin.
G4
N/A
GPIO7
Digital
input/output
General-Purpose Input/Output Pin 7.
G5
11
XTALI
Digital Input
16 MHz External Crystal Input Pin.
G6
12
XTALO
Digital
output
16 MHz External Crystal Output Pin.
G7
N/A
GPIO4
Digital
input/output
General-Purpose Input/Output Pin 4.



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