EVAL-AD7156EBZ Analog Devices Inc, EVAL-AD7156EBZ Datasheet - Page 6

• Manufacturer Part Number: EVAL-AD7156EBZ
• Description: Evaluation Board I.c.
• Manufacturer: Analog Devices Inc

Specifications of EVAL-AD7156EBZ

• Sensor Type: Touch, Capacitive
• Interface: I²C
• Voltage - Supply: 1.8 V ~ 3.6 V
• Embedded: No
• Utilized Ic / Part: AD7156
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Sensing Range: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed

EVAL-AD7156
SETUP WINDOW
Register Field
The register section of the setup window (left portion of the
window) indicates the address, register name, and the current
content in hexadecimal form for each AD7156 register.
Reset
When Reset is clicked, the software accesses AD7156 Register
Address 0xBF to reset the part. See the AD7156 data sheet for
details on the serial interface.
Demo Setup
A click on Demo Setup configures the AD7156 to its default
settings as shown in Figure 10.
Write
When Write is clicked, the evaluation software writes the
current settings shown in the setup window into the AD7156
registers.
Read
When Read is clicked, the evaluation software reads the current
register content of the AD7156 registers and the updates are
shown in the setup window.
Save to File
When Save to File is clicked, a window opens to allow the
current settings to be saved to a text file.
Read from File
When Read from File is clicked, a window opens to allow you
to read back previously saved settings from a text file.
Vdd
The Vdd box allows you to set the supply voltage for AD7156
within its specified limits between 1.8 V and 3.6 V. The default
setting for the supply voltage is 3.3 V.
Figure 10. AD7156 Evaluation Software Setup Window
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OK
When OK is clicked, the evaluation software writes the current
settings into the AD7156 registers, the setup window closes, and
the software returns to the data acquisition window.
Cancel
When Cancel is clicked, the evaluation software writes the
register settings that were buffered from the time the setup
window was opened into the AD7156 registers. The setup
window then closes and the software returns to the data
acquisition window.
MODE OF OPERATION
Mode
The Mode box allows you to put the AD7156 into the following
operating modes:
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•
•
•
Standby mode (idle).
The part is fully powered up, but not performing any
conversion.
Continuous conversion.
The part is repeatedly performing conversions on the
enabled channel(s). If two channels are enabled, the part is
sequentially switching between them.
Single conversion.
The part performs a single conversion on the enabled
channel. If two channels are enabled, the part performs two
conversions, one on each channel. After finishing the
conversions, the part goes to standby mode (idle).
Power-down.
Powers down the on-chip circuits, except the digital
interface.