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AD7761BSTZ Datasheet(PDF) 69 Page - Analog Devices

Part # AD7761BSTZ
Description  8-Channel, 16-Bit, Simultaneous Sampling ADC with Power Scaling, 110.8 kHz BW
PDF  76 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7761BSTZ Datasheet(HTML) 69 Page - Analog Devices

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AD7761
Data Sheet
Rev. A | Page 68 of 75
Bits
Bit Name
Settings
Description
Reset
Access
0
RAM_BIST_RUNNING
BIST status. Reading back the value of this bit allows the user to poll when the
BIST test has finished.
0x0
R
0
BIST not running.
1
BIST running.
REVISION IDENTIFICATION REGISTER
Address: 0x0A, Reset: 0x06, Name: Revision ID
Table 44. Bit Descriptions for Revision ID
Bits
Bit Name
Description
Reset
Access
[7:0]
REVISION_ID
ASIC revision. 8-bit ID for revision details.
0x06
R
GPIO CONTROL REGISTER
Address: 0x0E, Reset: 0x00, Name: GPIO Control
Table 45. Bit Descriptions for GPIO Control
Bits
Bit Name
Setting
Description
Reset
Access
7
UGPIO_ENABLE
User GPIO enable. The GPIOx pins are dual purpose and can be operated only
when the device is in SPI control mode. By default, when the AD7761 is powered
up in SPI control mode, the GPIOx pins are disabled. This bit is a universal enable/
disable for all GPIOx input/outputs. The direction of each general-purpose pin
is determined by Bits[4:0] of this register.
0x0
RW
0
GPIO disabled.
1
GPIO enabled.
4
GPIOE4_FILTER
GPIO4 direction. This bit assigns the direction of GPIO4 as either an input or an
output. For SPI control, GPIO4 maps to Pin 11, which is the FILTER/GPIO4 pin.
0x0
RW
0
Input.
1
Output.
3
GPIOE3_MODE3
GPIO3 direction. This bit assigns the direction of GPIO3 as either an input or an
output. For SPI control, GPIO3 maps to Pin 15, which is the MODE3/GPIO3 pin.
0x0
RW
0
Input.
1
Output.
2
GPIOE2_MODE2
GPIO2 direction. This bit assigns the direction of GPIO2 as either an input or an
output. For SPI control, GPIO2 maps to Pin 14, which is the MODE2/GPIO2 pin.
0x0
RW
0
Input.
1
Output.
1
GPIOE1_MODE1
GPIO1 direction. This bit assigns the direction of GPIO1 as either an input or an
output. For SPI control, GPIO1 maps to Pin 13, which is the MODE1/GPIO1 pin.
0x0
RW
0
Input.
1
Output.
0
GPIO0_MODE0
GPIO0 direction. This bit assigns the direction of GPIO0 as either an input or an
output. For SPI control, GPIO0 maps to Pin 12, which is the MODE0/GPIO0 pin.
0x0
RW
0
Input.
1
Output.



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