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AD7779 Datasheet(PDF) 92 Page - Analog Devices

Part # AD7779
Description  8-Channel, 24-Bit, Simultaneous Sampling ADC
PDF  97 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7779 Datasheet(HTML) 92 Page - Analog Devices

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AD7779
Data Sheet
Rev. 0 | Page 92 of 97
GENERAL ERRORS REGISTER 1
Address: 0x059, Reset: 0x00, Name: GEN_ERR_REG_1
SPI CRC error
A CRC of the m em ory map contents
is run periodically to check for errors
SPI invalid write address
A CRC of the fuse contents is run
periodically to check for errors in
the fuses
SPI invalid read address
SPI clock counter error
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
[7:6] RESERVED
[0] SPI_CRC_ERR (R)
[5] MEMMAP_CRC_ERR (R)
[1] SPI_INVALID_WRITE_ERR (R)
[4] ROM_CRC_ERR (R)
[2] SPI_INVALID_READ_ERR (R)
[3] SPI_CLK_COUNT_ERR (R)
Table 132. Bit Descriptions for GEN_ERR_REG_1
Bits
Bit Name
Settings
Description
Reset
Access
5
MEMMAP_CRC_ERR
A CRC of the memory map contents is run periodically to check for errors
0x0
R
4
ROM_CRC_ERR
A CRC of the fuse contents is run periodically to check for errors in the fuses
0x0
R
3
SPI_CLK_COUNT_ERR
SPI clock counter error
0x0
R
2
SPI_INVALID_READ_ERR
SPI invalid read address
0x0
R
1
SPI_INVALID_WRITE_ERR
SPI invalid write address
0x0
R
0
SPI_CRC_ERR
SPI CRC error
0x0
R
GENERAL ERRORS REGISTER 1 ENABLE
Address: 0x05A, Reset: 0x3E, Name: GEN_ERR_REG_1_EN
Table 133. Bit Descriptions for GEN_ERR_REG_1_EN
Bits
Bit Name
Settings
Description
Reset
Access
5
MEMMAP_CRC_TEST_EN
Memory Map CRC Test Enable
0x1
R/W
4
ROM_CRC_TEST_EN
Fuse CRC Test Enable
0x1
R/W
3
SPI_CLK_COUNT_TEST_EN
SPI Clock Counter Test Enable
0x1
R/W
2
SPI_INVALID_READ_TEST_EN
SPI Invalid Read Address Test Enable
0x1
R/W
1
SPI_INVALID_WRITE_TEST_EN
SPI Invalid Write Address Test Enable
0x1
R/W
0
SPI_CRC_TEST_EN
SPI CRC Error Test Enable
0x0
R/W



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