ADS5400IPZP datasheet(23/48 Pages) TI

23 / 48 page

ADS5400

www.ti.com

SLAS611B – OCT 2009 – REVISED MARCH 2010

Table 13. Serial Register 0x08 (Read only)

Address (hex)

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

0x08

Die temperature bits<7:0>

Defaults

depends on reading from temperature sensor

BIT <7:0>

Die temperature readout

if enabled in register 0x05. To obtain the die temperature in Celsius,

convert the 8-bit word to decimal and subtract 78.

<7:0> = 0x00 = 00000000, measured temperature is 0-78 = -78°C

<7:0> = 0x73 = 01110011, measured temperature is 115 - 78 = 37°C

<7:0> = 0xAF, measured temperature is 175 - 78 = 97°C

Table 14. Serial Register 0x09 (Read only)

Address (hex)

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

0x09

000 0000

Memory error

Defaults

000 0000

BIT <7:1>

RESERVED

set to 0 if writing this register

do not set to 1

BIT <0>

Memory Error Indicator

Registers 0x00 through 0x07 have multiple redundancy. If any copy

disagrees with the others, an error is flagged in this bit. This is for

systems that require the highest level of assurance that the device

remains programmed in the proper state and indication of an error if

something changes unexpectedly.

Table 15. Serial Register 0x0A (Read only)

Address (hex)

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

0x0A

0000 0000

Defaults

0000 0000

BIT <7:0>

RESERVED

set to 0 if writing this register

do not set to 1

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