DS1852 datasheet(18/25 Pages) DALLAS

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DS1852

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Table 03h

Memory Location

(Table 3)

Name of Location

Function of Location

80h – 81h

88h – 89h

90h – 91h

98h – 99h

A0h – A1h

Temperature High Alarm

VCC High Alarm

Bin High Alarm

Pin High Alarm

Rin High Alarm

The value written to this location serves as the high alarm limit. Data

format is the same as the corresponding value (temperature, VCC, Bin,

Pin, Rin).

82h – 83h

8Ah – 8Bh

92h – 93h

9Ah – 9Bh

A2h – A3h

Temperature Low Alarm

VCC Low Alarm

Bin Low Alarm

Pin Low Alarm

Rin Low Alarm

The value written to this location serves as the low alarm limit. Data

format is the same as the corresponding value (temperature, VCC, Bin,

Pin, Rin).

84h – 85h

8Ch – 8Dh

94h – 95h

9Ch – 9Dh

A4h – A5h

Temp High Warning

VCC High Warning

Bin High Warning

Pin High Warning

Rin High Warning

The value written to this location serves as the high warning limit.

Data format is the same as the corresponding value (temperature,

VCC, Bin, Pin, Rin).

86h – 87h

8Eh – 8Fh

96h – 97h

9Eh – 9Fh

A6h – A7h

Temperature Low Warning

VCC Low Warning

Bin Low Warning

Pin Low Warning

Rin Low Warning

The value written to this location serves as the low warning limit.

Data format is the same as the corresponding value (temperature,

VCC, Bin, Pin, Rin).

B2h, Bah, C5h – C7h

Logic State Control

These should be left at the factory default values as shown in the

table to allow reading of the digital inputs from address 6Eh in Table

00h.

C8h – C9h

CAh – CBh

CCh – CDh

CEh - CFh

VCC – A/D Scale

Bin – A/D Scale

Pin – A/D Scale

Rin – A/D Scale

16 bits of gain adjustment for corresponding A/D conversion values.

D0h

Chip Address

This is the chip address used when pin ASEL is high (A2h default).

D3h – D6h

PW1 Byte 3 (D3h) MSB

PW1 Byte 2 (D4h)

PW1 Byte 1 (D5h)

PW1 Byte 0 (D6h) LSB

The four bytes are used for password 1 entry. The password entered

here will allow Level 1 access. Factory default is 00h.

D8h – DFh

Bin Fast Trip

These bytes define the fast-trip comparison over temperature.

E0h – E3h

Pin Fast Trip

These bytes define the fast-trip comparison over temperature.

E4h – E7h

Rin Fast Trip

These bytes define the fast-trip comparison over temperature.

E8h

Configuration Override

Byte

Location of the bits is defined in Table 03h expanded.

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