AD7293 datasheet(56/79 Pages) AD

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AD7293

Data Sheet

Rev. D | Page 56 of 79

MAXIMUM 0 (PAGE 0x0C)

Table 76. Maximum 0 (Page 0x0C)

Address

(Hex)

Name

Byte1

Access

Type1

Default

Value1

0x00

No op

N/A

0x00

0x01

Page select pointer

R/W

0x00

0x02

Conversion command2

N/A

0x03

Result

0x0000

0x04

DAC enable

R/W

0x00

0x05

GPIO

R/W

0x00

0x0C

Device ID

0x0018

0x0F

Software reset

R/W

0x0000

0x10

VIN0 maximum

R/W

0x0000

0x11

VIN1 maximum

R/W

0x0000

0x12

VIN2 maximum

R/W

0x0000

0x13

VIN3 maximum

R/W

0x0000

0x20

TSENSEINT maximum

R/W

0x0000

0x21

TSENSED0 maximum

R/W

0x0000

0x22

TSENSED1 maximum

R/W

0x0000

0x28

ISENSE0 maximum

R/W

0x0000

0x29

ISENSE1 maximum

R/W

0x0000

0x2A

ISENSE2 maximum

R/W

0x0000

0x2B

ISENSE3 maximum

R/W

0x0000

N/A means not applicable.

Not a physical register.

VINx Maximum Registers (Register 0x10 to Register 0x13)

These 16-bit registers store the maximum ADC conversion

results for the relevant input channel. These registers can be set

back to their default value by writing to them (the 12-bit write

value is not written to these registers).

Temperature Sensor (TSENSEx) Maximum Registers

(Register 0x20 to Register 0x22)

These 16-bit registers store the maximum ADC conversion

results for the relevant temperature sensor channel. These

registers can be set back to their default value by writing to

them (the 12-bit write value is not written to these registers).

Table 77. Temperature Sensor Maximum Registers

(Register 0x20 to Register 0x22)

Bit

Number(s)

Bit

Name

Description

D15

B11

0: −256°C

1: 0°C

D14

B10

0: 0°C

1: 128°C

D13

0: 0°C

1: 64°C

D12

0: 0°C

1: 32°C

D11

0: 0°C

1: 16°C

D10

0: 0°C

1: 8°C

0: 0°C

1: 4°C

0: 0°C

1: 2°C

0: 0°C

1: 1°C

0: 0°C

1: 0.5°C

0: 0°C

1: 0.25°C

0: 0°C

1: 0.125°C

[D3:D0]

Reserved

Current Sensor (ISENSEx) Maximum Registers

(Register 0x28 to Register 0x2B)

These 16-bit registers store the maximum ADC conversion

results for the relevant current sensor channel. These registers can

be set back to their default value by writing to them (the 12-bit

write value is not written to these registers).

Table 78. VINx and Current Sensor Maximum Registers (Register 0x10 to Register 0x13, and Register 0x28 to Register 0x2B)

MSB

LSB

D15

D14

D13

D12

D11

D10

[D3:D0]

B11

B10

Reserved

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