AD7293 datasheet(53/78 Pages) AD

53 / 78 page

Data Sheet

AD7293

Rev. B | Page 53 of 78

MINIMUM 0 (PAGE 0x0A)

Table 71. Minimum 0 (Page 0x0A)

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 minimum

R/W

0xFFF0

0x11

VIN1 minimum

R/W

0xFFF0

0x12

VIN2 minimum

R/W

0xFFF0

0x13

VIN3 minimum

R/W

0xFFF0

0x20

TSENSEINT minimum

R/W

0xFFF0

0x21

TSENSED0 minimum

R/W

0xFFF0

0x22

TSENSED1 minimum

R/W

0xFFF0

0x28

ISENSE0 minimum

R/W

0xFFF0

0x29

ISENSE1 minimum

R/W

0xFFF0

0x2A

ISENSE2 minimum

R/W

0xFFF0

0x2B

ISENSE3 minimum

R/W

0xFFF0

N/A means not applicable.

Not a physical register.

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

These 16-bit registers store the minimum ADC conversion

results for the relevant input channel. The default value of these

registers is 0xFFF0. 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) Minimum Registers

(Register 0x20 to Register 0x22)

These 16-bit registers store the minimum ADC conversion results

for the relevant temperature sensor channel. The default value

of these registers is 0xFFF0. 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 72. Temperature Sensor Minimum 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) Minimum Registers

(Register 0x28 to Register 0x2B)

These 16-bit registers store the minimum ADC conversion

results for the relevant current sensor channel. The default value

of these registers is 0xFFF0. 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 73. VINx and Current Sensor Minimum 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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