DIA1412

Version 1.0, Jul 2024

www.dioo.com

© 2024 DIOO MICROCIRCUITS CO., LTD.

15

12.Register Maps

The registers are accessible through the SMBus (or I2C). An entry of “Reserved” indicates that the bit is not used

and will always read “0”.

Addr. R/W

Register Name

Function Description

Default

Value

00h

R

Internal data high byte

Stores the integer data for the internal BJT

00h

01h

R

External channel data

high byte

Stores the integer data for external channel

00h

02h

R

Status

Stores the status bits for the internal BJT and external BJTs

00h

(or 80h)

03h

R/W

Configuration

Controls the general operation of the device

(mirrored at address 09h)

00h

04h

R/W

Conversion rate

Controls the conversion rate for updating temperature data

(mirrored at address 0Ah)

06h

(4/sec)

05h

R/W

Internal High Limit

Stores the 8-bit High Limit for the internal BJT

(mirrored at address 0Bh)

55h

(85°C)

06h

R/W

Internal Low Limit

Stores the 8-bit Low Limit for the internal BJT

(mirrored at address 0Ch)

00h

(0°C)

07h

R/W

External channel

High Limit high byte

Stores the integer data of the High Limit for external channel

(mirrored at register 0Dh)

55h

(85°C)

08h

R/W

External channel

Low Limit high byte

Stores the integer data of the Low Limit for external channel

(mirrored at register 0Eh)

00h

(0°C)

09h

R/W

Configuration

Controls the general operation of the device

(mirrored at address 03h)

00h

0Ah

R/W

Conversion rate

Controls the conversion rate for updating temperature data

(mirrored at address 04h)

06h

(4/sec)

0Bh

R/W

Internal High Limit

Stores the 8-bit High Limit for the internal BJT

(mirrored at address 05h)

55h

(85°C)

0Ch

R/W

Internal Low Limit

Stores the 8-bit Low Limit for the internal BJT

(mirrored at address 06h)

00h

(0°C)

0Dh

R/W

External channel

High Limit high byte

Stores the integer data of the High Limit for external channel

(mirrored at register 07h)

55h

(85°C)

0Eh

R/W

External channel

Low Limit high byte

Stores the integer data of the Low Limit for external channel

(mirrored at register 08h)

00h

(0°C)

0Fh

W

One shot

A write to this register initiates a one shot update.

00h

10h

R

External channel data

low byte

Stores the fractional data for external channel

00h

11h

R/W

Scratchpad

Scratchpad register for software compatibility

00h

12h

R/W

Scratchpad

Scratchpad register for software compatibility

00h