2.0 LM83 REGISTERS

2.1 COMMAND REGISTER

Selects which registers will be read from or written to. Data for this register should be transmitted during the Command Byte of

the SMBus write communication.

P7

P6

P5

P4

P3

P2

P1

P0

0

Command Select

P0-P7: Command Select

Command Se-

lect Address

Power On Default State

Register Name

Register Function

mal

00h

0000 0000

0

RLT

Read Local Temperature

01h

0000 0000

0

RD2RT

Read D2 Remote

Temperature

02h

0000 0000

0

RSR1

Read Status Register 1

03h

0000 0000

0

RC

Read Configuration

04h

0000 0000

0

Reserved

05h

0111 1111

127

RLHS

Read Local HIGH Setpoint

06h

Reserved

07h

0111 1111

127

RD2RHS

Read D2 Remote HIGH

Setpoint

08h

Reserved

09h

0000 0000

WC

Write Configuration

0Ah

Reserved

0Bh

0111 1111

127

WD2LHS

Write Local HIGH Setpoint

0Ch

Reserved

0Dh

0111 1111

127

WD2RHS

Write D2 Remote HIGH

Setpoint

0Eh-2Fh

Reserved for Future Use

30h

0000 0000

0

RD1RT

Read D1 Remote

Temperature

31h

0000 0000

0

RD3RT

Read D3 Remote

Temperature

32h-34h

Reserved for Future Use

35h

0000 0000

0

RSR2

Read Status Register 2

36h-37h

Reserved for Future Use

38h

0111 1111

127

RD1RHS

Read D1 Remote HIGH

Setpoint

39h

Reserved for Future Use

3Ah

0111 1111

127

RD3RHS

Read D3 Remote HIGH

Setpoint

3Bh-41h

Reserved for Future Use

42h

0111 1111

127

RTCS

Read T_CRIT Setpoint

43h-4Fh

Reserved for Future Use

50h

0111 1111

127

WD1RHS

Write D1 Remote HIGH

Setpoint

51h

Reserved for Future Use

52h

0111 1111

127

WD3RHS

Write D3 Remote HIGH

Setpoint

53h-59h

Reserved for Future Use

5Ah

0111 1111

127

WTCS

Write T_CRIT Setpoint

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