LTC2959

11

Rev. 0

For more information www.analog.com

REGISTER MAP

REGISTER

NAME

LETTER

BITS

R/W

DEFAULT

DATA TYPE

23h

Temperature MSB

AJ

AJ7:AJ0

R

00h

Unsigned

24h

Temperature LSB

AK

AK7:AK0

R

00h

Unsigned

25h

Temperature Threshold High MSB

AL

AL7:AL0

R/W

FFh

Unsigned

26h

Temperature Threshold High LSBs

AM

AM7:AM0

R/W

FFh

Unsigned

27h

Temperature Threshold Low MSB

AN

AN7:AN0

R/W

00h

Unsigned

28h

Temperature Threshold Low LSBs

AO

AO7: AO0

R/W

00h

Unsigned

29h

GPIO Voltage MSB

AP

AP7:AP0

R

00h

Signed

2Ah

GPIO Voltage LSB

AQ

AQ7:AQ0

R

00h

Signed

2Bh

GPIO Threshold High MSB

AR

AR7:AR0

R/W

7Fh

Signed

2Ch

GPIO Threshold High LSB

AS

AS7:AS0

R/W

FFh

Signed

2Dh

GPIO Threshold Low MSB

AT

AT7:AT0

R/W

80h

Signed

2Eh

GPIO Threshold Low LSB

AU

AU7:AU0

R/W

00h

Signed

Status (A) 8-bit

Table: STATUS Register (00h) (Read-Only – Clear on Read)

BIT

NAME

OPERATION

DEFAULT

A7

GPIO Alert

Indicates one of the GPIO limits has been exceeded.

0

A6

Current Alert

Indicates one of the current limits was exceeded.

0

A5

Charge Overflow/Underflow

Indicates that the value of the ACR has hit either top or bottom.

0

A4

Temperature Alert

Indicates one of the temperature limits was exceeded.

0

A3

Charge Alert High

Indicates the upper charge limit was exceeded.

0

A2

Charge Alert Low

Indicates the lower charge limit was exceeded.

0

A1

Voltage Alert

Indicates one of the voltage limits was exceeded.

0

A0

UVLO Alert

Indicates recovery from power bad. If equal to 1, an UVLO has occurred and the content

of registers is uncertain.

1