TMP512 datasheet(37/62 Pages) TI2

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TMP512

TMP513

www.ti.com

SBOS491A

– JUNE 2010 – REVISED MAY 2011

Status Register 02h (Read)

BIT #

D15

D14

D13

D12

D11

D10

BIT

SHP

SHN

BVP

BVN

PWR

LCL

RM1

RM2

RM3

CVR

CRT

PVLD

SMBA

OVF

—

NAME

POR

VALUE

The Status Register flags activate whenever any limit is violated, and latch if the alert is in latch mode. In latch

mode, these flags are cleared when the Status Register is read (if the limit is exceeded, then at next conversion

end, the flag sets again). In transparent mode, these flags are cleared when any corresponding limit is not

violated any longer.

After power-up and initial setup, the Status Register should be read once to clear any flags set as a result of

power-up values prior to setup.

Bit Descriptions

SHP:

Shunt Positive Over-Voltage

Bit 15

This bit is set to '1' when the result in the Shunt Voltage Register (04h) exceeds the level set in the Shunt Positive

Limit Register (0Ch).

SHN:

Shunt Negative Under-Voltage

Bit 14

This bit is set to '1' when the result in the Shunt Voltage Register (04h) goes below the level set in the Shunt

Negative Limit Register (0Dh).

BVP:

Bus Positive Over-Voltage

Bit 13

This bit is set to '1' when the result in the Bus Voltage Register (05h) exceeds the level set in the Bus Voltage

Positive Limit Register (0Eh).

BVN:

Bus Negative Under-Voltage

Bit 12

This bit is set to '1' when the result in the Bus Voltage Register (05h) goes below the level set in the Bus Voltage

Negative Limit Register (0Fh).

PWR:

Power Over

–Limit

Bit 11

This bit is set to '1' when the result in the Power Register (06h) exceeds the level set in the Power Limit Register

(10h).

LCL:

Local Temperature Over-Limit

Bit 10

This bit is set to '1' when the result in the Local Temperature Result Register (08h) exceeds the level set in the

Local Temperature Limit Register (11h) plus half of the temperature hysteresis. It clears in transparent mode when

the result in the Local Temperature Result Register (08h) is below the level set in the Local Temperature Limit

RM1:

Remote Temperature 1 Over-Limit

Bit 9

This bit is set to '1' when the result in the Remote Temperature Result 1 Register (09h) exceeds the level set in the

Remote Temperature Limit 1 Register (12h) plus half of the temperature hysteresis. It also sets if, during conversion

of remote channel 1, an open diode condition was detected. It clears in transparent mode when the result in the

Remote Temperature Result 1 Register (09h) is below the level set in the Remote Temperature Limit 1 Register

(12h) minus half of the temperature hysteresis, and the last conversion of channel 1 was done without open-diode

detection.

RM2:

Remote Temperature 2 Over-Limit

Bit 8

This bit is set to '1' when the result in the Remote Temperature Result 2 Register (0Ah) exceeds the level set in the

Remote Temperature Limit 2 Register (13h) plus half of the temperature hysteresis. It also sets if, during conversion

of remote channel 2, an open diode condition was detected. It clears in transparent mode when the result in the

Remote Temperature Result 2 Register (0Ah) is below the level set in the Remote Temperature Limit 2 Register

(13h) minus half of the temperature hysteresis, and the last conversion of channel 2 was done without open-diode

detection.

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