AS1163 datasheet(69/91 Pages) AMSOSRAM

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AS1163

Command and register description

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7.13.2

READTEMPSTAT (0x42)

Read registers from addressed devices:

•

Status

•

Temperature

Table 25: READTEMPSTAT register

Addr: 0x42

READTEMPSTAT

Bit

Bit name

Default

Access

Bit description

15:14

STATE[1:0]

0x0

“00” initialized

“01” sleep

“10” active

“11” deep sleep

TEST_FLAG

0x0

When this flag is set, a device is either in TEST mode or

OTP CRC1 is wrong (= OTP error)

OV_FLAG

0x0

Will be set when device detected an overvoltage condition.

Will be automatically cleared after readout and set again if

error still exists (Sticky flag).

CE_FLAG

0x0

When set, device detected an error in a received telegram,

either CRC error (when enabled in “SETUP” register) or

length error or other error at protocol or data link layer.

Telegrams are always checked, no matter is a device had

been addressed by a telegram or not. Will be automatically

cleared after readout and set again if error still exists

(Sticky flag).

LOS_FLAG

0x0

Will be “1” when in any of the LED channels either a short

or open defect has been detected. Will be automatically

cleared after readout and set again if error still exists

(Sticky flag).

OT_FLAG

0x0

Will be set when device detected overtemperature

condition. Will be automatically cleared after readout and

set again if error still exists (Sticky flag).

UV_FLAG

0x0

Will be set when device detected an undervoltage

condition. Will be automatically cleared after readout and

set again if error still exists (Sticky flag).

7:0

TEMPVALUE[7:0]

0x0

8-bit value of the temperature sensor (see Chapter 6.4.1.2

for format)

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