AMC7812SPAPR datasheet(62/92 Pages) TI

62 / 92 page

AMC7812

SBAS513E – JANUARY 2011 – REVISED SEPTEMBER 2013

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TEMPERATURE CONVERSION RATE REGISTER (Read/Write, Address = 0Bh)

When using the SPI, the following bit configuration must be used; default = 0007h.

MSB

LSB

BIT 15

BIT 14

BIT 13

BIT 12

BIT 11

BIT 10

BIT 9

BIT 8

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

When using the I2C interface, the following bit configuration must be used; default = 07FFh.

MSB

LSB

BIT 15

BIT 14

BIT 13

BIT 12

BIT 11

BIT 10

BIT 9

BIT 8

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

The bit descriptions are shown in Table 12.

Table 12. Temperature Conversion Time

CONVERSION TIME

128x minimum

64x minimum

32x minimum

16x minimum

8x minimum

4x minimum

2x minimum

Minimum cycle time

Table 13. Temperature Monitoring Cycle Time

MONITORING

TEMPERATURE SENSOR STATUS

CYCLE TIME

Local sensor is active, remote sensors are disabled or in power-down.

15ms

One remote sensor is active and RC = '0', local sensor and one remote sensor are disabled or in power-down.

44ms

One remote sensor is active and RC = '1', local sensor and one remote sensor are disabled or in power-down.

93ms

One remote sensor and local sensor are active and RC = '0', one remote sensor is disabled or in power-down.

59ms

One remote sensor and local sensor are active and RC = '1', one remote sensor is disabled or in power-down.

108ms

Two remote sensors are active and RC = '0', local sensor is disabled or in power-down.

88ms

Two remote sensors are active and RC = '1', local sensor is disabled or in power-down.

186ms

All sensors are active and RC = '0'.

103ms

All sensors are active and RC = '1'.

201ms

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