EMC2101-R-ACZL-TR datasheet(16/56 Pages) MICROCHIP

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EMC2101

DS20006703A-page 16

 2022 Microchip Technology Inc. and its subsidiaries

The external temperature diodes can be connected as

shown in Figure 4-4.

FIGURE 4-4:

External Diode Configurations.

4.5.1

TEMPERATURE MEASUREMENT

RESULTS AND DATA

The results of the internal and external temperature

measurements are stored in the internal and external

temperature registers respectively. These are then

compared with the values stored in the High Limit

Registers. The internal temperature measurements are

stored in 8-bit format while the external temperature

measurements are stored in 11-bit format.

The EMC2101 measures temperatures from -64°C to

+127°C represented as a binary two’s complement

number. Internal temperatures are in +1°C steps,

external temperatures are in +0.125°C steps.

Table 4-2 shows the temperature format for the

external diode and Table 4-3 shows the temperature

format for the internal diode.

TABLE 4-2:

EMC2101 EXTERNAL TEMPERATURE DATA FORMAT

Temperature (°C)

Digital Output (Binary)

≤ -64

1100 0000 000

-55

1100 1001 000

-1

1111 1111 000

-0.125

1111 1111 111

0000 0000 000

+0.125

0000 0000 001

0000 0001 000

+25

0001 1001 000

+125

0111 1101 000

≥ +127.875

0111 1111 110

Diode Fault (Open condition)

0111 1111 000

Diode Fault (Short condition)

0111 1111 111

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