EMC2101-R-ACZL-TR datasheet(39/56 Pages) MICROCHIP

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DS20006703A-page 39

EMC2101

5.23

Averaging Filter Register

The Averaging Filter Register controls the level of

digital averaging that is used for the External Diode

temperature

measurements

well

the

configuration of the ALERT/TACH pin functionality.

5.24

Product ID Register

The Product ID Register contains a unique 8-bit word

that identifies the product.

AVERAGING FILTER REGISTER (ADDRESS BFh)

U-0

—

FILTER[1:0]

ALERT_COMP

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as 0

-n = Value at POR

‘1’ = bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-3

Unimplemented: Read as ‘0’

bit 2-1

FILTER: Controls the level of digital filtering that is applied to the External Diode temperature

measurements as shown in Table 5-9. See Figure 4-5 and Figure 4-6 for examples on the filter behavior.

bit 0

ALERT_COMP: Determines the functionality of the ALERT/TACH pin.

1 = The ALERT/TACH pin is configured to operate as a temperature comparator (see Section 4.4.2

“ALERT/TACH as an Interrupt”).

0 = The ALERT/TACH pin is configured to act as an interrupt (see Section 4.4.1 “ALERT/TACH as a

Temperature Comparator”).

TABLE 5-9:

AVERAGING SETTINGS

FILTER[1:0]

Averaging

Disabled (default)

Level 1

Level 2

PRODUCT ID REGISTER (ADDRESS FDh)

Address

R/W

B7B6B5B4

B3B2B1B0

Default

FDh

Product ID

00010110

16h

(EMC2101)

00101000

28h

(EMC2101-R)

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