EMC2101-R-ACZL-TR datasheet(29/56 Pages) MICROCHIP

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DS20006703A-page 29

EMC2101

5.9

One Shot Register

The One Shot Register initiates an update of the

temperature measurements. This register can be

written at any time, however will only perform a

one-shot conversion when the temperature monitoring

is in standby mode. When the one shot temperature

conversion is complete the temperature data registers

are updated and the fan setting is updated if necessary.

This register is self-clearing.

5.10

Scratchpad Registers

The Scratchpad Registers are R/W registers that

perform no function. They are included for software

compatibility.

5.11

Alert Mask Register

The Alert Mask Register enables interrupts from the

temperature monitors and limits. Regardless of the

condition of the individual mask bits, the Status

ONE SHOT REGISTER (ADDRESS 0Fh)

Address

R/W

Default

0Fh

One Shot Writing to this register initiates a one shot update of the temperature

data. Data is not relevant and is not stored.

00h

SCRATCHPAD REGISTERS (ADDRESSES 11h and 12h)

Address

R/W

Default

11h

R/W

Scratchpad

00h

12h

R/W

Scratchpad

00h

EXTERNAL DIODE THERM LIMIT REGISTER (ADDRESS 16h)

INT_MSK

HIGH_MSK

LOW_MSK

TCRIT_MSK

TCH_MSK

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 6

INT_MSK: Disables interrupts for the Internal Diode.

1 = The Internal Diode will not generate interrupts.

0 = (default) The Internal Diode will generate an interrupt if its measured temperature exceeds the

Internal Diode high limit.

bit 4

HIGH_MSK: Disables interrupts for the External Diode high limit.

1 = The External Diode will not generate an interrupt when the high limit is exceeded.

0 = (default) The External Diode will generate an interrupt if its measured temperature exceeds the

External Diode high limit.

bit 3

LOW_MSK: Disables interrupts for the External Diode low limit.

1 = The External Diode will not generate an interrupt when the temperature drops below the low limit.

0 = (default) The External Diode will generate an interrupt if its measured temperature drops below the

External Diode low limit.

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