MCP9808 MICROCHIP [Microchip Technology], MCP9808 Datasheet - Page 31

• Manufacturer Part Number: MCP9808
• Manufacturer: MICROCHIP [Microchip Technology]

5.2.3.2
In Interrupt mode, the Alert output is asserted as active-
high or active-low (depending
configuration) when T
and T
bit 5 (Interrupt Clear bit) of CONFIG. Shutting down the
device will not reset or deassert the Alert output. This
mode can not be selected when the Alert output is used
as a critical temperature output only, using bit 2 of
CONFIG.
This
microcontroller-based systems. The microcontroller
receiving the interrupt will have to Acknowledge the
interrupt by setting bit 5 of the CONFIG register from the
MCP9808.
© 2011 Microchip Technology Inc.
LOWER
mode
limits. The output is deasserted by setting
Interrupt Mode
is
designed
A
drifts above or below T
for
on
interrupt
the
polarity
UPPER
driven
5.2.4
The MCP9808 is capable of providing temperature
data with +0.5°C to +0.0625°C resolution. The resolu-
tion can be selected using the Resolution register
(Register
and it provides measurement flexibility. A +0.0625°C
resolution is set as a POR default by the factory.
TABLE 5-2:
(Power-up Default)
Resolution
+0.0625°C
+0.125°C
+0.25°C
+0.5°C
5-7). It is located at address, ‘00001000’b,
TEMPERATURE RESOLUTION
TEMPERATURE
CONVERSION TIME
t
(ms)
CONV
130
250
65
30
MCP9808
DS25095A-page 31
Samples/sec
(typical)
33
15
7
4