MIC384 Datasheet, PDF (13/21 Pages) Micrel Semiconductor – Three-Zone Thermal Supervisor Advance Information

MIC384
Micrel
Event
Condition*
MIC284 response**
high temperature, local
TEMP0 > T_SET0
set S0 in CONFIG, assert /INT
high temperature,
remote zone 1
TEMP1 > T_SET1
set S1 in CONFIG, assert /INT
high temperature,
remote zone 2
TEMP1 > T_SET2
set S2 in CONFIG, assert /INT
low temperature, local
TEMP0 < T_HYST0
set S0 in CONFIG, assert /INT
low temperature,
remote zone 1
TEMP1 < T_HYST1
set S1 in CONFIG, assert /INT
low temperature,
remote zone 2
TEMP1 < T_HYST2
set S2 in CONFIG, assert /INT
diode fault
T1 or T2 open or shorted to VDD or
GND
set CRIT and S1 and/or S2 in CONFIG,
assert /INT and /CRIT***
* Condition must be true for FAULT_QUEUE conversion to be recognized
** Assumes interrupts are enabled
*** Assumes that T_SET1 and T_SET2 are set to any value less then +127° C = 7f_h = 0111 1111_b
Table 5. MIC384 Temperature Events
September 2000
13
MIC384