Data Sheet
ADT7310
Rev. A | Page 11 of 24
CT and INT Operation in One-Shot Mode
See Figure 15 for more information on one-shot CT pin
operation for T
CRIT
overtemperature events when one of the
limits is exceeded. Note that in interrupt mode, a read from
any register resets the INT and CT pins.
For the INT pin in the comparator mode, if the temperature
drops below the THIGH THYST value or goes above the TLOW +
THYST value, a write to the one-shot bits (Bit 5 and Bit 6 of the
configuration register, Register Address 0x01) resets the INT pin.
For the CT pin in the comparator mode, if the temperature
drops below the TCRIT THYST value, a write to the one-shot
bits (Bit 5 and Bit 6 of the configuration register, Register
Address 0x01) resets the CT pin; see Figure 15.
Note that when using one-shot mode, ensure that the refresh
rate is appropriate to the application being used.
TEMPERATURE
149癈
148癈
147癈
146癈
145癈
144癈
143癈
142癈
141癈
140癈
CT PIN
OLARITY = ACTIVE LOW
CT PIN
OLARITY = ACTIVE HIGH
T
CRIT
T
CRIT
T
HYST
TIME
THERE IS A 240ms DELAY BETWEEN WRITING TO THE CONFIGURATION REGISTER TO START
A STANDARD ONE-SHOT CONVERSION AND THE CT PIN GOING ACTIVE. THIS IS DUE TO THE
CONVERSION TIME. THE DELAY IS 60ms IN THE CASE OF A ONE-SHOT CONVERSION.
WRITE TO
BIT 5 AND BIT 6 OF
CONFIGURATION
REGISTER.*
WRITE TO
BIT 5 AND BIT 6 OF
CONFIGURATION
REGISTER.*
WRITE TO
BIT 5 AND BIT 6 OF
CONFIGURATION
REGISTER.*
Figure 15. One-Shot CT Pin
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