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参数资料
| 型号： | MON35W42 |
| 厂商： | STANDARD MICROSYSTEMS CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | Hardware Monitoring IC with Thermal Diode Interface |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PQFP48 |
| 封装： | TQFP-48 |
| 文件页数： | 15/60页 |
| 文件大小： | 213K |
| 代理商： | MON35W42 |
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Temperature sensor 1 nSMI interrupt modes:
(1) Comparator Interrupt Mode
Setting the THYST (Temperature Hysteresis) limit to 127°C will set temperature sensor 1 nSMI to the
Comparator Interrupt Mode. Temperatures which exceed TO (Over Temperature) Limit cause an
interrupt. This interrupt is reset by reading the Interrupt Status Register. Once an interrupt event has
occurred by exceeding TO, and then reset, if the temperature remains above the TO, the interrupt will
occur again when the next conversion has completed. If an interrupt event has occurred by exceeding
TO and is not reset, the interrupts will not occur again. The interrupts will continue to occur in this
manner until the temperature goes below TO. (Figure 16-1)
(2) Two-Times Interrupt Mode
Setting the THYST lower than TO will set temperature sensor 1 nSMI to the Two-Times Interrupt Mode.
The Temperature exceeding TO causes an interrupt and then the temperature going below THYST also
causes an interrupt if the previous interrupt has been reset by reading the interrupt Status Register.
Once an interrupt event has occurred by exceeding TO, then reset, if the temperature remains above
the THYST , additional interrupts will not occur. (Figure 15-2)
TOI
*
FIGURE 15-1 - COMPARATOR INTERRUPT MODE
*Interrupt Reset when Interrupt Status Registers are read
TOI
THYST
FIGURE 15-2 - TWO-TIMES INTERRUPT MODE
nSMI
*
THYST
127'C
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