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| 型号： | DS1780E+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 20/28页 |
| 文件大小： | 0K |
| 描述： | IC CPU PERIPHERAL MON 24-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 功能： | 温度监控器，CPU 外围设备 |
| 传感器类型： | 内部 |
| 感应温度： | -40°C ~ 125°C |
| 精确度： | ±12°C（最小值） |
| 拓扑： | ADC（三角积分型），比较器，风扇速度控制，寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 无 |
| 输出风扇： | 是 |
| 电源电压： | 2.8 V ~ 5.75 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 24-TSSOP |
| 包装： | 带卷 (TR) |
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DS1780
TEMPERATURE CONFIGURATION REGISTER (ADDRESS Ox4B; POWER-UP
DEFAULT = 01h) Table 10.12
BIT
NAME
R/W
DESCRIPTION
If Bits 0 and Bits 1 of this register are both 0 or both 1, this selects the default interrupt
mode which gives the user an interrupt if the temperature goes above the hot limit. The
interrupt will be cleared once the status register is read, but it will again be generated when
the next conversion has completed. It will continue to do so until the temperature goes
Hot
Temperature
below the hysteresis limit.
0
Interrupt
mode select
Bit 0
R/W
A 0 on Bit 1 and a 1 on Bit 0 selects the one-time interrupt mode which gives the user an
indefinite interrupt when it goes above the hot limit. The interrupt will be cleared once the
status register is read. Another interrupt will not be generated until the temperature first goes
below the hysteresis limit. It will also be cleared if the status register is read. No more
interrupts will be generated until the temperature goes above the hot limit again. The
corresponding bit will be cleared in the status register every time it is read but may not set
again when the next conversion is done.
1
2-6
7
Hot
Temperature
Interrupt
mode select
Bit 1
Reserved
Temp [0]
R/W
R/W
R
A 1 on this bit (Bit 1) and a 0 on Bit 0 selects the comparator mode. This gives an SMI
when the temperature exceeds the hot limit. This SMI remains active until the status register
is read or the temperature goes below the hot limit (no hysteresis), when the SMI will
become inactive.
Default = 00000.
Ninth bit of the temperature (Value = 0.5°C).
TEST REGISTER (ADDRESS 0x15h; POWER-UP DEFAULT = 00h)
Table 10.13
ADDRESS <A7:0A>h
15h
R/W
Note 3
DESCRIPTION
Power-up Default = 00h
ANALOG OUTPUT (ADDRESS 0x19h; POWER-UP DEFAULT = FFh)
Table 10.14
ADDRESS <A7:0A>h
19h
R/W
R/W
DESCRIPTION
Power-up Default = FFh. No other reset affects this register. FFh
value set analog out to MAX value = 1.25V.
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| DS17885-3 | 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS17885-3+ | 功能描述:实时时钟 3V/5V RTC RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS17885-5 | 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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