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參數(shù)資料
| 型號(hào)： | W83772G |
| 廠商： | Nuvoton Technology Corporation of America |
| 文件頁數(shù)： | 7/16頁 |
| 文件大小： | 219K |
| 描述： | IC H/W MONITOR 8-TSSOP |
| 標(biāo)準(zhǔn)包裝： | 80 |
| 功能： | 硬件監(jiān)控器 |
| 傳感器類型： | 內(nèi)部和外部 |
| 感應(yīng)溫度： | 0°C ~ 70°C，外部傳感器 |
| 精確度： | ±3°C |
| 拓?fù)洌?/td> | ADC，寄存器庫(kù) |
| 輸出類型： | Simple Serial Transport?（SST） |
| 輸出警報(bào)： | 無 |
| 輸出風(fēng)扇： | 無 |
| 電源電壓： | 2.97 V ~ 3.63 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-TSSOP |
| 包裝： | 管件 |
W83772G
7. FUNCTIONAL DESCRIPTION
7.1 General Description
The W83772G provides one remote temperature sensor input which could be connected to 2N3904
transistors, or CPU/GPU thermal diode, and one local on-die thermal sensor to detect ambient
temperature.
The data format of monitored temperature is 16-bit 2s complement with 1-wire SST
access interface.
7.2 Access Interface
The W83772G provides SST interface to read/write internal registers, and the SST address is
xxxxxxxxb, respectively. Please refer to 7.7 Address Selection.
7.3 Power-On Reset
The power-on reset threshold is 2.7V (typical). When Vcc crosses this threshold, the internal reset
signal will be asserted for 4mS. During this time period, W83772G is in the reset state. When the
internal reset signal is de-asserted, W83772G is in the operating state.
In the operating state, if Vcc drops below 2.4V and then rises above 2.7, the internal reset signal will
be asserted immediately. Fig 1 illustrates the reset mechanism.
.
Figure 1.
0
2.4V
2.7V
3.3V
VCC
Internal Reset Signal
4ms
4ms
2.7V
3.3V
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