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參數(shù)資料
| 型號(hào)： | DS80CH11 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Microcontroller |
| 英文描述： | 8-BIT, MICROCONTROLLER, PQFP128 |
| 封裝： | TQFP-128 |
| 文件頁(yè)數(shù)： | 5/88頁(yè) |
| 文件大?。?/td> | 598K |
| 代理商： | DS80CH11 |
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DS80CH11
011200 13/88
PIN
SYMBOL
DESCRIPTION
18
85
120
VCC
Digital Power Supply Input: For microcontroller and associated functions.
101
VPFW
Power Fail Warning: Output, active low. The VPFW pin signals an impending power
failure when VCC drops below VPFW voltage threshold.
44
VRH
A/D Positive Voltage Reference: The VRH pin is the positive reference (upper voltage
limit) of the A/D Converter.
45
VRL
A/D Negative Voltage Reference: The VRL pin is the negative reference (lower volt-
age limit) of the A/D Converter.
102
VRST
Power Fail Reset: Output, active low. The VRST pin signals a “power not good” condi-
tion to the system when system VCC has dropped below the VRST voltage threshold.
118
119
XTAL1
XTAL2
C Crystal Oscillator Inputs. XTAL1 and XTAL2 provide support for parallel resonant,
AT cut crystals. XTAL1 acts also as an input if there is an external clock source in place
of a crystal. XTAL2 serves as the output of the crystal amplifier.
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相關(guān)代理商/技術(shù)參數(shù) |
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