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參數(shù)資料
| 型號： | ADC0801 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 串行ADC |
| 英文描述： | 8-Bit uP Compatible A/D Converters |
| 中文描述： | 8位的兼容的A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 37/41頁 |
| 文件大小： | 1118K |
| 代理商： | ADC0801 |
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Functional Description
(Continued)
5.3 Multiple A/D Converters in a Z-80 Interrupt Driven
Mode (Continued)
The following notes apply:
It is assumed that the CPU automatically performs a RST
7 instruction when a valid interrupt is acknowledged
(CPU is in interrupt mode 1). Hence, the subroutine start-
ing address of X0038.
The address bus from the Z-80 and the data bus to the
Z-80 are assumed to be inverted by bus drivers.
A/D data and identifying words will be stored in sequen-
tial memory locations starting at the arbitrarily chosen ad-
dress X 3E00.
The stack pointer must be dimensioned in the main pro-
gram as the RST 7 instruction automatically pushes the
PC onto the stack and the subroutine uses an additional
6 stack addresses.
The peripherals of concern are mapped into I/O space
with the following port assignments:
DS005671-A5
Note 29:
All numerical values are hexadecimal representations.
FIGURE 21. Software for Auto-Zeroed Differential A/D
A
www.national.com
37
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| ADC0801_1 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Bit μP Compatible A/D Converters |
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| ADC0801LCJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Bit uP Compatible A/D Converters |
| ADC0801LCJ/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 8-Bit |
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