8051 माइक्रोकंट्रोलर में ______ रजिस्टर बैंक होते हैं।

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RRB JE ECE 22 Apr 2025 Shift 2 CBT 2 Official Paper
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  1. तीन
  2. चार
  3. छह
  4. दो

Answer (Detailed Solution Below)

Option 2 : चार
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8051 माइक्रोकंट्रोलर में होते हैं:

  • 4 रजिस्टर बैंक

  • प्रत्येक बैंक में 8 सामान्य-उद्देश्य रजिस्टर होते हैं: R0 से R7

  • इसलिए, कुल 32 रजिस्टर (4 बैंक × 8 रजिस्टर)

विवरण:

  • रजिस्टर बैंक आंतरिक RAM के निचले 32 बाइट्स (00H से 1FH) में स्थित हैं।

  • वर्तमान सक्रिय बैंक का चयन प्रोग्राम स्टेटस वर्ड (PSW) रजिस्टर में RS0 और RS1 बिट्स का उपयोग करके किया जाता है।

RS1 RS0 सक्रिय बैंक एड्रेस रेंज
0 0 बैंक 0 00H - 07H
0 1 बैंक 1 08H - 0FH
1 0 बैंक 2 10H - 17H
1 1 बैंक 3 18H - 1FH
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