8051 माइक्रोकंट्रोलर में _____ I/O पिन होते हैं।

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RRB JE ECE 22 Apr 2025 Shift 1 CBT 2 Official Paper
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  1. 24
  2. 40
  3. 26
  4. 32

Answer (Detailed Solution Below)

Option 4 : 32
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8051 माइक्रोकंट्रोलर में होते हैं:

  • 4 समानांतर I/O पोर्ट: पोर्ट 0, पोर्ट 1, पोर्ट 2, और पोर्ट 3

  • प्रत्येक पोर्ट में 8 पिन होते हैं

इसलिए, कुल I/O पिन = 4 x 8 = 32

🔍 पोर्ट विवरण:

पोर्ट कार्य पिनों की संख्या
P0 बहुसंकेतक I/O/पता 8
P1 सामान्य प्रयोजन I/O 8
P2 I/O/उच्च पता बाइट 8
P3 I/O/विशेष कार्य 8
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