EXPLANATION OF MICROCOMPUTER
IC801 (HD6417706)1/3
Pin | Signal | I/O | Function | |||
1 | LLVcc | PWR | +1.9V | |||
2 | XTAL2 | O | NC | |||
3 | EXTAL2 | I | ||||
4 | GND | PWR | 0V | |||
5 | SD31 |
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| I/O | Data bus | |
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10 | SD26 | |||||
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11 | GND | PWR | 0V | |||
12 | SD25 | I/O | Data bus | |||
13 | LVcc | PWR | +3.3V | |||
14 | SD24 |
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| I/O | Data bus | |
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18 | SD20 |
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19 | GND | PWR | 0V | |||
20 | SD19 | I/O | Data bus | |||
21 | LLVcc | PWR | +1.9V | |||
22 | SD18 |
| Data bus | |||
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| I/O | ||
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24 | SD16 |
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25 | GND | PWR | 0V | |||
26 | SD15 | I/O | Data bus | |||
27 | LVcc | PWR | +3.3V | |||
28 | SD14 |
| Data bus | |||
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| I/O | ||
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36 | SD6 |
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37 | GND | PWR | 0V | |||
38 | SD5 | I/O | Data bus | |||
39 | LVcc | PWR | +3.3V | |||
40 | SD4 |
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| I/O | Data bus | |
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44 | SD0 |
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45 | SA0 |
| Address bus | |||
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| O | ||
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48 | SA3 |
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49 | GND | PWR | 0V | |||
50 | SA4 | O | Address bus | |||
51 | LVcc | PWR | +3.3V | |||
52 | SA5 |
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| O | Address bus | |
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60 | SA13 |
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61 | GND | PWR | 0V | |||
62 | SA14 | O | Address bus | |||
63 | LVcc | PWR | +3.3V | |||
64 | SA15 |
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| O | Address bus | |
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70 | SA21 |
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71 | GND | PWR | 0V | |||
72 | SA22 | O | Address bus | |||
73 | LVcc | PWR | +3.3V | |||
74 | SA23 |
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| O | Address bus | |
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76 | SA25 |
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