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| Pin |
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| ROM |
| RAM |
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| count |
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| 100 |
| UART (1ch.), |
| MB90230 |
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| Mass |
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| 48 KB |
| 2 KB |
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| MB90233 | |
Family |
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| SIO (1ch.), |
| series |
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| production |
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Real Time |
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| A/D converter |
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Control |
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| 96 KB |
| 3 KB |
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| MB90234 | |
Products |
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| D/A converter |
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| Equivalent device |
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| PWM timer |
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| OTPROM |
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| 96 KB |
| 3 KB |
| MB90233 |
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| MB90P234 | |
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| PPG timer |
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| EPROM |
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| 96 KB |
| 3 KB |
| MB90233 |
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| MB90W234 | |
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| timer |
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| Evaluation target device | ||||||
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| input capture |
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| (4ch.), |
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| Evaluation |
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| 4 KB |
| MB90230 |
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| MB90V230 |
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| output compare |
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| device |
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| series |
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| (6ch.), |
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| serial E2PROM |
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| interface (1ch.), |
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| level comparator |
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| external inter- |
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| rupts (4ch.) |
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148