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UPD72042B Datasheet(PDF) 3 Page - NEC |
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UPD72042B Datasheet(HTML) 3 Page - NEC |
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3 / 92 page  µPD72042A, 72042B 3 DATA SHEET S13990EJ2V0DS00 BLOCK DIAGRAM BUS + BUS – XI XO CTR CMR TBF (33 bytes) STR FLG RBF (40 bytes) TEST RESET AVDD VDD GND IRQ SEL SO (NC) SI (SIO) SCK C/D CS Data link controller Oscillation control section Program crash detection section Internal bus Receiver Driver Filter P/S conversion section Contention detection section Parity generation section Parity detection section Synchronization control section Test circuit Timing generation section Frame data control section RDB (7 bytes) WDB (5 bytes) Remark The pin names in parentheses are used when two-wire serial I/O is selected. |
Similar Part No. - UPD72042B |
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Similar Description - UPD72042B |
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