Yamaha NX-A01 Service Manual
Also see for NX-A01 - Speaker Sys: Product bulletinOwner's manualOwner's manual
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NX-A019NX-A01IC501: μPD789022GB-A70-8ES-A (MAIN (2) P.C.B.)Microprocessor8-bit timerevent/counter 0078K/0SCPU coreROM4 KBRAM256 bytesPort 0Port 1Port 2Port 3Port 4Port 5P00 to P07P20 to P22P30 to P32P40 to P47P50 to P53RESETX1X2ICV DD0V DD1V SS0V SS1P10 to P17SerialInterface 00Interruptcontrol16-bit timer 20CPT2/INPUT2/P32SI0/RxD/P22KR0/P40-KR7/P47INTP0/P30-INTP2/CTP2/P32SO0/TxD/P21SCK0/ASCK/P20TI0/TO0/P50TO2/P51Watchdog timerSystemcontrol36 35 342233132P03P02P50/TI0/TO0P51/TO2P52P53RESETX1X2ICNCP12P0437383940414243442P113P104P47/KR7P46/KR6 5P45/KR5 6P44/KR4 7P43/KR3 8P42/KR2 9P41/KR1 10P40/KR0 1131 P0530 P0629 P0728 P20/ASCK/SCK0P21/TxD/SO0P22/RxD/SI0P32/INTP2/CPT2P31/INTP1P30/INTP027262524232120191815141312 1716P13P14P15P16P17VSS1VDD0VSS0VDD1NCP01P00 |
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