UPD70741GC-25-8EU Просмотр технического описания (PDF) - NEC => Renesas Technology
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UPD70741GC-25-8EU Datasheet PDF : 112 Pages
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µPD70741
6. MEMORY ACCESS CONTROL FUNCTIONS .......................................................................... 32
6.1 DRAM Controller (DRAMC) ........................................................................................................... 32
6.1.1 Features .......................................................................................................................... 32
6.1.2 Address multiplexing function .................................................................................... 32
6.1.3 Refresh function ............................................................................................................ 33
6.1.4 Self-refresh function ...................................................................................................... 33
6.2 ROM Controller (ROMC) ................................................................................................................ 33
6.2.1 on-page/off-page decision ............................................................................................ 33
7. DMA FUNCTIONS (DMA CONTROLLER) ............................................................................... 35
7.1 Features .......................................................................................................................................... 35
8. SERIAL INTERFACE FUNCTION ............................................................................................. 37
8.1 Features .......................................................................................................................................... 37
8.2 Asynchronous Serial Interface (UART) ...................................................................................... 37
8.2.1 Features .......................................................................................................................... 37
8.3 Synchronous Serial Interface (CSI) ............................................................................................. 39
8.3.1 Features .......................................................................................................................... 39
8.4 Baud Rate Generator (BRG) ......................................................................................................... 40
8.4.1 Configuration and function .......................................................................................... 40
9. TIMER/COUNTER FUNCTIONS (REAL-TIME PULSE UNIT) ................................................. 41
9.1 Features .......................................................................................................................................... 41
10. WATCHDOG TIMER FUNCTIONS ............................................................................................ 43
10.1 Features .......................................................................................................................................... 43
10.2 Operation ........................................................................................................................................ 44
11. PORT FUNCTIONS .................................................................................................................... 45
11.1 Features .......................................................................................................................................... 45
12. CLOCK GENERATION FUNCTIONS ........................................................................................ 46
12.1 Features .......................................................................................................................................... 46
13. STANDBY FUNCTIONS ............................................................................................................. 47
13.1 Features .......................................................................................................................................... 47
13.2 Standby Mode ................................................................................................................................ 47
14. RESET FUNCTIONS .................................................................................................................. 49
14.1 Features .......................................................................................................................................... 49
14.2 Pin Functions ................................................................................................................................. 49
15. INSTRUCTION SET .................................................................................................................... 50
15.1 Instruction Format ......................................................................................................................... 50
15.2 Instruction Mnemonic (In Alphabetical Order) .......................................................................... 52
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