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UPD70741 датащи(PDF) 21 Page - NEC |
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UPD70741 датащи(HTML) 21 Page - NEC |
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21 / 112 page ![]() µPD70741 21 Table 3-3. Built-in Peripheral I/O Registers (1/2) Address Function register name Abbreviation Manipulatable bits Initial value 8-bits 16-bits C0000010 Port mode control register 0 PMC0 o 0000H C0000012 Port mode register 0 PM0 o 03FFH C0000014 Port register 0 P0 o Not defined C0000020 Bus cycle type control register BCTC o 01H C0000022 Programmable wait control register 0 PWC0 o 77H C0000024 Programmable wait control register 1 PWC1 o 77H C0000026 Programmable wait control register 2 PWC2 o 77H C0000028 DRAM configuration register DRC o 81H C000002A Refresh control register RFC o 80H C000002C Page-ROM configuration register PRC o 80H C0000040 DMA source address register 0H DSA0H o Not defined C0000042 DMA source address register 0L DSA0L o Not defined C0000044 DMA destination address register 0H DDA0H o Not defined C0000046 DMA destination address register 0L DDA0L o Not defined C0000048 DMA source address register 1H DSA1H o Not defined C000004A DMA source address register 1L DSA1L o Not defined C000004C DMA destination address register 1H DDA1H o Not defined C000004E DMA destination address register 1L DDA1L o Not defined C0000050 DMA byte count register 0 DBC0 o Not defined C0000052 DMA byte count register 1 DBC1 o Not defined C0000054 DMA channel control register 0 DCHC0 o 0000H C0000056 DMA channel control register 1 DCHC1 o 0000H C0000060 Timer unit mode register 0 TUM0 o 0A00H C0000062 Timer control register 0 TMC0 o 00H C0000064 Timer control register 1 TMC1 o 00H C0000066 Timer output control register 0 TOC0 o 03H C0000068 Timer overflow status register TOVS o 00H C0000070 Timer register 0 TM0 o 0000H C0000072 Capture/compare register 00 CC00 o Not defined C0000074 Capture/compare register 01 CC01 o Not defined C0000076 Capture/compare register 02 CC02 o Not defined C0000078 Capture/compare register 03 CC03 o Not defined C000007C Timer register 1 TM1 o 0000H C000007E Compare register 1 CM1 o Not defined C0000080 Asynchronous serial interface mode register ASIM o 00H C0000082 Asynchronous serial interface status register ASIS o 00H |
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