Hitachi HD64180
8-Bit High Integration CMOS Microprocessor User Manual
DESCRIPTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.2 CPU Bus Timing ................................................ 13 2.3 WAIT State Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 20 2.4 HALT and Low Power Operation Modes. . . . . . . . .. . . . .. . . . . . . . . . . .. 23 2.5 Internal I/O Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 26 2.6 Memory Management Unit (MMU) ............................... 30 2.7 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 36 2.8 Dynamic RAM Refresh Control ................................... 51 2.9 DMA Controller (DMAC) ....................................... 54 2.10 Asynchronous Serial Communication Interface (ASCI) .............. 68 2.11 Clocked Serial I/O Port (CSIIO) ................................... 78 2.12 Programmable Reload Timer (PRT) ...............................