Hitachi HD64180
8-Bit High Integration CMOS Microprocessor Data Book
DESCRIPTION
. . . . . .... . . . . . . . . . . . . . .. .. . . . .. . .. . . . . . . . . . . . . . . 7 2.2 CPU Bus Timing ................................................ 12 2.3 WAIT State Generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 18 2.4 HALT, SLEEP and Low Power Operation .......................... 21 2.5 1/0 and Control Registers ....................................... , 24 2.6 Memory Management Unit (MMU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 27 2.7 Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 34 2.8 Dynamic RAM Refresh Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 48 2.9 DMA Controller (DMAC) ....................................... 51 2.10 Asynchronous Serial Communication Interface (ASCI) ....... . . . . . .. 64 2.11 Clocked Serial 1/0 Port (CSIIO) ................................... 74 2.12 Programmable Reload Timer (PRT) ...............................