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UPD78044F Datasheet(PDF) 55 Page - NEC |
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UPD78044F Datasheet(HTML) 55 Page - NEC |
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55 / 472 page  55 Chapter 3 CPU Architecture User’s Manual U16504EE1V1UD00 3.1.1 Internal program memory space The internal program memory space stores programs and table data. This is generally accessed by the program counter (PC). The µPD780828A Subseries have various size of internal ROMs or Flash EPROM as shown below. The internal program memory is divided into three areas: vector table area, CALLT instruction table area, and CALLF instruction table area. These areas are described on the next page. Table 3-1: Internal ROM Capacities Part Number Internal ROM Type Capacity µPD780824A Mask ROM 32768 x 8-bits µPD780826A Mask ROM 49152 x 8-bits µPD780828A Mask ROM 61440 x 8-bits µPD78F0828A Flash EEPROM 60928 x 8-bits |
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