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UPD7520 - 4-BIT SINGLE CHIP MICROCOMPUTER

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Part number UPD7520
Manufacturer NEC
File Size 579.25 KB
Description 4-BIT SINGLE CHIP MICROCOMPUTER
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Data Pointer Registers The 2-bit H register and 4-bit L register are two registers which reside externally to the 48 x 4 bit RAM _They function as the Data Pointer, addressing the rows and columns of the RAM, respectively _They are individually accessible, and the L register can be automatically in
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