Datasheet Details
| Part number | UPD7520 |
|---|---|
| Manufacturer | NEC |
| File Size | 579.25 KB |
| Description | 4-BIT SINGLE CHIP MICROCOMPUTER |
| Datasheet |
 UPD7520-NEC.pdf
|
| Part number | UPD7520 |
|---|---|
| Manufacturer | NEC |
| File Size | 579.25 KB |
| Description | 4-BIT SINGLE CHIP MICROCOMPUTER |
| Datasheet |
UPD7520-NEC.pdf
|
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 incremented or decremented_ RAM The IlPD7520 has a static 48 x 4 bit RAM organized into 3 rows by 16 columns_ The RAM is used for general purpose data storage or data transfers, and is also used to stor
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