| Part Number | VRS51X580 |
| Manufacturer | Ramtron |
| Title | (VRS51X570 / VRS51X580) Versa 8051 MCUs |
| Description | for QFP-44 T ABLE 1: PIN DESCRIPTIONS FOR QFP-44/ QFP - 44 QFP - 44 Function Name I/O Function Name I/O 24 25 26 27 28 29 30 31 32 33 34 ... |
| Features |
These devices also include a fifth, 4-bit, I/O port mapped into the “no connect” pins of the standard 8051/52 package. This provides a total of 36 I/Os while maintaining compatibility with standard 80C51/52 pin outs. The VRS51x570 and VRS51x580 are ...
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| Datasheet |
 VRS51X580 Datasheet
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