Datasheet Details
| Part number | M80C51FB |
|---|---|
| Manufacturer | Intel |
| File Size | 184.25 KB |
| Description | CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER |
| Datasheet |
 M80C51FB_IntelCorporation.pdf
|
| Part number | M80C51FB |
|---|---|
| Manufacturer | Intel |
| File Size | 184.25 KB |
| Description | CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER |
| Datasheet |
M80C51FB_IntelCorporation.pdf
|
VCC Supply voltage VSS Circuit ground Port 2 Port 2 is an 8-bit bidirectional I O port with internal pullups The Port 2 output buffers can drive LS TTL inputs Port 2 pins that have 1’s written to them are pulled high by the internal pullups and in that state can be used as inputs As inputs Port 2 pins that are externally being pulled low will source current (IIL on the data sheet) because of the internal pullups 3 M80C51FB Port 2 emits the high-order address byte during fetches from external
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