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Atmel
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| Part No. |
AT89C51
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| OCR Text |
... until the next hardware reset. pullups and can be used as inputs. As inputs, Port 3 pins that are externally being pulled low will source current (IIL) because of the pullups. Port 3 also serves the functions of various special features of... |
| Description |
8-Bit Microcontroller with 4K Bytes FLASH
From old datasheet system
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| File Size |
142.47K /
15 Page |
 View
it Online |
Download Datasheet
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Atmel
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| Part No. |
AT80F51
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| OCR Text |
...ectional I/O port with internal pullups. The Port 3 output buffers can sink/source four TTL inputs. When 1s are written to Port 3 pins they are pulled high by the internal pullups and can be used as inputs. As inputs, Port 3 pins that are e... |
| Description |
8-Bit Microcontroller with 4K Bytes
From old datasheet system
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| File Size |
105.71K /
12 Page |
View
it Online |
Download Datasheet |
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Atmel Corp
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| Part No. |
AT89LS8252NBSP AT89LS8252
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| OCR Text |
.... In this mode, P0 has internal pullups.
(WR) P3.6 (RD) P3.7 XTAL2 XTAL1 GND GND (A8) P2.0 (A9) P2.1 (A10) P2.2 (A11) P2.3 (A12) P2.4
Port 0 also receives the code bytes during Flash programming and outputs the code bytes during progr... |
| Description |
Low Voltage, Downloadable MCU with 8K bytes Flash and 2K bytes EEPROM
From old datasheet system
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| File Size |
332.87K /
31 Page |
View
it Online |
Download Datasheet |
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Price and Availability
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