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Winbond Electronics, Corp.
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| Part No. |
W77C58F-25
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| OCR Text |
...ectional i/o port with internal pull-ups. the bits have alternate functions which are described below: t2(p1.0): timer/counter 2 external count input t2ex(p1.1): timer/counter 2 reload/capture/direction control rxd1(p1.2): serial por... |
| Description |
8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP44 QFP-44
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| File Size |
545.80K /
71 Page |
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it Online |
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Integrated Circuit Technology Corp
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| Part No. |
PEEL22CV8J-7
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| OCR Text |
... programmable input and i/o pin pull-ups the input and i/o pins on this device feature programmable pull-up circuitry which can be globally enabled or disabled during design entry. (in the ict place software, for exam- ple, the pull-ups can... |
| Description |
EE PLD, 7.5 ns, PQCC28 PLASTIC, LCC-28
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| File Size |
273.66K /
8 Page |
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it Online |
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HYNIX[Hynix Semiconductor]
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| Part No. |
HMS99C52 HMS99C51
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| OCR Text |
...ectional I/O port with internal pull-ups. Port 1 pins that have 1s written to them are pulled high by the internal pull-up resistors and can be used as inputs. As inputs, port 1 pins that are externally pulled low will source current becaus... |
| Description |
8-BIT SINGLE-CHIP MICROCONTROLLERS
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| File Size |
237.56K /
43 Page |
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it Online |
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Atmel, Corp.
Atmel Corp.
ATMEL[ATMEL Corporation]
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| Part No. |
T89C51IC2-SLSIM T89C51IC T89C51IC2 T89C51IC2-RLTIL T89C51IC2-RLTIM T89C51IC2-SLSCM T89C51IC2-SLSIL
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| OCR Text |
...cation, it uses strong internal pull-up when emitting 1s. Port 0 also inputs the code bytes during EPROM programming. External pull-ups are required during program verification during which P0 outputs the code bytes. Port 1: Port 1 is an 8-... |
| Description |
8-bit Microcontroller with Flash and I2C Interface 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQCC44
8-bit Microcontroller with Flash and I2C Interface 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP44
8-bit Microcontroller with Flash and I2C Interface 8位闪存微控制器的I2C接口
From old datasheet system
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| File Size |
76.41K /
10 Page |
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it Online |
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ATMEL Corporation
Atmel, Corp.
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| Part No. |
AT89S51-33JL AT89S51-33PL AT89S51-33JC
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| OCR Text |
.... in this mode, p0 has internal pull-ups. port 0 also receives the code bytes during flash programming and outputs the code bytes dur- ing program verification. external pull-ups are required during program verification . 4.7 port 1 port ... |
| Description |
8-bit Microcontroller with 4K Bytes In-System Programmable Flash
8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PDIP40 0.600 INCH, PLASTIC, MS-011AC, DIP-40
8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44 PLASTIC, MS-018AC, LCC-44
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| File Size |
264.92K /
32 Page |
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it Online |
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Atmel, Corp.
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| Part No. |
AT89S52-33JL AT89S52-33SC AT89S52-24SI
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| OCR Text |
.... in this mode, p0 has internal pull-ups. port 0 also receives the code bytes during flash programming and outputs the code bytes dur- ing program verification. external pull-ups are required during program verification . 4.4 port 1 port ... |
| Description |
8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44 PLASTIC, MS-018AC, LCC-44
-bit AVR Microcontroller with 8K Bytes In- System Programmable Flash 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PDIP42
-bit AVR Microcontroller with 8K Bytes In- System Programmable Flash 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP42
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| File Size |
310.03K /
39 Page |
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it Online |
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