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Intel
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| Part No. |
87C51 80C31BH 27233503
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| OCR Text |
...ectional I O port with internal pullups The Port 3 output buffers can drive LS TTL inputs Port 3 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 3 pins that a... |
| Description |
CHMOS Single-Chip 8-Bit Microcontroller
From old datasheet system
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| File Size |
231.92K /
21 Page |
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it Online |
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Atmel Corp
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| Part No. |
AT89C1051UNBSP AT89C1051U
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| OCR Text |
...s P1.2 to P1.7 provide internal pullups. P1.0 and P1.1 require external pullups. P1.0 and P1.1 also serve as the positive input (AIN0) and the negative input (AIN1), respectively, of the on-chip precision analog comparator. The Port 1 outpu... |
| Description |
2.7-Volt, 80C31 Microcontroller with 1K byte Flash and UART, 20-Pin Package
From old datasheet system
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| File Size |
179.07K /
15 Page |
View
it Online |
Download Datasheet |
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Atmel
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| Part No. |
AT89C1051
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| OCR Text |
...s P1.2 to P1.7 provide internal pullups. P1.0 and P1.1 require external pullups. P1.0 and P1.1 also serve as the positive input (AIN0) and the negative input (AIN1), respectively, of the on-chip precision analog comparator. The Port 1 outpu... |
| Description |
8-Bit Microcontroller with 132K Bytes FLASH DATA MEMORY
From old datasheet system
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| File Size |
137.64K /
14 Page |
View
it Online |
Download Datasheet |
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Atmel
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| Part No. |
AT90S2323
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| OCR Text |
... Port pins can provide internal pullups (selected for each bit). When the device is used with an external oscillator, Port B is a 3-bit I/O Port.
RESET
Reset input. A low on this pin for two machine cycles while the oscillator is runnin... |
| Description |
8-Bit Microcontroller with 2K Bytes Downloadable FLASH
From old datasheet system
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| File Size |
554.98K /
41 Page |
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it Online |
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Dallas
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| Part No. |
DS5002FP 5002FP
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| OCR Text |
...a logic 1. It requires external pullups. Port 0 is also the multiplexed expanded address/data bus. When used in this mode, it does not require pullups. P1.0 - P1.7. General purpose I/O Port 1. P2.0 - P2.7. General purpose I/O Port 2. Also s... |
| Description |
Secure Microprocessor Chip
From old datasheet system
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| File Size |
734.46K /
29 Page |
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it Online |
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MOTOROLA[Motorola, Inc]
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| Part No. |
68HC908JB8FS
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| OCR Text |
...Keyboard scan with programmable pullups eliminate external glue logic when interfacing to simple keypads
APPLICATION NOTES
* AN1831/D Using MC68HC908 On-Chip Programming Routines * AN2093/D Creating Efficient C Code for the MC68HC08 * A... |
| Description |
Freescale Semiconductor, Inc.
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| File Size |
225.16K /
2 Page |
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it Online |
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ATMEL
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| Part No. |
AT89S8253- AT89S8253 AT89S8253-24AI
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| OCR Text |
... still have their weak internal pullups turned on.
5
3286C-MICRO-1/05
3.10
RST
Reset input. A high on this pin for at least two machine cycles while the oscillator is running resets the device.
3.11
ALE/PROG
Address Latch ... |
| Description |
In-System Programmable Microcontroller with 12K bytes Flash & 2K bytes EEPROM
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| File Size |
618.86K /
59 Page |
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it Online |
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Dallas
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| Part No. |
DS5000FP 5000FP
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| OCR Text |
...1, 79, 77, It requires external pullups. Port 0 is also the multiplexed Expanded Address/Data bus. 75 When used in this mode, it does not require pullups. 13, 14 16, 8, 18, 80, 76, 4, 6, 20, 24, 26, 28, 30, 33, 35, 37 VCC - +5V BA14-0. Byte... |
| Description |
Soft Microcontroller Module
From old datasheet system
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| File Size |
590.29K /
22 Page |
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it Online |
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Dallas
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| Part No. |
DS5000T 5000T
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| OCR Text |
...a logic 1. It requires external pullups. Port 0 is also the multiplexed Expanded Address/Data bus. When used in this mode, it does not require pullups. VCC - +5 volts.
40
3 of 19
DS5000(T)
INSTRUCTION SET
The DS5000(T) executes... |
| Description |
Soft Microcontroller Module
From old datasheet system
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| File Size |
299.54K /
19 Page |
View
it Online |
Download Datasheet |
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