Микроконтроллеры семейства MCS® 251 фирмы Intel 

Микроконтроллеры семейства MCS® 251 фирмы Intel  

Product

ROM/
EPROM
(Bytes)

Register RAM
(Bytes)

Timer/
Counters

Serial
Port

Analog
Input
Channels

I/O
Pins

Speed
(MHz)

Process / Package

Security

Temp

Each product listed below has the high performance MCS251 architecture, PCA, and H/W WDT

87C251SA

8K

1K

3

1

0

32

16

CHMOS / P,N,TN,TP

L3

C,E

87C251SB

16K

1K

3

1

0

32

16

CHMOS / P,N,TN,TP

L3

C,E

87C251SP

8K

512

3

1

0

32

16

CHMOS / P,N,TN,TP

L3

C,E

87C251SQ

16K

512

3

1

0

32

16

CHMOS / P,N,TN,TP

L3

C,E

83C251SA (87C251SA, ROM)

16K

512

3

1

0

32

16

CHMOS / P,N,TN,TP

L3

C,E

83C251SB (87C251SB, ROM)

16K

1K

3

1

0

32

16

CHMOS / P,N,TN,TP

L3

C,E

83C251SP (87C251SP, ROM)

8K

512

3

1

0

32

16

CHMOS / P,N,TN,TP

L3

C,E

83C251SQ (87C251SQ, ROM)

16K

512

3

1

0

32

16

CHMOS / P,N,TN,TP

L3

C,E

80C251SB

ROMless

1K

3

1

0

32

16

CHMOS / P,N,TN,TP

L3

C,E

80C251SQ

ROMless

512

3

1

0

32

16

CHMOS / P,N,TN,TP

L3

C,E

83C251TA

8K

1K

3

2

0

32

24

CHMOS / P,N,TN,TP

L3

C,E

83C251TB

16K

1K

3

2

0

32

24

CHMOS / P,N,TN,TP

L3

C,E

83C251TP

8K

512

3

2

0

32

24

CHMOS / P,N,TN,TP

L3

C,E

83C251TQ

16K

512

3

2

0

32

24

CHMOS / P,N,TN,TP

L3

C,E

80C251TB

ROMless

1K

3

2

0

32

24

CHMOS / P,N,TN,TP

L3

C,E

80C251TQ

ROMless

512

3

2

0

32

24

CHMOS / P,N,TN,TP

L3

C,E

 

Package:

 

Temperature: P = 40 Lead Plastic Dual Inline Package at commercial temp N = 44 Lead Plastic Lead Chip Carrier at commercial temp TN = 44 Lead Plastic Lead Chip Carrier at express temp TP = 40 Lead Plastic Dual Inline Package at express temp


87CX51,ROM = Factory Program ROM

  C = Commercial Temperature E = Express Temperature

 

Микроконтроллеры фирмы Temic (подразделение Atmel) с архитектурой MCS-251

Temic (div.Atmel) MCS-251 Family Microcontrollers

 

Device

ROM
(byte)

RAM
(byte)

Max Speed
(MHz)

I/0

Serial
Interfaces

16-bit
Timers

Watch
Dog

8-bit
ADC

Other Features

TSC80251G2D

-

1K

24

32

UART with BRG,I²C,SPI

3

 

PCA,Keyboard interface,Clock prescaler,Brown out,

TSC83251G1D

16K

1K

24

32

UART with BRG,I²C,SPI

3

 

PCA,Keyboard interface,Clock prescaler,Brown out

TSC83251G2D

32K

1K

24

32

UART with BRG,I²C,SPI

3

 

PCA,Keyboard interface,Clock prescaler,Brown out

TSC87251G1A

16K OTP

1K

16

32

UART with BRG,I²C,SPI

3

 

PCA,Keyboard interface,Clock prescaler,Brown out

TSC87251G2D

32K OTP

1K

24

32

UART with BRG,I²C,SPI

3

 

PCA,Keyboard interface,Clock prescaler,Brown out

TSC80251A1A

-

1K

16

32

UART with BRG

2

4 ch

PMU,Enhanced PCA

TSC87251A1A

24K OTP

1K

16

32

UART with BRG

2

4 ch

PMU,Enhanced PCA

 

Glossary: PMU: Pulse Measurement Unit PCA: Programmable Counter Array UART: Universal Asynchronous Receiver Transmitter BRG: Baud Rate Generator I²C: Inter Integrated Circuit SPI: Serial Peripheral Interface






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