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Микроконтроллеры семейства MCS® 251 фирмы Intel

Intel MCS-251 Family Microcontrollers


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 8K1K31032 16CHMOS / P,N,TN,TPL3C,E
87C251SB 16K1K31032 16CHMOS / P,N,TN,TPL3C,E
87C251SP 8K51231032 16CHMOS / P,N,TN,TPL3C,E
87C251SQ 16K51231032 16CHMOS / P,N,TN,TPL3C,E
83C251SA (87C251SA, ROM) 16K51231032 16CHMOS / P,N,TN,TPL3C,E
83C251SB (87C251SB, ROM) 16K1K31032 16CHMOS / P,N,TN,TPL3C,E
83C251SP (87C251SP, ROM) 8K51231032 16CHMOS / P,N,TN,TPL3C,E
83C251SQ (87C251SQ, ROM) 16K51231032 16CHMOS / P,N,TN,TPL3C,E
80C251SB ROMless1K31032 16CHMOS / P,N,TN,TPL3C,E
80C251SQ ROMless51231032 16CHMOS / P,N,TN,TPL3C,E
83C251TA 8K1K32032 24CHMOS / P,N,TN,TPL3C,E
83C251TB 16K1K32032 24CHMOS / P,N,TN,TPL3C,E
83C251TP 8K51232032 24CHMOS / P,N,TN,TPL3C,E
83C251TQ 16K51232032 24CHMOS / P,N,TN,TPL3C,E
80C251TB ROMless1K32032 24CHMOS / P,N,TN,TPL3C,E
80C251TQ ROMless51232032 24CHMOS / P,N,TN,TPL3C,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 - 1K2432UART with BRG,I²C,SPI 3
PCA,Keyboard interface,Clock prescaler,Brown out,
TSC83251G1D 16K1K2432UART with BRG,I²C,SPI 3
PCA,Keyboard interface,Clock prescaler,Brown out
TSC83251G2D 32K1K2432UART with BRG,I²C,SPI 3
PCA,Keyboard interface,Clock prescaler,Brown out
TSC87251G1A 16K OTP1K1632UART with BRG,I²C,SPI 3
PCA,Keyboard interface,Clock prescaler,Brown out
TSC87251G2D 32K OTP1K2432UART with BRG,I²C,SPI 3
PCA,Keyboard interface,Clock prescaler,Brown out
TSC80251A1A -1K1632UART with BRG 24 ch PMU,Enhanced PCA
TSC87251A1A 24K OTP1K1632UART with BRG 24 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