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
|
/td>
|
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
|
|
|
|