AT89C51RB2-SLRUM Atmel, AT89C51RB2-SLRUM Datasheet - Page 99
![MCU 8051 16K FLASH 5V 44-PLCC](/photos/6/70/67043/453-44-plcc_sml.jpg)
AT89C51RB2-SLRUM
Manufacturer Part Number
AT89C51RB2-SLRUM
Description
MCU 8051 16K FLASH 5V 44-PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51RB2-RLTIL.pdf
(127 pages)
Specifications of AT89C51RB2-SLRUM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
For Use With
AT89STK-11 - KIT STARTER FOR AT89C51RX2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51RB2-SLRUM
Manufacturer:
Atmel
Quantity:
500
Figure 41. Command Flow
Write/Program Commands
Description
Figure 42. Write/Program Flow
4180E–8051–10/06
COMMAND FINISHED
Wait COMMAND_OK
Sends first character of the
Frame
Sends frame (made of 2 ASCII
characters per Byte)
Echo analysis
Send Write Command
OR
Host
Host
OR
COMMAND ABORTED
COMMAND ABORTED
Wait Checksum Error
Wait Security Error
This flow is common to the following frames:
•
•
•
•
Flash/EEPROM Programming Data Frame
EOF or Atmel Frame (only Programming Atmel Frame)
Config Byte Programming Data Frame
Baud Rate Frame
’X’ & CR & LF
Write Command
’P’ & CR & LF
’.’ & CR & LF
":"
":"
Send Checksum error
Send Security error
Gets frame, and sends back ec
for each received Byte
Else
If (not received ":")
Bootloader
Sends echo and start
reception
AT89C51RB2/RC2
Bootloader
Wait Write Command
Send COMMAND_OK
Wait Programming
NO_SECURITY
Checksum error
99