AT89C51RD2-SLRUM Atmel, AT89C51RD2-SLRUM Datasheet - Page 106
AT89C51RD2-SLRUM
Manufacturer Part Number
AT89C51RD2-SLRUM
Description
IC MCU FLASH 8051 EEP 64K 44PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.ATWEBDVK-02RC.pdf
(137 pages)
Specifications of AT89C51RD2-SLRUM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
34
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
2K 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
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCUAT89STK-11 - KIT STARTER FOR AT89C51RX2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Compliant
Other names
AT89C51RD2-SLRUMTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51RD2-SLRUM
Manufacturer:
ATMEL
Quantity:
560
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24.9.5
Figure 24-9. Write/Program Flow
106
AT89C51RD2/ED2
COMMAND FINISHED
Write/Program Commands Description
Wait COMMAND_OK
Send Write Command
OR
Host
OR
COMMAND ABORTED
Wait Checksum Error
COMMAND ABORTED
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
Bootloader
Wait Write Command
Send COMMAND_OK
Wait Programming
Checksum Error
NO_SECURITY
4235K–8051–05/08
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