AT89C51RD2-SLRUM Atmel, AT89C51RD2-SLRUM Datasheet - Page 107
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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24.9.5.1
24.9.6
Figure 24-10. Blank Check Flow
4235K–8051–05/08
COMMAND FINISHED
Blank Check Command Description
Wait Address not
Example
Send Blank Check Command
Erased
Programming Data (write 55h at address 0010h in the Flash)
Programming Atmel function (write SSB to level 2)
Writing Frame (write BSB to 55h)
HOST
BOOTLOADER
HOST
BOOTLOADER
HOST
BOOTLOADER
OR
Host
OR
COMMAND ABORTED
Wait Checksum Error
COMMAND FINISHED
Wait COMMAND_OK
: 01 0010 00 55 9A
: 01 0010 00 55 9A . CR LF
: 02 0000 03 05 01 F5
: 02 0000 03 05 01 F5. CR LF
: 03 0000 03 06 00 55 9F
: 03 0000 03 06 00 55 9F . CR LF
Blank Check Command
address & CR & LF
’X’ & CR & LF
’.’ & CR & LF
Send COMMAND_OK
Send Checksum Error
Wait Blank Check Command
Bootloader
AT89C51RD2/ED2
Send First Address
not Erased
Checksum Error
Flash Blank
107
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