AT89C51RD2-SLSUM Atmel, AT89C51RD2-SLSUM Datasheet - Page 106

IC 8051 MCU FLASH 64K 44PLCC

AT89C51RD2-SLSUM

Manufacturer Part Number
AT89C51RD2-SLSUM
Description
IC 8051 MCU FLASH 64K 44PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet

Specifications of AT89C51RD2-SLSUM

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
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
UART, SPI
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Minimum Operating Temperature
- 40 C
Package
44PLCC
Device Core
80C51
Family Name
89C
Maximum Speed
40 MHz
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
 Details

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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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