T89C51RD2-SLSIM Atmel, T89C51RD2-SLSIM Datasheet - Page 71

• Manufacturer Part Number: T89C51RD2-SLSIM
• Description: IC MICRO CTRL 64K FLASH 44PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of T89C51RD2-SLSIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

Display Data
Description
Figure 29. Display Flow
Note:
4243G–8051–05/03
The maximum size of block is 400h. To read more than 400h Bytes, the Host must send a new command.
COMMAND FINISHED
Wait Display Data
All data read
Send Display Command
OR
Host
OR
COMMAND ABORTED
Wait Checksum Error
COMMAND ABORTED
Wait Security Error
’X’ & twice (CR & LF)
Display Command
’L’ & CR & LF
"Address = "
"Reading value"
CR & LF
Send Checksum Error
Send Security Error
Complete Frame
Bootloader
Wait Display Command
COMMAND FINISHED
RD_WR_SECURITY
Send Display Data
Checksum error
All data read
All data read
Read Data
T89C51RD2
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