AT89C51ED2-3CSIM Atmel, AT89C51ED2-3CSIM Datasheet - Page 109
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AT89C51ED2-3CSIM
Manufacturer Part Number
AT89C51ED2-3CSIM
Description
IC 8051 MCU FLASH 64K 40DIP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.ATWEBDVK-02RC.pdf
(137 pages)
Specifications of AT89C51ED2-3CSIM
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
Eeprom Size
2K x 8
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
40-DIP (0.600", 15.24mm)
Data Bus Width
8 bit
Data Ram Size
64 KB
Interface Type
SPI, UART
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
32
Number Of Timers
3 x 16 bit
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
Lead Free Status / Rohs Status
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51ED2-3CSIM
Manufacturer:
ATMEL
Quantity:
77 760
24.9.7
Figure 24-11. Display Flow
24.9.7.1
24.9.8
4235K–8051–05/08
Display Data Description
Read Function Description
COMMAND FINISHED
Wait Display Data
Example
All Data Read
Send Display Command
OR
Host
OR
Wait Checksum Error
COMMAND ABORTED
COMMAND ABORTED
This flow is similar for the following frames:
Wait Security Error
Display data from address 0000h to 0020h
BOOTLOADER
BOOTLOADER
BOOTLOADER
HOST
BOOTLOADER
Display Command
0000=-----data------ CR LF (16 data)
0010=-----data------ CR LF (16 data)
0020=data CR LF
: 05 0000 04 0000 0020 00 D7
: 05 0000 04 0000 0020 00 D7
’X’ & CR & LF
’L’ & CR & LF
"Address = "
"Reading Value"
CR & LF
( 1 data)
Send Checksum Error
Send Security Error
Complet Frame
AT89C51RD2/ED2
Bootloader
Wait Display Command
COMMAND FINISHED
RD_WR_SECURITY
Send Display Data
Checksum error
All Data Read
All Data Read
Read Data
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