AT89C51IC2-RLTIL Atmel, AT89C51IC2-RLTIL Datasheet - Page 124
![IC 8051 MCU FLASH 32K 44VQFP](/photos/6/92/69202/313-44-vqfp_sml.jpg)
AT89C51IC2-RLTIL
Manufacturer Part Number
AT89C51IC2-RLTIL
Description
IC 8051 MCU FLASH 32K 44VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51IC2-SLRIM.pdf
(147 pages)
Specifications of AT89C51IC2-RLTIL
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
34
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51IC2-RLTIL
Manufacturer:
ATMEL
Quantity:
640
Company:
Part Number:
AT89C51IC2-RLTIL
Manufacturer:
ATMEL
Quantity:
4 116
Example
Read Function
Description
Figure 52. Read Flow
Example
124
AT89C51IC2
COMMAND FINISHED
Wait Value of Data
Send Read Command
OR
Host
OR
COMMAND ABORTED
Wait Checksum Error
COMMAND ABORTED
Wait Security Error
This flow is similar for the following frames:
•
•
Read function (read SBV)
Atmel Read function (read Bootloader version)
Display data from address 0000h to 0020h
HOST
BOOTLOADER
HOST
BOOTLOADER
BOOTLOADER
BOOTLOADER
BOOTLOADER
HOST
BOOTLOADER
Reading Frame
EOF Frame/Atmel Frame (only reading Atmel Frame)
’value’ & ’.’ & CR & LF
Read Command
’X’ & CR & LF
’L’ & CR & LF
: 02 0000 05 07 02 F0
: 02 0000 05 07 02 F0 Value . CR LF
: 02 0000 01 02 00 FB
: 02 0000 01 02 00 FB Value . CR LF
0000=-----data------ CR LF
0010=-----data------ CR LF
0020=data CR LF
: 05 0000 04 0000 0020 00 D7
: 05 0000 04 0000 0020 00 D7
Send Checksum error
Send Security error
Bootloader
Wait Read Command
(16 data)
(16 data)
( 1 data)
RD_WR_SECURITY
Send Data Read
Checksum error
Read Value
4301D–8051–02/08