AT89C51IC2-SLRIM Atmel, AT89C51IC2-SLRIM Datasheet - Page 110
![IC MCU FLASH 8051 32K 5V 44-PLCC](/photos/6/70/67043/453-44-plcc_sml.jpg)
AT89C51IC2-SLRIM
Manufacturer Part Number
AT89C51IC2-SLRIM
Description
IC MCU FLASH 8051 32K 5V 44-PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51IC2-SLRIM.pdf
(147 pages)
Specifications of AT89C51IC2-SLRIM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
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 ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
AT89C51IC2SLRIMTR
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AT89C51IC2
Table 86. Default Values
After programming the part by ISP, the BSB must be cleared (00h) in order to allow the
application to boot at 0000h.
The content of the Software Security Byte (SSB) is described in Table 86 and Table 88.
To assure code protection from a parallel access, the HSB must also be at the required
level.
Table 87. Software Security Byte
The two lock bits provide different levels of protection for the on-chip code and data,
when programmed as shown in Table 88.
Mnemonic
Number
Bit
SBV
HSB
BSB
SSB
1-0
7
-
7
6
5
4
3
2
Mnemonic Description
Definition
Software Boot Vector
Hardware security Byte
Boot Status Byte
Software Security Byte
Copy of the Manufacturer Code
Copy of the Device ID #1: Family Code
Copy of the Device ID #2: memories
Copy of the Device ID #3: name and
revision
LB1-0
Bit
6
-
-
-
-
-
-
-
Reserved
Do not clear this bit.
Reserved
Do not clear this bit.
Reserved
Do not clear this bit.
Reserved
Do not clear this bit.
Reserved
Do not clear this bit.
Reserved
Do not clear this bit.
User Memory Lock Bits
see Table 88
5
-
4
-
3
-
Default value
101x 1011b
0FFh
FCh
D7h
EFh
FFh
F7h
58h
2
-
Description
ATMEL
C51 X2, Electrically Erasable
AT89C51IC2 32KB
AT89C51IC2 32KB, Revision
0
LB1
1
4301D–8051–02/08
LB0
0
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