AT89C51RE2-SLRUM Atmel, AT89C51RE2-SLRUM Datasheet - Page 66

MCU 8051 128K FLASH 44-PLCC

AT89C51RE2-SLRUM

Manufacturer Part Number
AT89C51RE2-SLRUM
Description
MCU 8051 128K FLASH 44-PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet

Specifications of AT89C51RE2-SLRUM

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
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K 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
8 KB
Interface Type
UART, SPI
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
34
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89OCD-01
For Use With
AT89STK-11 - KIT STARTER FOR AT89C51RX2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
 Details

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT89C51RE2-SLRUM
Manufacturer:
Atmel
Quantity:
759
Part Number:
AT89C51RE2-SLRUM
Manufacturer:
Atmel
Quantity:
10 000
Reading commands
FLASH
CONFIGURATION
SECURITY
BOOTLOADER
SIGNATURE
66
AT89C51RE2
The reading command is supported by the following areas:
Table 42. Memory space & Select page
The reading command on the Flash memory can be done from address 000h to 1FFFFh. The
read operation is only possible if the HSB (Hardware Security Byte) has a security level lower
than or equal to ‘2’ (FLB2.0 = ‘110’)
Table 43. Flash Read Authorization Summary
The CONFIGURATION family can always be read.
The SECURITY family can always be read.
All the field from the BOOTLOARED family can be read from the bootloader. Each bootloader
information shall be read unitary. Accesses must be done byte per byte according to the address
definition
All the field from the SIGNATURE family can be read from the bootloader. Each signature infor-
mation shall be read unitary. Accesses must be done byte per byte according to the address
definition
FLASH
SECURITY
CONFIGURATION
BOOTLOADER
SIGNATURE
Read
Memory/Information Family
Command
Allowed
111
Allowed
110
Security level (HSB)
need security level check
Comments/Restriction
FLB2:0
Forbidden
101
7663E–8051–10/08
Forbidden
011

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