AT89C51RE2-RLTUM Atmel, AT89C51RE2-RLTUM Datasheet - Page 184

• Manufacturer Part Number: AT89C51RE2-RLTUM
• Description: MCU 8051 128K FLASH 44-VQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51RE2-RLTUM

• 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-TQFP, 44-VQFP
• 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
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89OCD-01
• Minimum Operating Temperature: - 40 C
• Height: 1.45 mm
• Length: 10.1 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Width: 10.1 mm
• 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

1
AT89C51RE2
Features ................................................................................................. 1
Description ............................................................................................ 2
Block Diagram ...................................................................................... 3
Pin Configurations ............................................................................... 4
SFR Mapping ......................................................................................... 7
Enhanced Features ............................................................................ 13
Dual Data Pointer Register DPTR ..................................................... 18
Expanded RAM (XRAM) ..................................................................... 22
Flash Memory ..................................................................................... 27
Operation Cross Memory Access ..................................................... 50
Sharing Instructions ........................................................................... 50
Flash Protection from Parallel Programming .................................. 52
Bootloader Architecture .................................................................... 53
Timers/Counters ................................................................................. 68
X2 Feature .......................................................................................................... 13
Memory Architecture ........................................................................................... 21
Registers............................................................................................................. 24
Extended Stack................................................................................................... 25
General Description ............................................................................................ 27
Features.............................................................................................................. 27
Flash memory organization ................................................................................ 27
On-Chip Flash memory....................................................................................... 28
On-Chip ROM bootloader ................................................................................... 31
Boot process....................................................................................................... 32
Access and Operations Descriptions.................................................................. 36
Introduction ......................................................................................................... 53
Bootloader Description ....................................................................................... 54
ISP Protocol Description..................................................................................... 56
Protocol............................................................................................................... 57
ISP Commands description ................................................................................ 61
Timer/Counter Operations .................................................................................. 68
Timer 0................................................................................................................ 68
Timer 1................................................................................................................ 71
7663E–8051–10/08