AT89C51RE2-SLRUM Atmel, AT89C51RE2-SLRUM Datasheet - Page 186

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

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

3
AT89C51RE2
2-wire Interface (TWI) ....................................................................... 131
Serial Port Interface (SPI) ................................................................ 149
Power Monitor ................................................................................... 161
Power-off Flag ................................................................................... 163
Reset .................................................................................................. 164
Electrical Characteristics ................................................................. 166
Ordering Information ........................................................................ 178
Packaging Information ..................................................................... 179
Document Revision History ............................................................. 183
Description........................................................................................................ 133
Notes ................................................................................................................ 136
Registers........................................................................................................... 146
Features............................................................................................................ 149
Signal Description............................................................................................. 149
Functional Description ...................................................................................... 151
Description........................................................................................................ 161
Introduction ....................................................................................................... 164
Reset Input ....................................................................................................... 164
Reset Output .....................................................................................................165
Absolute Maximum Ratings ..............................................................................166
DC Parameters .................................................................................................166
AC Parameters ................................................................................................. 168
PLCC44 ............................................................................................................ 179
VQFP44 ............................................................................................................ 181
Changes from 7663B to 7663C ........................................................................ 183
Changes from 7663C to 7663D ........................................................................ 183
Changes from 7663D to 7663E ........................................................................ 183
7663E–8051–10/08