AT80C51RD2-RLTIM Atmel, AT80C51RD2-RLTIM Datasheet - Page 81

• Manufacturer Part Number: AT80C51RD2-RLTIM
• Description: IC MCU 8051 5V SPI 20MHZ 44-VQFP
• Manufacturer: Atmel
• Series: 80Cr

Specifications of AT80C51RD2-RLTIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

20. Datasheet Change Log
20.1
20.2
20.3
4113D–8051–01/09
Changes from 4113A - 09/02 to 4113B -03/05
Changes from 4113B -03/05 to 4113C -01/08
Changes from 4113C -01/08 to 4113D -01/09
1. Added Green product ordering information.
1. Removed AT80C51RD2 product offering
2. Updated Package Drawings.
1. Removed AT83C51RD2 product offering
Table 18-1 on page
63.
AT80C51RD2
69