TS80C51RA2-VIA Atmel, TS80C51RA2-VIA Datasheet - Page 45

• Manufacturer Part Number: TS80C51RA2-VIA
• Description: IC MCU 8BIT 256BYTE 40MHZ 40-DIP
• Manufacturer: Atmel
• Series: 80Cr

Specifications of TS80C51RA2-VIA

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/30MHz
• Connectivity: UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

* Port 0 can force a "zero" level. A "one" will leave port floating.
Rev. C - 06 March, 2001
Power Down
Power Down
Mode
Idle
Idle
Program
Memory
External
External
Internal
Internal
Table 22. The state of ports during idle and power-down mode
ALE
1
1
0
0
PSEN
1
1
0
0
Port Data*
Port Data*
PORT0
Floating
Floating
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
Port Data
Port Data
Port Data
Port Data
PORT1
TS80C51RA2/RD2
Port Data
Port Data
Port Data
PORT2
Address
Port Data
Port Data
Port Data
Port Data
PORT3
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