TS80C51RA2-VIA Atmel, TS80C51RA2-VIA Datasheet - Page 7

• 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: -

Rev. C - 06 March, 2001
Reset
9
10
4
I
Reset: A high on this pin for two machine cycles while the oscillator is running,
resets the device. An internal diffused resistor to V
using only an external capacitor to V
time-out, the reset pin becomes an output during the time the internal reset is
activated.
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
CC.
TS80C51RA2/RD2
If the hardware watchdog reaches its
SS
permits a power-on reset
7