AT89C4051-12PU Atmel, AT89C4051-12PU Datasheet - Page 10

• Manufacturer Part Number: AT89C4051-12PU
• Description: IC MCU 4K FLASH 12MHZ 20-DIP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C4051-12PU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, LED, POR
• Number Of I /o: 15
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-DIP (0.300", 7.62mm)
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: UART
• Maximum Clock Frequency: 24 MHz
• Number Of Programmable I/os: 15
• Number Of Timers: 2
• Operating Supply Voltage: 2.7 V to 6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Figure 13-1. Programming the Flash Memory
AT89C4051
P3.1
RDY/BSY
PP
Figure 13-2. Verifying the Flash Memory
AT89C4051
AT89C4051
10
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