AT89C2051-12PU Atmel, AT89C2051-12PU Datasheet - Page 15

• Manufacturer Part Number: AT89C2051-12PU
• Description: IC 8051 MCU FLASH 2K 20DIP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C2051-12PU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: UART/USART
• Peripherals: LED
• Number Of I /o: 15
• Program Memory Size: 2KB (2K 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)
• Package: 20PDIP W
• Device Core: 8051
• Family Name: 89C
• Maximum Speed: 12 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 15
• Interface Type: UART
• Number Of Timers: 2
• Processor Series: AT89x
• Core: 8051
• Data Ram Size: 128 B
• Maximum Clock Frequency: 12 MHz
• 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: Lead free / RoHS Compliant

24. I
25. I
26. I
0368H–MICRO–6/08
CC
CC
CC
(Active Mode) Measurements
(Idle Mode) Measurements
(Power Down Mode) Measurements
Notes:
C
C
A
µ
I
m
m
C
C
C
C
A
A
I
I
20
15
10
5
0
20
15
10
3
2
1
0
3.0V
5
0
1. XTAL1 tied to GND
0
2. P.1.0 and P1.1 = V
3. Lock bits programmed
TYPICAL ICC vs. VOLTAGE- POWER DOWN (85°C)
0
TYPICAL ICC - ACTIVE (85°C)
TYPICAL ICC - IDLE (85°C)
3
FREQUENCY (MHz)
6
FREQUENCY (MHz)
Vcc VOLTAGE
4.0V
AT89C2051
AT89C2051
AT89C2051
CC
or GND
12
6
Vcc=5.0V
Vcc=5.0V
5.0V
18
9
Vcc=6.0V
Vcc=3.0V
Vcc=6.0V
Vcc=3.0V
6.0V
24
12
AT89C2051
15