AT89C4051-12SU Atmel, AT89C4051-12SU Datasheet - Page 15

• Manufacturer Part Number: AT89C4051-12SU
• Description: IC 8051 MCU FLASH 4K 20SOIC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C4051-12SU

• 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-SOIC (7.5mm Width)
• 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: SMD/SMT
• 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

24. I
25. I
26. I
1001F–MICRO–6/08
CC
CC
CC
(Active Mode) Measurements
(Idle Mode) Measurements
(Power Down Mode) Measurements
Notes:
1. XTAL1 tied to GND
2. P.1.0 and P1.1 = V
3. Lock bits programmed
m
m
C
C
C
C
C
C
A
A
A
µ
I
I
I
20
15
10
3
2
1
0
20
15
10
5
0
5
0
3.0V
0
0
TYPICAL ICC vs. VOLTAGE- POWER DOWN (85˚C)
CC
or GND
TYPICAL ICC - ACTIVE (85˚C)
TYPICAL ICC - IDLE (85˚C)
3
FREQUENCY (MHz)
6
FREQUENCY (MHz)
Vcc VOLTAGE
4.0V
AT89C4051
AT89C4051
AT89C4051
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
AT89C4051
15