AT89C2051 Atmel Corporation, AT89C2051 Datasheet - Page 15

• Manufacturer Part Number: AT89C2051
• Manufacturer: Atmel Corporation

Specifications of AT89C2051

• Flash (kbytes): 2 Kbytes
• Max. Operating Frequency: 24 MHz
• Cpu: 8051-12C
• Max I/o Pins: 15
• Uart: 1
• Sram (kbytes): 0.125
• Operating Voltage (vcc): 2.7 to 6.0
• Timers: 2

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