AT89C2051-24SI Atmel, AT89C2051-24SI Datasheet - Page 2

• Manufacturer Part Number: AT89C2051-24SI
• Description: MICRO CONTROLLER
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C2051-24SI

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 24MHz
• 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): 4 V ~ 6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Other names: Q1036833A

2. Pin Configuration
2.1
3. Block Diagram
2
20-lead PDIP/SOIC
AT89C2051
(RXD) P3.0
(INT0) P3.2
(INT1) P3.3
(TXD) P3.1
(TO) P3.4
RST/VPP
(T1) P3.5
XTAL2
XTAL1
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VCC
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1 (AIN1)
P1.0 (AIN0)
P3.7
0368H–MICRO–6/08