AT89C51IC2-SLRUM Atmel, AT89C51IC2-SLRUM Datasheet - Page 10

• Manufacturer Part Number: AT89C51IC2-SLRUM
• Description: IC 8051 MCU 32K FLASH 44-PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51IC2-SLRUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Other names: AT89C51IC2-SLRUMTR

Pin Configurations
Figure 2. Pin Configurations
10
AT89C51IC2
P1.5/CEX2/MISO
P1.7/CEx4/MOSI
P1.6/CEX3/SCK
P1.7/CEX4/MOSI
P1.5/CEX2/MISO
P1.6/CEX3/SCK
PI2.1/SDA
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
PI2.1/SDA
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P3.0/RxD
P3.1/TxD
P3.4/T0
P3.5/T1
RST
RST
14
10
11
12
13
15
16
17
7
8
9
18 19
4
10
1
2
3
5
6
7
8
9
11
6
44
12 13
5 4 3 2 1
20
43 42 41 40 39
21
14
15
22
PLCC44
VQFP44 1.4
16
23
17
24
44 43 42 41 40
38 37 36 35 34
18
25
19
26
20
27 28
21 22
32
38
37
36
35
34
33
31
30
29
39
26
33
32
30
28
27
25
24
23
31
29
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
PI2.0/SCL
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
PI2.0/SCL
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
4301D–8051–02/08