AT87C51RB2-SLRUM Atmel, AT87C51RB2-SLRUM Datasheet - Page 11

• Manufacturer Part Number: AT87C51RB2-SLRUM
• Description: MCU ROMLESS 16K OTP 44-PLCC
• Manufacturer: Atmel
• Series: 87Cr

Specifications of AT87C51RB2-SLRUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/20MHz
• Connectivity: UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: OTP
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

4188F–8051–01/08
PSEN
EA/VPP
XTAL1
XTAL2
P4.0
P4.1
P4.2
P4.3
P4.4
P4.5
P4.6
P4.7
P5.0
P5.1
P5.2
P5.3
P5.4
P5.5
P5.6
P5.7
67
49
48
20
24
26
44
46
50
53
57
60
62
63
10
13
16
2
7
8
AT/TS8xC51Rx2
55
58
38
37
11
15
17
33
35
39
42
46
49
51
52
62
63
1
4
7
11