AT87C52X2-RLRUM Atmel, AT87C52X2-RLRUM Datasheet - Page 5
![MCU ROMLESS 32X2 3V 44-VQFP](/photos/6/92/69202/313-44-vqfp_sml.jpg)
AT87C52X2-RLRUM
Manufacturer Part Number
AT87C52X2-RLRUM
Description
MCU ROMLESS 32X2 3V 44-VQFP
Manufacturer
Atmel
Series
87Cr
Datasheet
1.AT80C32X2-RLRUL.pdf
(55 pages)
Specifications of AT87C52X2-RLRUM
Core Processor
8051
Core Size
8-Bit
Speed
40/20MHz
Connectivity
UART/USART
Peripherals
POR
Number Of I /o
32
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Pin Configuration
4184I–8051–02/08
*NIC: No Internal Connection
P1.1 / T2EX
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
P1.0 / T2
P3.6/WR
P3.7/RD
P3.5/T1
P3.4/T0
XTAL2
XTAL1
P1.4
P1.2
P1.5
P1.6
P1.7
RST
VSS
P1.3
4
10
13
14
1
3
5
6
7
11
12
15
16
17
2
8
9
18
19
20
CDIL40
PDIL/
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
P3.4/T0
P3.5/T1
P1.5
P1.6
P1.7
RST
NIC*
25
24
33
26
23
22
40
39
38
37
36
35
34
32
31
30
29
28
27
21
4
10
1
2
3
5
6
7
8
11
9
12 13 14 15 16 17 18 19 20 21 22
44
P0.0 / A0
P0.1 / A1
P0.2 / A2
P0.4 / A4
P0.5 / A5
P0.6 / A6
P0.7 / A7
EA/VPP
ALE/PROG
PSEN
P2.7 / A15
P2.6 / A14
P2.5 / A13
P2.4 / A12
P2.3 / A11
P2.2 / A10
P2.1 / A9
P2.0 / A8
VCC
P0.3 / A3
43 42 41 40 39
VQFP44
PQFP44
38 37 36 35 34
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
P3.4/T0
P3.5/T1
NIC*
P1.5
P1.6
P1.7
RST
26
32
30
28
27
33
31
29
25
24
23
14
10
12
13
8
11
15
16
17
7
9
18 19 20 21 22 23 24 25 26 27 28
6
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA/VPP
NIC*
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
5 4 3 2 1
PLCC/CQPJ 44
44 43 42 41 40
32
38
36
34
33
31
30
29
39
37
35
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA/VPP
NIC*
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
5