AT89C51ED2-SMRIM Atmel, AT89C51ED2-SMRIM Datasheet - Page 9
AT89C51ED2-SMRIM
Manufacturer Part Number
AT89C51ED2-SMRIM
Description
IC MCU FLASH 8051 64K 5V 68PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.ATWEBDVK-02RC.pdf
(137 pages)
Specifications of AT89C51ED2-SMRIM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
50
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
68-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
Other names
AT89C51ED2SMRIMTR
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4. Pin Configurations
Figure 4-1.
4235K–8051–05/08
Pin Configurations
P1.5/CEX2/MISO
P1.7/CEx4/MOSI
P1.6/CEX3/SCK
P1.6/CEX3/SCK
P1.7/CEX4/MOSI
P1.5/CEX2/MISO
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
P3.4/T0
P3.5/T1
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
P3.4/T0
P3.5/T1
RST
NIC*
RST
NIC*
14
10
12
13
15
16
17
7
8
9
11
18 19
1
3
4
5
10
2
6
7
8
9
11
6
44
5 4 3 2 1
12 13
AT89C51RD2/ED2
20
43 42 41 40 39
AT89C51RD2/ED2
21
14
PLCC44
22
15
VQFP44 1.4
23
16
24
17
44 43 42 41 40
25
38 37 36 35 34
18
19
26
20
27 28
21 22
36
34
33
32
39
38
37
35
31
30
29
26
32
30
28
27
25
24
23
33
31
29
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
NIC*
P2.6/A14
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
ALE/PROG
PSEN
P2.7/A15
P2.5/A13
NIC*
AT89C51RD2/ED2
9
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