T89C51RD2-SLSIM Atmel, T89C51RD2-SLSIM Datasheet - Page 4
![IC MICRO CTRL 64K FLASH 44PLCC](/photos/6/70/67043/453-44-plcc_sml.jpg)
T89C51RD2-SLSIM
Manufacturer Part Number
T89C51RD2-SLSIM
Description
IC MICRO CTRL 64K FLASH 44PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.T89C51RD2-SMSIM.pdf
(104 pages)
Specifications of T89C51RD2-SLSIM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
1.25K 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
Contains lead / RoHS non-compliant
Data Converters
-
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Pin Configuration
4
P1.4/CEX1
P1.5/CEX2
P1.6/CEX3
P1.1/T2EX
P1.3CEX0
P1.7CEX4
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
T89C51RD2
P1.2/ECI
P3.6/WR
P3.7/RD
P1.0/T2
P3.4/T0
P3.5/T1
XTAL2
XTAL1
RST
VSS
14
4
10
12
13
1
2
3
5
6
7
8
11
15
16
17
9
18
19
20
PDIL
P1.6/CEX3
P1.5/CEX2
P1.7/CEX4
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
P3.4/T0
P3.5/T1
RST
NIC*
33
26
25
24
23
22
40
39
36
34
30
29
21
Note:
38
37
35
32
31
28
27
1
3
4
5
7
10
2
6
8
9
11
P0.2/AD2
P0.0/AD0
P0.1/AD1
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
ALE/PROG
PSEN
P2.7/AD15
P2.6/AD14
P2.5/AD13
P2.4/AD12
P2.3/AD11
P2.2/AD10
P2.1/AD9
P2.0/AD8
VCC
P0.3/AD3
44
12 13
43 42 41 40 39
NIC = No Internal Connection
14
15
VQFP44 1.4
16
17
38 37 36 35 34
18
19
P1.5/CEX2
P1.6/CEX3
P1.7/CEx4
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
20
P3.4/T0
P3.5/T1
21 22
NIC*
RST
26
32
30
28
27
25
24
23
33
31
29
14
10
12
13
15
16
17
7
8
9
11
18 19
6
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
NIC*
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
5 4 3 2 1
20
21
22
PLCC
23
24
44 43 42 41 40
25
26
27 28
32
38
36
34
33
39
37
35
31
30
29
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
NIC*
ALE/PROG
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
4243G–8051–05/03
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