AT87C51RD2-RDTUM Atmel, AT87C51RD2-RDTUM Datasheet - Page 6
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AT87C51RD2-RDTUM
Manufacturer Part Number
AT87C51RD2-RDTUM
Description
IC 8051 MCU 32K OTP 40MHZ 64VQFP
Manufacturer
Atmel
Series
87Cr
Datasheet
1.TS87C51RB2-VIA.pdf
(86 pages)
Specifications of AT87C51RD2-RDTUM
Core Processor
8051
Core Size
8-Bit
Speed
40/20MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
48
Program Memory Size
64KB (64K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
UART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
5. Pin Configuration
6
AT/TS8xC51Rx2
P1.1 / T2EX
P3.2/INT0
P3.3/INT1
P3.0/RxD
P3.1/TxD
P1.0 / T2
*NIC: No Internal Connection
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
XTAL2
XTAL1
P1.2
P1.5
P1.6
P1.7
RST
VSS
P1.4
P1.3
14
10
12
13
4
6
7
11
15
16
17
1
2
3
5
8
18
19
20
9
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*
33
25
24
40
39
36
34
30
29
26
23
22
21
38
37
35
32
31
28
27
10
4
6
1
2
3
5
7
8
11
9
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
P0.0 / A0
P0.1 / A1
P0.2 / A2
VCC
P0.3 / A3
12 13 14 15 16 17 18 19 20 21 22
44
43 42 41 40 39
VQFP44 1.4
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
25
24
23
33
31
29
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
39
37
35
31
30
29
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
4188F–8051–01/08