AT89C51RC Atmel Corporation, AT89C51RC Datasheet - Page 2
AT89C51RC
Manufacturer Part Number
AT89C51RC
Description
Manufacturer
Atmel Corporation
Datasheet
1.AT89C51RC.pdf
(36 pages)
Specifications of AT89C51RC
Flash (kbytes)
32 Kbytes
Max. Operating Frequency
24 MHz
Cpu
8051-12C
Max I/o Pins
32
Uart
1
Sram (kbytes)
0.5
Operating Voltage (vcc)
4.0 to 6.0
Timers
3
Watchdog
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51RC-24AU
Manufacturer:
ATMEL
Quantity:
5 000
Company:
Part Number:
AT89C51RC-24JU
Manufacturer:
ATMEL
Quantity:
34 960
Company:
Part Number:
AT89C51RC-24JU
Manufacturer:
ATMEL
Quantity:
5 000
Part Number:
AT89C51RC-24JU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT89C51RC-24PC
Manufacturer:
ATM
Quantity:
2 900
Company:
Part Number:
AT89C51RC-24PI
Manufacturer:
SANYO
Quantity:
12
Part Number:
AT89C51RC-24PI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
2. Pin Configurations
2.1
2.2
2.3
2
44A – 44-lead TQFP
44J – 44-lead PLCC
40P6 – 40-lead PDIP
AT89C51RC
(RXD) P3.0
(INT0) P3.2
(INT1) P3.3
(TXD) P3.1
(T0) P3.4
(T1) P3.5
P1.5
P1.6
P1.7
RST
(INT0) P3.2
(INT1) P3.3
(RXD) P3.0
(TXD) P3.1
NC
(T0) P3.4
(T1) P3.5
P1.5
P1.6
P1.7
RST
1
2
3
4
5
6
7
8
9
10
11
NC
(T2EX) P1.1
(INT0) P3.2
(INT1) P3.3
(RXD) P3.0
(TXD) P3.1
(WR) P3.6
(RD) P3.7
(T2) P1.0
(T0) P3.4
(T1) P3.5
7
8
9
10
11
12
13
14
15
16
17
XTAL2
XTAL1
GND
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VCC
P0.0 (AD0)
P0.1 (AD1)
P0.2 (AD2)
P0.3 (AD3)
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
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)
39
38
37
36
35
34
33
32
31
30
29
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
EA/VPP
NC
ALE/PROG
PSEN
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
33
32
31
30
29
28
27
26
25
24
23
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (AD7)
EA/VPP
NC
ALE/PROG
PSEN
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
1920D–MICRO–6/08