AT89C5124JI ATMEL Corporation, AT89C5124JI Datasheet
AT89C5124JI
Manufacturer Part Number
AT89C5124JI
Description
PLCC44
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C5112JC.pdf
(17 pages)
Specifications of AT89C5124JI
Date_code
08+
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C5124JI
Manufacturer:
ATMEL
Quantity:
7 233
Pin Configurations
Features
•
•
•
•
•
•
•
•
•
•
Description
The AT89C51 is a low-power, high-performance CMOS 8-bit microcomputer with 4K
bytes of Flash programmable and erasable read only memory (PEROM). The device
is manufactured using Atmel’s high-density nonvolatile memory technology and is
compatible with the industry-standard MCS-51 instruction set and pinout. The on-chip
Flash allows the program memory to be reprogrammed in-system or by a conven-
tional nonvolatile memory programmer. By combining a versatile 8-bit CPU with Flash
on a monolithic chip, the Atmel AT89C51 is a powerful microcomputer which provides
a highly-flexible and cost-effective solution to many embedded control applications.
(RXD) P3.0
(INT0) P3.2
(INT1) P3.3
(TXD) P3.1
Compatible with MCS-51
4K Bytes of In-System Reprogrammable Flash Memory
Fully Static Operation: 0 Hz to 24 MHz
Three-level Program Memory Lock
128 x 8-bit Internal RAM
32 Programmable I/O Lines
Two 16-bit Timer/Counters
Six Interrupt Sources
Programmable Serial Channel
Low-power Idle and Power-down Modes
(T0) P3.4
(T1) P3.5
– Endurance: 1,000 Write/Erase Cycles
P1.5
P1.6
P1.7
RST
NC
1
2
3
4
5
6
7
8
9
10
11
PQFP/TQFP
™
Products
33
32
31
30
29
28
27
26
25
24
23
PO.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)
(INT0) P3.2
(INT1) P3.3
(RXD) P3.0
(TXD) P3.1
(T0) P3.4
(T1) P3.5
P1.5
P1.6
P1.7
RST
NC
(INT0) P3.2
(INT1) P3.3
(RXD) P3.0
(TXD) P3.1
(WR) P3.6
7
8
9
10
11
12
13
14
15
16
17
(RD) P3.7
(T0) P3.4
(T1) P3.5
XTAL2
XTAL1
GND
P1.0
P1.1
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
PDIP
PLCC
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
PO.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)
8-bit
Microcontroller
with 4K Bytes
Flash
AT89C51
Not Recommended
for New Designs.
Use AT89S51.
Rev. 0265G–02/00
1
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