参数资料
型号: AT87F52-24PC
厂商: Atmel
文件页数: 1/24页
文件大小: 0K
描述: IC MICRO CTRL 24MHZ 40DIP
标准包装: 10
系列: 87F
核心处理器: 8051
芯体尺寸: 8-位
速度: 24MHz
连通性: UART/USART
输入/输出数: 32
程序存储器容量: 8KB(8K x 8)
程序存储器类型: OTP 快速闪存
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 6 V
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 40-DIP(0.600",15.24mm)
包装: 管件
1
PLCC
P1.0
(
T
2)
VC
C
P1.1
(
T
2
E
X)
P0.0
(
A
D0)
P1.2
ALE/PR OG
(RD)
P3.7
XT
AL1
EA/VPP
(W
R)
P
3
.6
GND
(RX D )
P 3.0
P0.7
( A D 7 )
P2.6
(A14)
P0.6
( A D 6 )
P0.5
( A D 5 )
P0.4
( A D 4 )
P0.3
(
A
D3)
P0.2
(
A
D2)
P1.3
P0.1
(
A
D1)
PSEN
XT
AL2
(INT0)
P 3 .2
(TX D )
P 3.1
(T1)
P 3 .5
(INT1)
P 3 .3
(T0)
P 3 .4
P2.7
(A15)
(A11)
P2.3
(A12)
P2.4
(A10)
P2.2
(A
9)
P
2
.1
(A
8)
P
2
.0
NC
23
1
RST
I NDEX
CORNER
NC
P2.5
(A13)
34
NC
42
43
40
41
6
5
44 4
3
2
26
25
28
27
18
19
20
24
21
22
7
8
9
10
11
12
13
14
15
16
17
29
30
39
38
37
36
35
33
32
31
P1.4
P1.5
P1.6
P1.7
Features
Compatible with MCS-51 Products
8K Bytes of User Programmable QuickFlash Memory
Fully Static Operation: 0 Hz to 24 MHz
Three-Level Program Memory Lock
256 x 8-Bit Internal RAM
32 Programmable I/O Lines
Three 16-Bit Timer/Counters
Eight Interrupt Sources
Programmable Serial Channel
Low Power Idle and Power Down Modes
Description
The AT87F52 is a low-power, high-performance CMOS 8-bit microcomputer with 8K
bytes of QuickFlash programmable read only memory. The device is manufactured
using Atmel’s high density nonvolatile memory technology and is compatible with the
industry standard 80C51 and 80C52 instruction set and pinout. The on-chip Quick-
Flash allows the program memory to be user programmed by a conventional nonvola-
tile memory programmer. By combining a versatile 8-bit CPU with QuickFlash on a
monolithic chip, the Atmel AT87F52 is a powerful microcomputer which provides a
highly flexible and cost effective solution to many embedded control applications.
Rev. 1011A–02/98
8-Bit
Microcontroller
with 8K Bytes
QuickFlash
AT87F52
Not Recommended
for New Designs.
Use AT89S52.
PDIP
(T2)
P 1 .0
V CC
(T2
E X )
P 1 .1
P0.0
( A D 0 )
P1.2
(INT0)
P 3 .2
ALE/PR OG
(RD)
P3.7
P2.3
(A11)
(TX D )
P 3.1
EA/VPP
(W R)
P 3 .6
P2.4
(A12)
(RX D )
P 3.0
P0.7
( A D 7 )
(T1)
P 3 .5
P2.6
(A14)
RST
P0.6
( A D 6 )
P0.5
( A D 5 )
P0.4
( A D 4 )
P0.3
( A D 3 )
P0.2
( A D 2 )
P1.3
P0.1
( A D 1 )
(INT1)
P 3 .3
PSEN
XTAL2
P 2.2
( A10)
(T0)
P 3 .4
P2.7
(A15)
XTAL1
P 2.1
( A9)
GND
P 2.0
( A 8 )
P2.5
(A13)
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
21
22
23
24
25
26
40
39
38
37
36
35
34
33
32
31
30
29
28
27
P1.4
P1.5
P1.6
P1.7
Pin Configurations
TQFP
23
1
I NDEX
CORNER
34
P1.0
(
T
2)
VC
C
P1.1
(
T
2
E
X)
P1.2
P1.3
NC
42
43
40
41
6
5
4
44
3
2
26
25
28
27
24
18
19
20
21
22
NC
7
8
9
10
11
12
13
14
15
16
17
29
30
39
38
37
36
35
33
32
31
NC
PSEN
XT
AL1
GND
XT
AL2
GND
P0.0
(
A
D0)
ALE/PR OG
(RD)
P3.7
EA/VPP
(W
R)
P
3
.6
(RX D )
P 3.0
P0.7
( A D 7 )
P2.6
(A14)
P0.6
( A D 6 )
P0.5
( A D 5 )
P0.4
( A D 4 )
P0.3
(
A
D3)
P0.2
(
A
D2)
P0.1
(
A
D1)
(INT0)
P 3 .2
(TX D )
P 3.1
(T1)
P 3 .5
(INT1)
P 3 .3
(T0)
P 3 .4
P2.7
(A15)
(A11)
P2.3
(A12)
P2.4
(A10)
P2.2
(A
9)
P
2
.1
(A
8)
P
2
.0
RST
P2.5
(A13)
P1.4
P1.5
P1.6
P1.7
(continued)
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