F224d Faria, Rubens Alexandre de Desenvolvimento de ... - UTFPR

Features
• Compatible with MCS-51 TM Products
• 8K Bytes of In-System Reprogrammable Flash Memory
- Endurance: 1,000 Write/Erase Cycles
• 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 AT89C52 is a low-power, high-performance CMOS 8-bit microcomputer with 8K
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 80051 and 80052 instruction set and pinout.
The on-chip
Flash allows the program memory to be reprogrammed in-system or by a
conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU
with Flash on a monolithic chip, the Atmel AT89C52 is a powerful microcomputer
which provides a highly flexible and cost effective solution to many embedded control
(continued)
applications.
PDIP
Pin Configurations
INDEX
CORNER
P1.5 C
P1.6 E
P1.7 E
RST E
(RXD) P3.0
NC E
(TXD) P3.1 E
(INTO) P3.2 C
(INT1) P3.3 E
(TO) P3.4
(71) P3.5
2
3
4
6
7
8
9
10
11
PQFP/TQFP
x
'07 1-
;•.! .. 0 00 0 0
■- aaaa
▪ 9 (-1 9 9 9
0 00000
0_ a 0. CI. a Z> a CL
IT
4 44 34 2 4 14 03 93 83 73 63 53 4
1 2 1 31 415181718 1 92 02 12
(01, 01 .- 00C3 0,-0. 010
0 VI .7( Z Z cLI N
o. o. a 0.
>c x
03 0, 0
•,L
33
32
31
30
29
28
27
26
25
24
23
E P0.4 (AD4)
P0.5 (AD5)
E P0.6 (AD6)
P0.7 (AD7)
EA/VPP
NC
ALE /PROG
PSEN
_E P2.7 (A15)
.1•7 P2.6 (A14)
_E. P2.5 (A13)
( -12) P1.0 1 40
(T2 EX) P1.1 2 39
P1.2 3 38
P1. 3 4 37
P1.4 5 36
P1 5 I__ 6 35
P1.6 E 7 34
P1.7 C 8 33
RST E 9 32
(RXD) P3.0 C 10 31
(TXD) P3.1 C 11 30
(rRTT)) P3.2 E 12 29
(INS) P3.3 C 13 28
(TO) P3.4 C 14 27
(T1) P3.5 C 15 26
(WR) P3.6 C 16 25
(RD) P3.7 C 17 24
XTAL2 C 18 23
INDEX
CORNER
XTAL1 C 19 22
GND C 20 21
68PLCC
•
■
•
VCC
P0.0 (ADO)
P0.1 (AD1)
P0.2 (AD2)
P0.3 (AD3)
P0.4 (AD4)
P0.5 (AD5)
P0.6 (AD6)
P0.7 (A07)
•
•
a
■
•
■
•
x
..-. .... --. ..--
w 0 ,- 01 0
oocao
;-• i- a a a a
---- --- -
c,0 00
0 0 000
a 0- 0. 0. a. Z > IL 0. 0.
EA/VPP
ALE/PROG
PSEN
P2.7 (A15)
P2.6 (A14)
P2.5 (A13)
P2.4 (Al2)
P2.3 (A11)
P2.2 (A10)
P2.1 (A9)
P2.0 (A8)
4'i -iL144113Q 12421:-
P1.5E 7 5 3 1 43 4139 2.1P0.4 (AD4)
P1 6 2' 8
P1 7 _ 9
38 E P0.5 (ADO)
37 _7 P0.6 (AD6)
RST
(RXD) P3.0
10
11
36 E P0.7 (AD7)
35E EA/VPP
NC _ 12
(TXD) P3.1 _ 13
34 E NC
337 7 ALE/PROD
( F1TTT3 ) P3.2 E 14 32 17 PSEN
OWn) P3.3E. 15 31:71P2.7 (A15)
(TO) P3.47: 16
30 EP2.6 (A14)
(A13)
(T1) P3 5 E.
1 12819202' 2224262722: 23 25 P2.5
U LI Li
0 - 0
JJ z
z ,
CL O. 0- CL 0_ 0.
X X
;0,-';;;:C71
<
AMIN
8-Bit
Microcontroller
with 8K Bytes
Flash
AT89C52
0313F-A-12/97
Anit
Il
4-61