p87c453ebaa NXP Semiconductors, p87c453ebaa Datasheet - Page 4

• Manufacturer Part Number: p87c453ebaa
• Description: 80c51 8-bit Microcontroller Family 8k/256 Otp/rom, Expanded I/o
• Manufacturer: NXP Semiconductors

Philips Semiconductors
LOGIC SYMBOL
1998 Apr 23
80C51 8-bit microcontroller family
8K/256 OTP/ROM, expanded I/O
PORT 6 CONTROL
INT0
INT1
RxD
TxD
WR
RD
T0
T1
ALE/PROG
EA/V
BFLAG
AFLAG
PSEN
ODS
RST
IDS
XTAL1
XTAL2
PP
V
CC
V
SS
ADDRESS BUS
ADDRESS AND
DATA BUS
SU00085
4
LCC PIN FUNCTIONS
Pin
10
12
13
14
15
16
17
18
19
20
21
22
23
11
1
2
3
4
5
6
7
8
9
Function
EA/V
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
P0.7/AD7
P0.6/AD6
P0.5/AD5
P0.4/AD4
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
V
P4.7
P4.6
P4.5
P4.4
P4.3
CC
PP
10
26
Pin
27
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
9
Function
P4.2
P4.1
P4.0
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
P3.0/RxD
P3.1/TxD
P3.2/INTO
P3.3/INT1
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
P5.0
P5.1
P5.2
LCC
1
83C453/87C453
61
43
Preliminary specification
60
44
Pin
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
Function
P5.3
P5.4
P5.5
P5.6
P5.7
XTAL2
XTAL1
V
ODS
IDS
BFLAG
AFLAG
P6.0
P6.1
P6.2
P6.3
P6.4
P6.5
P6.6
P6.7
PSEN
ALE/PROG
SS
SU00157