P89C668 Philips Semiconductors, P89C668 Datasheet - Page 4

• Manufacturer Part Number: P89C668
• Description: 80C51 8-bit Flash microcontroller family 64KB ISP FLASH with 8KB RAM
• Manufacturer: Philips Semiconductors

Philips Semiconductors
LOGIC SYMBOL
PLASTIC LEADED CHIP CARRIER
PIN FUNCTIONS
2001 Jul 27
* NO INTERNAL CONNECTION
80C51 8-bit Flash microcontroller family
64KB ISP Flash with 8KB RAM
Pin
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
Function
NIC*
P1.0/T2
P1.1/T2EX
P1.2/ECI
P1.3/CEX0
P1.4/CEX1
P1.5/CEX2
P1.6/SCL
P1.7/SDA
RST
P3.0/RxD
NIC*
P3.1/TxD
P3.2/INT0
P3.3/INT1
INT0
INT1
RxD
TxD
WR
RD
T0
T1
ALE/PROG
EA/V
PSEN
RST
17
XTAL1
XTAL2
7
PP
Pin
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
18
V
6
CC
Function
P3.4/T0/CEX3
P3.5/T1/CEX4
P3.6/WR
P3.7/RD
XTAL2
XTAL1
V
NIC*
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
SS
PLCC
V
1
SS
40
28
SCL
SDA
39
29
Pin
31
32
33
34
35
36
37
38
39
40
41
42
43
44
T2
T2EX
ADDRESS AND
ADDRESS BUS
DATA BUS
Function
P2.7/A15
PSEN
ALE
NIC*
EA/V
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
SU01090
CC
SU01091
PP
4
LOW QUAD FLAT PACKAGE
PIN FUNCTIONS
* NO INTERNAL CONNECTION
Pin
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
Function
P1.5/CEX2
P1.6/SCL
P1.7/SDA
RST
P3.0/RxD
NIC*
P3.1/TxD
P3.2/INT0
P3.3/INT1
P3.4/T0/CEX3
P3.5/T1/CEX4
P3.6/WR
P3.7/RD
XTAL2
XTAL1
11
1
44
12
Pin
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Function
V
NIC*
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
PSEN
ALE
NIC*
EA/V
P0.7/AD7
LQFP
SS
PP
34
22
Pin
31
32
33
34
35
36
37
38
39
40
41
42
43
44
33
23
P89C668
Function
P0.6/AD6
P0.5/AD5
P0.4/AD4
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
V
NIC*
P1.0/T2
P1.1/T2EX
P1.2/ECI
P1.3/CEX0
P1.4/CEX1
Preliminary data
CC
SU01401