p80c550efaa NXP Semiconductors, p80c550efaa Datasheet - Page 4

• Manufacturer Part Number: p80c550efaa
• Description: 80c51 8-bit Microcontroller Family 4k/128 Otp/rom/romless, Channel Watchdog Timer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PIN CONFIGURATIONS
1998 May 01
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
Pin
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
Function
AV
Vref+
Vref–
AV
P1.0/ADC0
P1.1/ADC1
P1.2/ADC2
P1.3/ADC3
P1.4/ADC4
P1.5/ADC5
P1.6/ADC6
P1.7/ADC7
RST
P3.0/RxD
P3.1/TxD
CC
SS
AV
AV
P1.0/ADC0
P1.1/ADC1
P1.2/ADC2
P1.3/ADC3
P1.4/ADC4
P1.5/ADC5
INT0/P3.2
INT1/P3.3
RxD/P3.0
TxD/P3.1
WR/P3.6
RD/P3.7
17
CC
SS
T0/P3.4
T1/P3.5
7
XTAL2
XTAL1
/Vref–
/Vref+
RST
V
SS
18
6
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
CHIP CARRIER
Pin
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
PLASTIC
LEADED
PACKAGE
PLASTIC
IN-LINE
DUAL
Function
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
XTAL2
XTAL1
V
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
1
SS
40
28
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
V
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/V
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
CC
39
29
Pin
31
32
33
34
35
36
37
38
39
40
41
42
43
44
PP
Function
P2.6/A14
P2.7/A15
PSEN
ALE/PROG
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
CC
SU00196
PP
4
80C550/83C550/87C550
Product specification