P87C51RB+4A NXP Semiconductors, P87C51RB+4A Datasheet - Page 4

• Manufacturer Part Number: P87C51RB+4A
• Description: MCU 8-Bit 87C 80C51 CISC 16KB EPROM 3.3V/5V 44-Pin PLCC Tube
• Manufacturer: NXP Semiconductors

Specifications of P87C51RB+4A

• Package: 44PLCC
• Device Core: 80C51
• Family Name: 87C
• Maximum Speed: 16 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 32
• Interface Type: UART
• Number Of Timers: 3
• Ram Size: 512 Byte
• Program Memory Size: 16 KB
• Program Memory Type: EPROM
• Operating Temperature: 0 to 70 °C

Philips Semiconductors
LOGIC SYMBOL
PIN CONFIGURATIONS
DUAL IN-LINE PACKAGE PIN FUNCTIONS
2000 Aug 07
80C51 8-bit microcontroller family
8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
INT0
INT1
RxD
TxD
WR
RD
T0
T1
ALE/PROG
CEX0/P1.3
CEX1/P1.4
CEX2/P1.5
CEX3/P1.6
CEX4/P1.7
T2EX/P1.1
EA/V
INT0/P3.2
INT1/P3.3
RxD/P3.0
TxD/P3.1
PSEN
ECI/P1.2
WR/P3.6
RD/P3.7
T2/P1.0
T0/P3.4
T1/P3.5
RST
XTAL2
XTAL1
XTAL1
XTAL2
PP
RST
V
SS
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
V
CC
PACKAGE
IN-LINE
DUAL
V
SS
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
SU00021
T2
T2EX
ADDRESS AND
PP
ADDRESS BUS
DATA BUS
SU00830
4
PLASTIC LEADED CHIP CARRIER PIN FUNCTIONS
PLASTIC QUAD FLAT PACK
PIN FUNCTIONS
* NO INTERNAL CONNECTION
* NO INTERNAL CONNECTION
Pin
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
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/CEX3
P1.7/CEX4
RST
P3.0/RxD
NIC*
P3.1/TxD
P3.2/INT0
P3.3/INT1
Function
P1.5/CEX2
P1.6/CEX3
P1.7/CEX4
RST
P3.0/RxD
NIC*
P3.1/TxD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
XTAL2
XTAL1
8XC51RA+/RB+/RC+/RD+/80C51RA+
11
1
17
7
Pin
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
18
44
12
Pin
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
6
Function
P3.4/T0
P3.5/T1
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
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/PROG
NIC*
EA/V
P0.7/AD7
8XC51FA/FB/FC/80C51FA
SS
LCC
PQFP
SS
1
PP
40
28
34
22
39
29
Pin
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Pin
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Product specification
33
23
Function
P2.7/A15
PSEN
ALE/PROG
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
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
8XC54/58
SU00023
CC
CC
SU00024
PP