P87C51X2BBD NXP Semiconductors, P87C51X2BBD Datasheet - Page 28
![no-image](/images/manufacturer_photos/0/4/487/nxp_semiconductors_sml.jpg)
P87C51X2BBD
Manufacturer Part Number
P87C51X2BBD
Description
MCU 8-Bit 87C 80C51 CISC 4KB EPROM 5V 44-Pin LQFP Tray
Manufacturer
NXP Semiconductors
Datasheet
1.P87C52X2BN112.pdf
(62 pages)
Specifications of P87C51X2BBD
Package
44LQFP
Device Core
80C51
Family Name
87C
Maximum Speed
33 MHz
Ram Size
128 Byte
Program Memory Size
4 KB
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Program Memory Type
EPROM
Number Of Programmable I/os
32
Interface Type
UART
Operating Temperature
0 to 70 °C
Number Of Timers
3
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
P87C51X2BBD
Manufacturer:
ENE
Quantity:
14
Company:
Part Number:
P87C51X2BBD,157
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Company:
Part Number:
P87C51X2BBDЈ¬157
Manufacturer:
NXP
Quantity:
10
Philips Semiconductors
2003 Jan 24
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
Data
Shift
TxD
TI
Stop Bit Gen.
RxD
Shift
Bit Detector
Sample Times
RI
Clock
Clock
RX
TX
Mode 2
2
Write to SBUF
12-clock mode;
f
Phase 2 Clock
OSC
(1/2 f
mode)
in 6-clock
OSC
SMOD = 1
SMOD = 0
(SMOD is
PCON.7)
16 Reset
Start Bit
in
Send
RxD
Start
Bit
S1P1
SBUF
Write
D0
D0
to
Transition
Detector
1-to-0
Sample
D1
D1
Interrupt
Serial
16
Port
D2
D2
D
CL
TB8
Figure 16. Serial Port Mode 2
S
Bit Detector
Q
TX Clock
Start
Read
SBUF
Start
D3
D3
16
Stop Bit
RX Clock
Load
SBUF
Gen.
Zero Detector
D4
28
D4
TX Control
RX Control
80C51 Internal Bus
80C51 Internal Bus
SBUF
Input Shift Register
T1
R1
D5
D5
SBUF
Shift
(9 Bits)
1FFH
D6
D6
Load
SBUF
Data
Send
Shift
Shift
D7
D7
P80C3xX2; P80C5xX2;
TB8
RB8
Stop Bit
Stop Bit
P87C5xX2
Product data
TxD
Transmit
Receive
SU01627