P80C32X2BBD NXP Semiconductors, P80C32X2BBD Datasheet - Page 32
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P80C32X2BBD
Manufacturer Part Number
P80C32X2BBD
Description
MCU 8-Bit 80C 80C51 CISC ROMLess 5V 44-Pin LQFP Tray
Manufacturer
NXP Semiconductors
Datasheet
1.P87C52X2BN112.pdf
(62 pages)
Specifications of P80C32X2BBD
Package
44LQFP
Device Core
80C51
Family Name
80C
Maximum Speed
33 MHz
Ram Size
256 Byte
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Program Memory Type
ROMLess
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:
P80C32X2BBD
Manufacturer:
ABRACON
Quantity:
2 000
Part Number:
P80C32X2BBD
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Company:
Part Number:
P80C32X2BBD,157
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Company:
Part Number:
P80C32X2BBDЈ¬157
Manufacturer:
PH3
Quantity:
800
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)
Figure 20. UART Multiprocessor Communication, Automatic Address Recognition
START
BIT
IN UART MODE 2 OR MODE 3 AND SM2 = 1:
– WHEN OWN ADDRESS RECEIVED, CLEAR SM2 TO RECEIVE DATA BYTES
– WHEN ALL DATA BYTES HAVE BEEN RECEIVED: SET SM2 TO WAIT FOR NEXT ADDRESS.
D0
SM0 / FE
INTERRUPT IF REN=1, RB8=1 AND “RECEIVED ADDRESS” = “PROGRAMMED ADDRESS”
RECEIVED ADDRESS D0 TO D7
SMOD1
PROGRAMMED ADDRESS
D0
0 : SCON.7 = SM0
1 : SCON.7 = FE
D1
SMOD0
SM1
D1
Figure 19. UART Framing Error Detection
D2
SM2
SM0
D2
–
1
1
D3
REN
SM1
D3
POF
DATA BYTE
1
0
SET FE BIT IF STOP BIT IS 0 (FRAMING ERROR)
SM0 TO UART MODE CONTROL
D4
32
TB8
D4
SM2
GF1
COMPARATOR
D5
1
D5
RB8
GF0
REN
1
D6
D6
PD
TB8
TI
D7
X
D7
P80C3xX2; P80C5xX2;
RB8
IDL
D8
RI
MODE 2, 3
ONLY IN
D8
SCON
(98H)
PCON
(87H)
TI
STOP
BIT
SU01191
RI
P87C5xX2
SU00045
SCON
(98H)
Product data