P80C32X2FN NXP Semiconductors, P80C32X2FN Datasheet - Page 32
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P80C32X2FN
Manufacturer Part Number
P80C32X2FN
Description
MCU 8-Bit 80C 80C51 CISC ROMLess 5V 40-Pin PDIP Tube
Manufacturer
NXP Semiconductors
Datasheet
1.P87C52X2BN112.pdf
(62 pages)
Specifications of P80C32X2FN
Package
40PDIP
Device Core
80C51
Family Name
80C
Maximum Speed
33 MHz
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
32
Interface Type
UART
Number Of Timers
3
Ram Size
256 Byte
Program Memory Type
ROMLess
Operating Temperature
-40 to 85 °C
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
P80C32X2FN
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Company:
Part Number:
P80C32X2FN,112
Manufacturer:
HONGFA
Quantity:
16 000
Company:
Part Number:
P80C32X2FNЈ¬112
Manufacturer:
NXP
Quantity:
2 061
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