P89V51RD2FN NXP Semiconductors, P89V51RD2FN Datasheet - Page 56
P89V51RD2FN
Manufacturer Part Number
P89V51RD2FN
Description
MCU 8-Bit 89V 80C51 CISC 64KB Flash 5V 40-Pin PDIP Tube
Manufacturer
NXP Semiconductors
Datasheet
1.P89V51RC2FBC557.pdf
(80 pages)
Specifications of P89V51RD2FN
Package
40PDIP
Device Core
80C51
Family Name
89V
Maximum Speed
40 MHz
Ram Size
1 KB
Program Memory Size
64 KB
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
32
Interface Type
SPI/UART
Operating Temperature
-40 to 85 °C
Number Of Timers
3
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Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
P89V51RD2FN
Manufacturer:
NXP
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1 000
Part Number:
P89V51RD2FN
Manufacturer:
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Part Number:
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NXP Semiconductors
P89V51RB2_RC2_RD2_5
Product data sheet
Fig 27. Interrupt structure
CCFn
SPIF
CF
brownout
ECCFn
SPIE
INT0#
INT1#
ECF
TF1
TF0
EXF2
TF2
RI
TI
0
1
0
1
Table 44.
Bit addressable; Reset value: 00H
Bit
Symbol
IT0
IT1
individual
enables
IEN0 - Interrupt enable register 0 (address A8H) bit allocation
IE0
IE1
EA
7
IE and IEA
registers
Rev. 05 — 12 November 2009
EC
6
global
disable
ET2
5
IP/IPH/IPA/IPAH
registers
ES
4
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
ET1
3
EX1
2
© NXP B.V. 2009. All rights reserved.
ET0
highest
priority
interrupt
1
002aaa544
interrupt
polling
sequence
lowest
priority
interrupt
EX0
56 of 80
0