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P89V51RB2BBC датащи(PDF) 13 Page - NXP Semiconductors

номер детали P89V51RB2BBC
подробное описание детали  8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller with 1 kB RAM
PDF  80 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

P89V51RB2BBC датащи(HTML) 13 Page - NXP Semiconductors

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[1]
Unimplemented bits in SFRs (labeled ’-’) are ‘X’s (unknown) at all times. Unless otherwise specified, ‘1’s should not be written to these bits since they may be used for other
purposes in future derivatives. The reset values shown for these bits are ‘0’s although they are unknown when read.
SADDR
Serial Port Address Register
A9H
SADEN
Serial Port Address Enable
B9H
Bit address
87[1]
86[1]
85[1]
84[1]
83[1]
82[1]
81[1]
80[1]
SPCTL
SPI Control Register
D5H
SPIE
SPEN
DORD
MSTR
CPOL
CPHA
SPR1
SPR0
SPCFG
SPI Configuration Register
AAH
SPIF
SPWCOL
-
-
----
SPDAT
SPI Data
86H
SP
Stack Pointer
81H
Bit address
8F
8E
8D
8C
8B
8A
89
88
TCON*
Timer Control Register
88H
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
Bit address
CF
CE
CD
CC
CB
CA
C9
C8
T2CON*
Timer2 Control Register
C8H
TF2
EXF2
RCLK
TCLK
EXEN2
TR2
C/T2
CP/RL2
T2MOD
Timer2 Mode Control
C9H
-
-
ENT2
T2OE
DCEN
TH0
Timer 0 HIGH
8CH
TH1
Timer 1 HIGH
8DH
TH2
Timer 2 HIGH
CDH
TL0
Timer 0 LOW
8AH
TL1
Timer 1 LOW
8BH
TL2
Timer 2 LOW
CCH
TMOD
Timer 0 and 1 Mode
89H
GATE
C/T
M1
M0
GATE
C/T
M1
M0
WDTC
Watchdog Timer Control
C0H
-
-
-
WDOUT
WDRE
WDTS
WDT
SWDT
WDTD
Watchdog Timer Data/Reload
85H
Table 4.
Special function registers …continued
* indicates SFRs that are bit addressable
Name
Description
SFR
address
Bit functions and addresses
MSB
LSB



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