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P87LPC779 Scheda tecnica(PDF) 9 Page - NXP Semiconductors

Il numero della parte P87LPC779
Spiegazioni elettronici  CMOS single-chip 8-bit 80C51 microcontroller with 128-byte data RAM, 8 kB OTP
PDF  74 Pages
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Produttore elettronici  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P87LPC779 Scheda tecnica(HTML) 9 Page - NXP Semiconductors

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Table 3:
Special function registers
* indicates SFRs that are bit addressable.
Name
Description
SFR
addr.
Bit functions and addresses
Reset
value
MSB
LSB
Hex
Bit address
E7
E6
E5
E4
E3
E2
E1
E0
ACC*
Accumulator
E0H
00H
Bit address
C7
C6
C5
C4
C3
C2
C1
C0
ADCON* A/D Control
C0h
ENADC
ADCI
ADCS
RCCLK
AADR1
AADR0
02h
AUXR1
Auxiliary Function Register
A2h
KBF
BOD
BOI
LPEP
SRST
0
-
DPS
02h
Bit address
F7
F6
F5
F4
F3
F2
F1
F0
B*
B register
F0h
00H
CMP1
Comparator 1 control register
ACh
-
-
CE1
CP1
CN1
OE1
CO1
CMF1
00H
CMP2
Comparator 2 control register
ADh
-
-
CE2
CP2
CN2
OE2
CO2
CMF2
00H
DAC0
A/D Result / Read
DAC0 output value / Write
C5h
00H
DAC1
DAC1 output value
C6h
00H
DIVM
CPU clock divide-by-M control
95h
00H
DPTR
Data pointer (2 bytes)
DPH
Data pointer HIGH
83h
00H
DPL
Data pointer LOW
82h
00H
Bit address
CF
CE
CD
CC
CB
CA
C9
C8
I2CFG*
I2C-bus configuration register
C8h/RD
SLAVEN
MASTRQ
0
TIRUN
-
-
CT1
CT0
00H
C8h/WR
SLAVEN
MASTRQ
CLRTI
TIRUN
-
-
CT1
CT0
Bit address
DF
DE
DD
DC
DB
DA
D9
D8
I2CON*
I2C-bus control register
D8h/RD
RDAT
ATN
DRDY
ARL
STR
STP
MASTER
-
80h
D8h/WR
CXA
IDLE
CDR
CARL
CSTR
CSTP
XSTR
XSTP
I2DAT
I2C-bus data register
D9h/RD
RDAT
0
000000
80h
D9h/WR
XDAT
xxxxxxx
Bit address
AF
AE
AD
AC
AB
AA
A9
A8
IEN0*
Interrupt enable 0
A8h
EA
EWD
EBO
ES
ET1
EX1
ET0
EX0
00H
Bit address
EF
EE
ED
EC
EB
EA
E9
E8
IEN1*
Interrupt enable 1
E8h
ETI
-
EC1
EAD
-
EC2
EKB
EI2
00H



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