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P83C266BDR Datenblatt(PDF) 75 Page - NXP Semiconductors

Teilenummer P83C266BDR
Bauteilbeschribung  80C51 8-bit CPU
PDF  92 Pages
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Hersteller  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P83C266BDR Datenblatt(HTML) 75 Page - NXP Semiconductors

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19 SPECIAL FUNCTION REGISTERS ADDRESS MAP
The SFRs are presented in ascending address order in Table 89 to aid designer/programmers quick reference.
Table 89 SFRs address map
ADDRESS
NAME
76543210
80H(1)
P0 latch
P07
P06
P05
P04
P03
P02
P01
P00
81H(1)
Stack Pointer (SP)
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
82H(1)
Data Pointer Low (DPL)
DPL7
DPL6
DPL5
DPL4
DPL3
DPL2
DPL1
DPL0
83H(1)
Data Pointer High (DPH)
DPH7
DPH6
DPH5
DPH4
DPH3
DPH2
DPH1
DPH0
86H
I2C-bus Port Control Register (I2CCON)
−−−−−
I2CE
−−
87H(1)
Power Control Register (PCON)
−−−
WLE
GF1
GF0
0
IDL
88H(1)
Timer/Counter Control Register (TCON)
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
89H(1)
Timer/Counter Mode Control Register (TMOD)
Gate
C/T
M1
M0
Gate
C/T
M1
M0
8AH(1)
Timer 0 Low byte (TL0)
TL07
TL06
TL05
TL04
TL03
TL02
TL01
TL00
8BH(1)
Timer 1 Low byte (TL1)
TL17
TL16
TL15
TL14
TL13
TL12
TL11
TL10
8CH(1)
Timer 0 High byte (TH0)
TH07
TH06
TH05
TH04
TH03
TH02
TH01
TH00
8DH(1)
Timer 1 High byte (TH1)
TH17
TH16
TH15
TH14
TH13
TH12
TH11
TH10
90H(1)
P1 latch
P17
P16
P15
P14
P13
P12
P11
P10
98H
P5 latch
P57
P56
P55
P54
P53
P52
P51
P50
99H
OSD Attribute Register (OSAT)
−−−
T4
T3
T2
T0
9AH
OSD Character Data Register (OSDT)
C7
C6
C5
C4
C3
C2
C1
C0
9BH
OSD Address Register (OSAD)
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
9CH
OSD Default Register (OSDDEF)
R
G
B
SV
SH
M1
M0
A0H(1)
P2 latch
P27
P26
P25
P24
P23
P22
P21
P20
A8H(1)
Interrupt Enable Register 0 (IEN0)
EA
ES1
ET1
EX1
ET0
EX0
B0H(1)
P3 latch
−−−−
P33
P32
P31
P30
B8H(1)
Interrupt Priority Register 0 (IP0)
−−
PS1
PT1
PX1
PT0
PX0
C0H
Interrupt Request Register 1 (IRQ1)
IQ9
IQ7
IQ6
IQ5
IQ4
IQ3
IQ2
C1H
OSD Control Register 1 (OSCON)
Split
Mesh
Mode
Hp
Vp
Bp
BF
OSDE
C2H
OSD Vertical Start Register (OSORGV)
−−
VP5
VP4
VP3
VP2
VP1
VP0
C3H
OSD Horizontal Start Register (OSORGH)
HP6
HP5
HP4
HP3
HP2
HP1
HP0
C4H
OSD PLL Register (OSPLL)
PLL7
PLL6
PLL5
PLL4
PLL3
PLL2
PLL1
PLL0
C5H
OSD Start Register (OSSTART)
START7 START6 START5 START4 START3 START2 START1 START0



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