DS80C320-MCG Datasheet, PDF (14/175 Pages) Dallas Semiconductor – High-Speed Microcontroller User Guide

High-Speed Microcontroller User’s Guide
DS83C520/DS87C520 SPECIAL FUNCTION REGISTER LOCATIONS
Table 4-5
REGISTER BIT 7 BIT 6 BIT 5 BIT 4
BIT 3
BIT 2 BIT 1 BIT 0 ADDRESS
P0
P0.7
P0.6
P0.5
P0.4
P0.3
P0.2
P0.1 P0.0
80h
SP
81h
DPL
82h
DPH
83h
DPL1
84h
DPH1
85h
DPS
0
0
0
0
0
0
0
SEL
86h
PCON
SMOD_0 SMOD0 -
-
GF1
GF0
STOP IDLE
87h
TCON
TF1
TR1
TF0
TR0
IE1
IT1
IE0 IT0
88h
TMOD
GATE
C/ T
M1
M0
GATE
C/ T
M1
M0
89h
TL0
8Ah
TL1
8Bh
TH0
8Ch
TH1
8Dh
CKCON
WD1
WD0 T2M T1M T0M
MD2
MD1 MD0
8Eh
P1
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1 P1.0
90h
EXIF
IE5
IE4
IE3
IE2
XT/ RG
RGMD RGSL BGS
91h
SCON0
SM0/FE_0 SM1_0 SM2_0 REN_0 TB8_0
RB8_0 TI_0 RI_0
98h
SBUF0
99h
P2
P2.7
P2.6
P2.5
P2.4
P2.3
P2.2
P2.1 P2.0
A0h
IE
EA
ES1
ET2
ES0
ET1
EX1
ET0 EX0
A8h
SADDR0
A9h
SADDR1
AAh
P3
P3.7
P3.6
P3.5
P3.4
P3.3
P3.2
P3.1 P3.0
B0h
IP
-
PS1
PT2
PS0
PT1
PX1
PT0 PX0
B8h
SADEN0
B9h
SADEN1
BAh
SCON1
SM0/FE_1 SM1_1 SM2_1 REN_1 TB8_1
RB8_1 TI_1 RI_1
C0h
SBUF1
C1h
ROMSIZE -
-
-
-
-
RMS2 RMS1 RMS0
C2h
PMR
CD1
CD0
SWB -
XTOFF
ALEOFF DME1 DME0
C4h
STATUS PIP
HIP
LIP
XTUP SPTA1
SPRA1 SPTA0 SPRA0
C5h
TA
C7h
T2CON
TF2
EXF2 RCLK TCLK EXEN2
TR2
C/ T2 CP/ RL2
C8h
T2MOD
-
-
-
-
-
-
T2OE DCEN
C9h
RCAP2L
CAh
RCAP2H
CBh
TL2
CCh
TH2
CDh
PSW
CY
AC
F0
RS1
RS0
OV
F1
P
D0h
WDCON SMOD_1 POR EPFI PFI
WDIF
WTRF EWT RWT
D8h
ACC
E0h
EIE
-
-
-
EWDI EX5
EX4
EX3 EX2
E8h
B
F0h
EIP
-
-
-
PWD1 PX5
PX4
PX3 PX2
F8h
Shaded bits are Timed Access protected
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