DS87C530 Maxim, DS87C530 Datasheet - Page 9

• Manufacturer Part Number: DS87C530
• Description: The DS87C530/DS83C530 EPROM/ROM microcontrollers with a real-time clock (RTC) are 8051-compatible microcontrollers based on the Dallas Semiconductor high-speed core
• Manufacturer: Maxim

Table 1. Special Function Register Locations
* Functions not present in the 80C52 are in bold.
P0
SP
DPL
DPH
DPL1
DPH1
DPS
PCON
TCON
TMOD
TL0
TL1
TH0
TH1
CKCON
P1
EXIF
TRIM
SCON0
SBUF0
P2
IE
SADDR0
SADDR1
P3
IP
SADEN0
SADEN1
SCON1
SBUF1
ROMSIZE
PMR
STATUS
TA
T2CON
T2MOD
RCAP2L
RCAP2H
REGISTER
SM0/FE_1
SM0/FE_0
SMOD_0
GATE
BIT 7
WD1
E4K
CD1
P0.7
P1.7
P2.7
P3.7
TF1
PIP
TF2
IE5
EA
—
—
—
0
SMOD0
SM1_1
X12/ 6
SM1_0
BIT 6
EXF2
WD0
CD0
C/ T
P0.6
TR1
P1.6
P2.6
P3.6
HIP
ES1
PS1
IE4
—
—
0
SM2_0
SM2_1
TRM2
RCLK
BIT 5
SWB
DS87C530/DS83C530 EPROM/ROM Microcontrollers with Real-Time Clock
T2M
P0.5
P1.5
P2.5
P3.5
ET2
TF0
PT2
LIP
IE3
M1
—
—
—
0
REN_1
REN_0
TRM2
XTUP
TCLK
BIT 4
T1M
P0.4
TR0
P1.4
P2.4
P3.4
ES0
IE2
PS0
M0
—
—
—
—
0
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XTOFF
XT/RG
EXEN2
SPTA1
TRM1
TB8_1
TB8_0
GATE
BIT 3
T0M
P0.3
P1.3
P2.3
P3.3
GF1
ET1
PT1
IE1
—
—
0
ALEOFF
RGMD
SPRA1
RB8_1
TRM1
RB8_0
RMS2
BIT 2
MD2
C/ T
EX1
P0.2
GF0
P1.2
P2.2
P3.2
PX1
TR2
IT1
—
0
SPTA0
TRM0
RMS1
DME1
RGSL
BIT 1
STOP
C/ T2
T2OE
MD1
TI_1
TI_0
P0.1
P1.1
P2.1
P3.1
ET0
PT0
IE0
M1
0
SPRA0
CP/ RL2
DME0
TRM0
RMS0
DCEN
BIT 0
IDLE
MD0
RI_1
BGS
RI_0
SEL
P0.0
P1.0
P2.0
EX0
P3.0
PX0
IT0
M0
ADDRESS
AAh
BAh
CAh
CBh
8Ah
8Bh
8Ch
8Dh
A0h
A8h
A9h
B0h
B8h
B9h
C0h
C1h
C2h
C4h
C5h
C7h
C8h
C9h
8Eh
80h
81h
82h
83h
84h
85h
86h
87h
88h
89h
90h
91h
96h
98h
99h