DS80C320-ECD DALLAS [Dallas Semiconductor], DS80C320-ECD Datasheet - Page 15

• Manufacturer Part Number: DS80C320-ECD
• Description: High-Speed Microcontroller User Guide
• Manufacturer: DALLAS [Dallas Semiconductor]

DS83C520/DS87C520 SPECIAL FUNCTION REGISTER RESET VALUES
Table 4-6
REGISTER
P0
SP
DPL
DPH
DPL1
DPH1
DPS
PCON
TCON
TMOD
TL0
TL1
TH0
TH1
CKCON
P1
EXIF
SCON0
SBUF0
P2
IE
SADDR0
SADDR1
P3
IP
SADEN0
SADEN1
SCON1
SBUF1
ROMSIZE
PMR
STATUS
TA
T2CON
T2MOD
RCAP2L
RCAP2H
TL2
TH2
PSW
WDCON
ACC
EIE
B
EIP
BIT 7
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
-
-
-
-
-
SPECIAL
BIT 6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
-
-
-
-
BIT 5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
-
-
-
-
-
SPECIAL
SPECIAL
BIT 4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
-
-
-
-
15 of 175
SPECIAL
BIT 3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
-
-
SPECIAL
SPECIAL
BIT 2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
-
High-Speed Microcontroller User’s Guide
SPECIAL
SPECIAL
BIT 1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
BIT 0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
1
0
0
0
1
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
ADDRESS
AAh
BAh
CAh
CBh
CCh
CDh
8Ah
8Dh
A0h
A8h
A9h
D0h
D8h
8Bh
8Ch
8Eh
B0h
B8h
B9h
C0h
C1h
C2h
C4h
C5h
C7h
C8h
C9h
E0h
E8h
80h
81h
82h
83h
84h
85h
86h
87h
88h
89h
90h
91h
98h
99h
F0h
F8h