Manual

High-Speed Microcontroller User’s Guide
Rev: 062210 24 of 176
REGISTER BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 ADDRESS
RTCS 0 0 RTCS.5 RTCS.4 RTCS.3 RTCS.2 RTCS.1 RTCS.0 FBh
RTCM 0 0 RTCM.5 RTCM.4 RTCM.3 RTCM.2 RTCM.1 RTCM.0 FCh
RTCH DOW.2 DOW.1 DOW.0 RTCH.4 RTCH.3 RTCH.2 RTCH.1 RTCH.0 FDh
RTCD0 RTCD0.7 RTCD0.6 RTCD0.5 RTCD0.4 RTCD0.3 RTCD0.2 RTCD0.1 RTCD0.0 FEh
RTCD1 RTCD1.7 RTCD1.6 RTCD1.5 RTCD1.4 RTCD1.3 RTCD1.2 RTCD1.1 RTCD1.0 FFh
Note: Shaded bits are timed-access protected.
Table 4-H. DS87C530 SFR Reset Values
REGISTER BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 ADDRESS
P0 1 1 1 1 1 1 1 1 80h
SP 0 0 0 0 0 1 1 1 81h
DPL 0 0 0 0 0 0 0 0 82h
DPH 0 0 0 0 0 0 0 0 83h
DPL1 0 0 0 0 0 0 0 0 84h
DPH1 0 0 0 0 0 0 0 0 85h
DPS 0 0 0 0 0 0 0 0 86h
PCON 0 0 — — 0 0 0 0 87h
TCON 0 0 0 0 0 0 0 0 88h
TMOD 0 0 0 0 0 0 0 0 89h
TL0 0 0 0 0 0 0 0 0 8Ah
TL1 0 0 0 0 0 0 0 0 8Bh
TH0 0 0 0 0 0 0 0 0 8Ch
TH1 0 0 0 0 0 0 0 0 8Dh
CKCON 0 0 0 0 0 0 0 1 8Eh
P1 1 1 1 1 1 1 1 1 90h
EXIF 0 0 0 0 SPECIAL SPECIAL SPECIAL 0 91h
TRIM SPECIAL SPECIAL SPECIAL SPECIAL SPECIAL SPECIAL SPECIAL SPECIAL 9 6h
SCON0 0 0 0 0 0 0 0 0 98h
SBUF0 0 0 0 0 0 0 0 0 99h
P2 1 1 1 1 1 1 1 1 A0h
IE 0 0 0 0 0 0 0 0 A8h
SADDR0 0 0 0 0 0 0 0 0 A9h
SADDR1 0 0 0 0 0 0 0 0 AAh
P3 1 1 1 1 1 1 1 1 B0h
IP — 0 0 0 0 0 0 0 B8h
SADEN0 0 0 0 0 0 0 0 0 B9h
SADEN1 0 0 0 0 0 0 0 0 BAh
SCON1 0 0 0 0 0 0 0 0 C0h
SBUF1 0 0 0 0 0 0 0 0 C1h
ROMSIZE — — — — — 1 0 1 C2h
PMR 0 1 0 - 0 0 0 0 C4h
STATUS 0 0 0 SPECIAL 0 0 0 0 C5h
TA 1 1 1 1 1 1 1 1 C7h
T2CON 0 0 0 0 0 0 0 0 C8h
T2MOD — — — — — — 0 0 C9h
RCAP2L 0 0 0 0 0 0 0 0 CAh
RCAP2H 0 0 0 0 0 0 0 0 CBh
TL2 0 0 0 0 0 0 0 0 CCh
TH2 0 0 0 0 0 0 0 0 CDh
PSW 0 0 0 0 0 0 0 0 D0h
WDCON 0 SPECIAL 0 SPECIAL 0 SPECIAL SPECIAL 0 D8h
ACC 0 0 0 0 0 0 0 0 E0h
EIE — — 0 0 0 0 0 0 E8h