Owner's manual

4-11
REGISTER ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0
P0 80h P0.7 P0.6 P0.5 P0.4 P0.3 P0.2 P0.1 P0.0
SP 81h
DPL 82h
DPH 83h
DPL1 84h
DPH1 85h
DPS 86h ID1 ID0 TSL AID — — — SEL
PCON 87h SMOD_0 SMOD0 OFDF OFDE GF1 GF0 STOP IDLE
TCON 88h TF1 TR1 TF0 TR0 IE1 IT1 IE0 IT0
TMOD 89h GATE C/T M1 M0 GATE C/T M1 M0
TL0 8Ah
TL1 8Bh
TH0 8Ch
TH1 8Dh
CKCON 8Eh WD1 WD0 T2M T1M T0M MD2 MD1 MD0
P1 90h P1.7 P1.6 P1.5 P1.4 P1.3 P1.2 P1.1 P1.0
EXIF 91h IE5 IE4 IE3 IE2 CKRY RGMD RGSL BGS
CKMOD 96h T2MH T1MH T0MH
SCON0 98h SM0/FE_0 SM1_0 SM2_0 REN_0 TB8_0 RB8_0 TI_0 RI_0
SBUF0 99h
RID 9Ah
ACON 9Dh PAGEE PAGES1 PAGES0
P2 A0h P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0
IE A8h EA ES1 ET2 ES0 ET1 EX1 ET0 EX0
SADDR0 A9h
SADDR1 AAh
P3 B0h P3.7 P3.6 P3.5 P3.4 P3.3 P3.2 P3.1 P3.0
IP1 B1h — MPS1 MPT2 MPS0 MPT1 MPX1 MPT0 MPX0
IP0 B8h — LPS1 LPT2 LPS0 LPT1 LPX1 LPT0 LPX0
SADEN0 B9h
SADEN1 BAh
SCON1 C0h SM0/FE_1 SM1_1 SM2_1 REN_1 TB8_1 RB8_1 TI_1 RI_1
SBUF1 C1h
ROMSIZE C2h PRAME RMS2 RMS1 RMS0
PMR C4h CD1 CD 0 SWB CTM 4X/ 2X ALEON DME1 DME0
STATUS C5h PIS2 PIS1 PIS0 — SPTA1 SPRA1 SPTA0 SPRA0
TA C7h
T2CON C8h TF2 EXF2 RCLK TCLK EXEN2 TR2 C/ T2 CP/ RL2
T2MOD C9h — — — — — — T2OE DCEN
RCAP2L CAh
RCAP2H CBh
TL2 CCh
TH2 CDh
PSW D0h CY AC F0 RS1 RS0 OV F1 P
FCNTL D5h FBUSY FERR FC3 FC2 FC1 FC0
FDATA D6h
WDCON D8h SMOD_1 POR EPFI PFI WDIF WTRF EWT RWT
ACC E0h
EIE E8h — — — EWDI EX5 EX4 EX3 EX2
B F0h
EIP1 F1h MPWDI MPX5 MPX4 MPX3 MPX2
EIP0 F8h — — — LPWDI LPX5 LPX4 LPX3 LPX2
Table 4-2. Special-Function Register Locations
Note: Shaded bits are timed-access protected.
Ultra-High-Speed Flash
Microcontroller User’s Guide
Maxim Integrated