Users Guide: DS80C390 Supplement Manual
High-Speed Microcontroller User’s Guide: DS80C390 Supplement 
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REGISTER  BIT 7  BIT 6  BIT 5  BIT 4  BIT 3  BIT 2  BIT 1  BIT 0  ADDRESS
SADDR0  A9h 
SADDR1  AAh 
C0M1C MSRDY  ETI  ERI  INTRQ  EXTRQ  MTRQ ROW/TIH DTUP  ABh 
C0M2C MSRDY  ETI  ERI  INTRQ  EXTRQ  MTRQ ROW/TIH DTUP  ACh 
C0M3C MSRDY  ETI  ERI  INTRQ  EXTRQ  MTRQ ROW/TIH DTUP  ADh 
C0M4C MSRDY  ETI  ERI  INTRQ  EXTRQ  MTRQ ROW/TIH DTUP  AEh 
C0M5C MSRDY  ETI  ERI  INTRQ  EXTRQ  MTRQ ROW/TIH DTUP  AFh 
P3 
RD /P3.7 
WR /P3.6 
T1/P3.5 T0/P3.4 INT1/P3.3 INT0/P3.2 TXD0/P3.1 RXD0/P3.0 B0h 
C0M6C MSRDY  ETI  ERI  INTRQ  EXTRQ  MTRQ ROW/TIH DTUP  B3h 
C0M7C MSRDY  ETI  ERI  INTRQ  EXTRQ  MTRQ ROW/TIH DTUP  B4h 
C0M8C MSRDY  ETI  ERI  INTRQ  EXTRQ  MTRQ ROW/TIH DTUP  B5h 
C0M9C MSRDY  ETI  ERI  INTRQ  EXTRQ  MTRQ ROW/TIH DTUP  B6h 
C0M10C MSRDY  ETI  ERI INTRQ  EXTRQ  MTRQ  ROW/TIH  DTUP  B7h 
IP  —  PS1 PT2 PS0 PT1 PX1 PT0 PX0 B8h 
SADEN0  B9h 
SADEN1  BAh 
C0M11C MSRDY  ETI  ERI INTRQ  EXTRQ  MTRQ  ROW/TIH  DTUP  BBh 
C0M12C MSRDY  ETI  ERI INTRQ  EXTRQ  MTRQ  ROW/TIH  DTUP  BCh 
C0M13C MSRDY  ETI  ERI INTRQ  EXTRQ  MTRQ  ROW/TIH  DTUP  BDh 
C0M14C MSRDY  ETI  ERI INTRQ  EXTRQ  MTRQ  ROW/TIH  DTUP  BEh 
C0M15C MSRDY  ETI  ERI INTRQ  EXTRQ  MTRQ  ROW/TIH  DTUP  BFh 
SCON1 SM0/FE_1  SM1_1  SM2_1  REN_1  TB8_1  RB8_1  TI_1  RI_1  C0h 
SBUF1  C1h 
PMR CD1  CD0  SWB CTM 
4X/
2X  
ALEOFF —  —  C4h 
STATUS PIP  HIP  LIP  —  SPTA1 SPRA1 SPTA0 SPRA0  C5h 
MCON  IDM1  IDM0  CMA  —  PDCE3  PDCE2  PDCE1  PDCE0  C6h 
TA  C7h 
T2CON TF2  EXF2 RCLK TCLK EXEN2 TR2 
C/
T2  CP/ RL2  
C8h 
T2MOD —  —  —  D13T1 D13T2  —  T2OE  DCEN  C9h 
RCAP2L  CAh 
RCAP2H  CBh 
TL2  CCh 
TH2  CDh 
COR  IRDACK  C1BPR7  C1BPR6  C0BPR7  C0BPR6  COD1  COD0  CLKOE  CEh 
PSW CY  AC  F0  RS1  RS0  OV  F1  P  D0h 
MCNT0 
LSHIFT  
CSE  SCE  MAS4 MAS3 MAS2 MAS1 MAS0  D1h 
MCNT1 MST MOF SCB CLM — — — — D2h 
MA  D3h 
MB  D4h 
MC  D5h 
C1RMS0  D6h 
C1RMS1  D7h 
WDCON SMOD_1  POR EPF1  PF1 WDIF WTRF  EWT  RWT D8h 
C1TMA0  DEh 
C1TMA1  DFh 
ACC  E0h 
C1C ERIE STIE  PDE  —  CRST  AUTOB ERCS  SWINT  E3h 
C1S BUSOFF CECE  WKS  RXS TXS ER2 ER1 ER0 E4h 
C1IR  INTIN7 INTIN6 INTIN5 INTIN4 INTIN3 INTIN2 INTIN1 INTIN0  E5h 
C1TE  E6h 
C1RE  E7h 
EIE CANBIE C0IE  C1IE  EWDI EX5  EX4  EX3 EX2 E8h 










