
44
AT85C51SND3Bx
7632A–MP3–03/06
SINT 1.A8h SIO Interrupt - - EOTI OEI PEI FEI TI RI
SIEN 1.A9h SIO Interrupt Enable - - EOTIE OEIE PEIE FEIE TIE RIE
SBUF 1.AAh SIO Data Buffer SIOD7:0
SBRG0 0.92h SIO Baud Rate Generator 0 CDIV7:0
SBRG1 0.93h SIO Baud Rate Generator 1 BDIV7:0
SBRG2 0.94h SIO Baud Rate Generator 2 ADIV7:0
Table 56. Serial I/O Port SFRs
MnemonicAddName 76543210
Table 57. LCD Interface SFRs
Mnemonic Add Name 7 6 5 4 3 2 1 0
LCDCON0 1.96h LCD Control 0 BUINV LCIFS ADSUH1 ADSUH0 ACCW3 ACCW2 ACCW1 ACCW0
LCDCON1 1.8Eh LCD Control 1 SLW1:0 RSCMD LCYCW LCYCT LCEN LCRD LCRS
LCDSTA 1.8Fh LCD Status - - - - - - - LCBUSY
LCDDAT 1.97h LCD Data LD7:0
LCDBUM 1.8Dh LCD Busy Mask BUM7:0
Table 58. Keyboard Interface SFRs
Mnemonic Add Name 7 6 5 4 3 2 1 0
KBCON 0.A3h Keyboard Control KINL3:0 KINM3:0
KBSTA 0.A4h Keyboard Status KPDE KDCPE KDCPL - KINF3:0
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