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