
Chapter 15. Registers Page 15-3
15.2 Special Function Registers (SFR)
FX2 implements many control registers as SFRs (Special Function Registers). These SFRs are
shown in Table 15-1. Bold type indicates SFRs which are not in the standard 8051, but are
included in the FX2.
Table 15-1. FX2 Special Function Registers (SFR)
All unlabeled SFRs are reserved.
x 8x 9x Ax Bx Cx Dx Ex Fx
0 IOA IOB IOC IOD SCON1 PSW ACC B
1 SP EXIF INT2CLR IOE SBUF1
2 DPL0 MPAGE INT4CLR OEA
3 DPH0 OEB
4 DPL1 OEC
5 DPH1 OED
6 DPS OEE
7 PCON
8 TCON SCON0 IE IP T2CON EICON EIE EIP
9 TMOD SBUF0
A TL0 AUTOPTRH1 EP2468STAT EP01STAT RCAP2L
B TL1 AUTOPTRL1 EP24FIFOFLGS GPIFTRIG RCAP2H
C TH0 EP68FIFOFLGS TL2
D TH1 AUTOPTRH2 GPIFSGL-
DATH
TH2
E CKCON AUTOPTRL2 GPIFSGL-
DATLX
F AUTOPTR-
SETUP
GPIFSGL-
DATLNOX
Commentaires sur ces manuels