8xC251Tx Hardware Description
6
Table 3. Special Function Register (SFR ) Map
F8 CH00000
000 CCAP0Hx
xxxxxxx CCAP1Hx
xxxxxxx CCAP2Hx
xxxxxxx CCAP3Hx
xxxxxxx CCAP4Hx
xxxxxxx
F0 B
00000000
E8 CL
00000000 CCAP0L
xxxxxxxx CCAP1L
xxxxxxxx CCAP2L
xxxxxxxx CCAP3L
xxxxxxxx CCAP4L
xxxxxxxx
E0 ACC
00000000
D8 CCON
00x00000 CMOD
00xxx000 CCAPM0
x0000000 CCAPM1
x0000000 CCAPM2
x0000000 CCAPM3
x0000000 CCAPM4
x0000000
D0 PSW
00000000 PSW1
00000000
C8 T2CON
00000000 T2MOD
xxxxxx00 RCAP2L
00000000 RCAP2H
00000000 TL2
00000000 TH2
00000000
C0
B8 IPL0
x0000000 SADEN
00000000 SADEN1
00000000 SPH
00000000
B0 P3
11111111 IE1
xxxxxxx0 IP1L
xxxxxxx0 IP1H
xxxxxxx0 IPH0
x0000000
A8 IE0
00000000 SADDR
00000000 SADDR1
00000000
A0 P2
11111111 WDTRST
xxxxxxxx WCON
xxxxxxxx
98 SCON
00000000 SBUF
xxxxxxxx SCON1
00000000 SBUF1
xxxxxxxx
90 P1
11111111
88 TCON000
00000 TMOD
00000000 TL0
00000000 TL1
00000000 TH0
00000000 TH1
00000000 BGCON
0000xxxx
80 P0
11111111 SP
00000111 DPL
00000000 DPH
00000000 DPXL
00000001 PCON
00xx0000
NOTE: Registers in this fo n t a r e spec ia l f un cti ons r egis te rs t ha t ar e as so ciat ed wit h the se con d s eri al I/O
port.