Scon1; Saddr1; Saden1; Bgcon - Intel 8XC251SA Hardware Description

8xC251Tx Hardware Description
CH00000
F8
F0 B
00000000
E8 CL
00000000
E0 ACC
00000000
D8 CCON CMOD
00x00000 00xxx000
D0 PSW PSW1
00000000 00000000
C8 T2CON T2MOD
00000000 xxxxxx00
C0
B8 IPL0 SADEN
x0000000 00000000
B0 P3 IE1
11111111 xxxxxxx0
A8 IE0 SADDR
00000000 00000000
A0 P2
11111111
98 SCON SBUF
00000000 xxxxxxxx
90 P1
11111111
88 TCON000 TMOD
00000 00000000
80 P0 SP
11111111 00000111
NOTE: Registers in this font are special functions registers that are associated with the second serial I/O
port.

Table 3. Special Function Register (SFR) Map

CCAP0Hx CCAP1Hx
000 xxxxxxx
CCAP0L CCAP1L
xxxxxxxx xxxxxxxx
CCAPM0 CCAPM1
x0000000 x0000000
RCAP2L RCAP2H
00000000 00000000

SADEN1

00000000
IP1L IP1H
xxxxxxx0 xxxxxxx0

SADDR1

00000000

SCON1

SBUF1
00000000 xxxxxxxx
TL0 TL1
00000000 00000000
DPL DPH
00000000 00000000
CCAP2Hx
xxxxxxx xxxxxxx
CCAP2L
xxxxxxxx
CCAPM2
x0000000
TL2
00000000
TH0
00000000
DPXL
00000001
6
CCAP3Hx CCAP4Hx
xxxxxxx xxxxxxx
CCAP3L CCAP4L
xxxxxxxx xxxxxxxx
CCAPM3 CCAPM4
x0000000 x0000000
TH2
00000000
SPH
00000000
WDTRST
xxxxxxxx
TH1
00000000
IPH0
x0000000
WCON
xxxxxxxx

BGCON

0000xxxx
PCON
00xx0000