C515C Datasheet, PDF (26/69 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

C515C
Table 4
Contents of the SFRs, SFRs in numeric order of their addresses
Addr Register Content Bit 7
after
Reset¹⁾
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
80H ²⁾ P0
FFH
.7
.6
.5
.4
.3
.2
.1
.0
81H SP
07H
.7
.6
.5
.4
.3
.2
.1
.0
82H DPL
00H
.7
.6
.5
.4
.3
.2
.1
.0
83H DPH
00H
.7
.6
.5
.4
.3
.2
.1
.0
86H WDTREL 00H
WDT .6
.5
.4
.3
.2
.1
.0
PSEL
87H PCON
88H ²⁾ TCON
88H ³⁾ PCON1
89H TMOD
8AH TL0
8BH TL1
8CH TH0
8DH TH1
90H ²⁾ P1
00H
00H
0XXX-
XXXXB
00H
00H
00H
00H
00H
FFH
SMOD
TF1
EWPD
GATE
.7
.7
.7
.7
T2
PDS
TR1
–
C/T
.6
.6
.6
.6
CLK-
OUT
IDLS SD
TF0 TR0
–
–
M1
.5
.5
.5
.5
T2EX
M0
.4
.4
.4
.4
INT2
GF1 GF0
IE1 IT1
–
–
GATE
.3
.3
.3
.3
INT6
C/T
.2
.2
.2
.2
INT5
PDE
IE0
–
M1
.1
.1
.1
.1
INT4
IDLE
IT0
–
M0
.0
.0
.0
.0
INT3
91H XPAGE 00H
.7
.6
.5
.4
.3
.2
.1
.0
92H DPSEL XXXX- –
–
–
–
–
.2
.1
.0
X000B
93H SSCCON 07H
SCEN TEN MSTR CPOL CPHA BRS2 BRS1 BRS0
94H STB
XXH .7
.6
.5
.4
.3
.2
.1
.0
95H SRB
XXH .7
.6
.5
.4
.3
.2
.1
.0
96H SSCMOD 00H
LOOPB TRIO 0
0
0
0
0
LSBSM
98H ²⁾ SCON 00H
SM0 SM1 SM2 REN TB8 RB8 TI
RI
99H SBUF XXH .7
.6
.5
.4
.3
.2
.1
.0
9AH IEN2
X00X- –
–
EX8 EX7 –
ESSC ECAN –
X00XB
A0H²⁾ P2
FFH
.7
.6
.5
.4
.3
.2
.1
.0
A8H²⁾ IEN0
00H
EA
WDT ET2 ES
ET1 EX1 ET0 EX0
1) X means that the value is undefined and the location is reserved
2) Bit-addressable special function registers
3) SFR is located in the mapped SFR area. For accessing this SFR, bit RMAP in SFR SYSCON must be set.
Semiconductor Group
26
1997-07-01