C517A_99 Datasheet, PDF (42/218 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

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C517A
Table 3-2
Contents of the SFRs, SFRs in numeric order of their addresses (cont’d)
Addr Register Content Bit 7
after
Reset¹⁾
Bit 6
Bit 5
A4H COMCLRH 00H
A5H SETMSK 00H
A6H CLRMSK 00H
A8H²⁾ IEN0
00H
A9H IP0
00H
AAH S0RELL D9H
B0H²⁾ P3
FFH
B1H SYSCON XXXX-
XX01B
B8H²⁾ IEN1
00H
B9H IP1
XX00-
0000B
BAH S0RELH XXXX-
XX11B
BBH S1RELH XXXX-
XX11B
C0H IRCON0 00H
2)
.7
.6
.5
.7
.6
.5
.7
.6
.5
EAL WDT ET2
OWDS WDTS .5
.7
.6
.5
RD WR T1
–
–
–
EXEN2 SWDT EX6
–
–
.5
–
–
–
–
–
–
EXF2 TF2 IEX6
Bit 4
.4
.4
.4
ES0
.4
.4
T0
–
EX5
.4
–
–
IEX5
Bit 3
.3
.3
.3
ET1
.3
.3
INT1
–
EX4
.3
–
–
IEX4
Bit 2
.2
.2
.2
EX1
.2
.2
INT0
–
EX3
.2
–
–
IEX3
Bit 1 Bit 0
.1
.0
.1
.0
.1
.0
ET0 EX0
.1
.0
.1
.0
TxD0 RxD0
XMAP1 XMAP0
EX2 EADC
.1
.0
.1
.0
.1
.0
IEX2 IADC
C1H CCEN 00H
C2H CCL1
00H
C3H CCH1 00H
C4H CCL2
00H
C5H CCH2 00H
C6H CCL3
00H
C7H CCH3 00H
C8H T2CON 00H
2)
COCA COCA COCA COCA COCA COCA COCA COCA
H3
L3
H2
L2
H1
L1
H0
L0
.7
.6
.5
.4
.3
.2
.1
.0
.7
.6
.5
.4
.3
.2
.1
.0
.7
.6
.5
.4
.3
.2
.1
.0
.7
.6
.5
.4
.3
.2
.1
.0
.7
.6
.5
.4
.3
.2
.1
.0
.7
.6
.5
.4
.3
.2
.1
.0
T2PS I3FR I2FR T2R1 T2R0 T2CM T2I1 T2I0
C9H CC4EN 00H
COCO COCO COCO COCO COCO COCA COCA COMO
EN1 N2
N1
N0 EN0 H4
L4
1) X means that the value is undefined and the location is reserved
2) Shaded registers are bit-addressable special function registers
Semiconductor Group
3-16