C517A Datasheet, PDF (24/67 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

C517A
Table 4
Contents of the SFRs, SFRs in numeric order of their addresses (cont’d)
Addr Register Content Bit 7
after
Reset¹⁾
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
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
C0H²⁾ IRCON0 00H
C1H CCEN 00H
.7
.6
.5
.4
.3
.2
.1
.0
.7
.6
.5
.4
.3
.2
.1
.0
.7
.6
.5
.4
.3
.2
.1
.0
EAL WDT ET2 ES0 ET1 EX1 ET0 EX0
OWDS WDTS .5
.4
.3
.2
.1
.0
.7
.6
.5
.4
.3
.2
.1
.0
RD WR T1
T0
INT1 INT0 TxD0 RxD0
–
–
–
–
–
–
XMAP1 XMAP0
EXEN2 SWDT EX6 EX5 EX4 EX3 EX2 EADC
–
–
.5
.4
.3
.2
.1
.0
–
–
–
–
–
–
.1
.0
–
–
–
–
–
–
.1
.0
EXF2 TF2 IEX6 IEX5 IEX4 IEX3 IEX2 IADC
COCA COCAL COCA COCAL COCA COCAL COCA COCA
H3
3
H2
2
H1
1
H0
L0
C2H CCL1 00H
C3H CCH1 00H
C4H CCL2
00H
C5H CCH2 00H
C6H CCL3
00H
C7H CCH3 00H
C8H²⁾ T2CON 00H
C9H CC4EN 00H
.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
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
24
1997-10-01