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33 Appendix C
C.2.1 Register Format
Table C.1: Register Offset Address Table
Base
Address +
HEX
PCM-3780 Register Format
151413 12 11 10 9 8 76543 21 0
00h W Counter 0 Mode Register
CM
15
CM
14
CM1
3
CM1
2
CM1
1
CM1
0
CM
9
CM
8
CM
7
CM
6
CM
5
CM
4
CM
3
CM
2
CM
1
CM
0
RN/A
02h W Counter 0 Load Register
CL
15
CL1
14
CL13 CL12 CL11 CL10 CL9 CL8 CL
7
CL
6
CL
5
CL
4
CL
3
CL
2
CL
1
CL
0
RN/A
04h W Counter 0 Hold Register
CH
15
CH1
14
CH1
3
CH1
2
CH1
1
CH1
0
CH
9
CH
8
CH
7
CH
6
CH
5
CH
4
CH
3
CH
2
CH
1
CH
0
RN/A
06h W Counter 0 Command Register
C2 C1 C0
RN/A
08h W Counter 1 Mode Register
CM
15
CM
14
CM1
3
CM1
2
CM1
1
CM1
0
CM
9
CM
8
CM
7
CM
6
CM
5
CM
4
CM
3
CM
2
CM
1
CM
0
RN/A
A0h W Counter 1 Load Register
CL
15
CL1
14
CL13 CL12 CL11 CL10 CL9 CL8 CL
7
CL
6
CL
5
CL
4
CL
3
CL
2
CL
1
CL
0
RN/A
C0h W Counter 1 Hold Register
CH
15
CH1
14
CH1
3
CH1
2
CH1
1
CH1
0
CH
9
CH
8
CH
7
CH
6
CH
5
CH
4
CH
3
CH
2
CH
1
CH
0
RN/A
E0h W Counter 1 Command Register
C2 C1 C0
RN/A
20h W Counter Command Enable Register
CE
1
CE
0
RN/A