m34116 STMicroelectronics, m34116 Datasheet - Page 20

• Manufacturer Part Number: m34116
• Description: Pcm Conference Call And Tone Generation Circuit
• Manufacturer: STMicroelectronics

M34116
APPENDIX 2
TONE GENERATION PROGRAMMING
Example 1:
f = 425Hz
Duration 200ms ON, 200ms OFF, 600ms ON, 1000ms OFF
Attenuation10dB
Channel #0.
Programming sequence:
Example 2:
f = 400Hz
Duration: 375ms ON, 375ms OFF
Attenuation5dB
Channel #3
Programming sequence:
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CS
CS
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RD
RD
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Control Signal
Control Signal
C/D
C/D
0
0
1
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0
1
WR
WR
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D7 . . . . D0
D7 . . . . D0
Data
Data
0AH
0CH
2DH
2DH
1FH
0CH
0CH
0CH
0CH
FFH
0CH
00H
06H
00H
06H
12H
00H
05H
03H
26H
00H