Owner manual

V.22 bis Linux Softmodem for 73M1x22 MicroDAA User Guide UG_1x22_043

52 Rev. 1.5

S65 DTMF Detect Register

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See following

Bit 7 indicates a valid DTMF detection. A register value of zero indicates no

detect for the polled application. Bits 6 - 4 are reserved. Bits 3 -

0 indicate the

tone pair detected. Works with command J6 and bit 7 have to be set in order to

be valid. The following tables define DTMF decoding:

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Valid N/A N/A N/A DTDET3 DTDET2 DTDET1 DTDET0

DTMF Detect bits Dialed Tone Pair Detected

Det Valid DTDET 3 DTDET 2 DTDET 1 DTDET 0 Digit

Low Tone

(Hz)

High Tone

(Hz)

1 0 0 0 0 D 941 1633

1 0 0 0 1 1 697 1209

1 0 0 1 0 2 697 1336

1 0 0 1 1 3 697 1477

1 0 1 0 0 4 770 1209

1 0 1 0 1 5 770 1336

1 0 1 1 0 6 770 1477

1 0 1 1 1 7 852 1209

1 1 0 0 0 8 852 1336

1 1 0 0 1 9 852 1477

1 1 0 1 0 0 941 1336

1 1 0 1 1 * 941 1209

1 1 1 0 0 # 941 1477

1 1 1 0 1 A 697 1633

1 1 1 1 0 B 770 1633

1 1 1 1 1 C 892 1633

S68 Test Timer

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0 0 second.

Times how long the self-tests should run in seconds.