Maxim-integrated Teridian V.22 bis Linux Softmodem for 73M1822/73M1 Manual de usuario descargar pdf (Pagina 48)

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

48 Rev. 1.5

S22 General Modem Status Register 3



54 See following

Bit 2 Bit 1 Bit 0 Synchronous/Asynchronous control

0 0 0 Y0 Asynchronous mode

0 0 1 Y1 Synchronous mode

1 0 0 Y4 Pseudo-synchronous mode



1 1 0 Y6 Asynchronous with speed buffering

Bit 6 Bit 5 Bit 4 Bit 3 Select result codes

0 0 0 1 X0 Enable Result Codes 0-4.

0 0 0 0 X1 Enable Result Codes 0-5, 10.

0 0 1 0 X2 Enable Result Codes 0-6, 10.

0 1 0 0 X3 Enable Result Codes 0-5, 7, 10.



0 1 1 0 X4 Enable Result Codes 0-7, 10. (Default)

1 0 0 0

X5 Enable Result Codes 0-5, 10, and detect

BUSY at OFF HOOK.

1 0 1 0

X6 Enable Result Codes 0-6, 10, and detect

BUSY at OFF HOOK.

1 1 0 0

X7 Enable Result Codes 0-5, 7, 10, and

detect BUSY at OFF HOOK.

1 1 1 0

X8 Enable Result Codes 0-7, 10, and detect

BUSY at OFF HOOK.

 Bit 7

0 Pulse dialing make/break ration = 39/61

1 Pulse dialing make/break ration = 33/67

S26 Data Mode Control Register



0 See following

Bit 0 Forces rate change to 1200bps



Bit 1 0 Disables speed negotiation during a retrain request

1 Enables speed negotiation during a retrain request



Bit 2 0 Disables automatic retrain requests

1 Enables an automatic retrain request to be negotiated



Bit 3 0 Disables retrain request response

1 Enables the modem to respond to a retrain request

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 68 69

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Maxim-integrated Teridian V.22 bis Linux Softmodem for 73M1822/73M1 Manual de usuario Pagina 48

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