Maxim-integrated 73M1866B/73M1966B Implementers Guide Manual de usuario descargar pdf (Pagina 8)

73M1866B/73M1966B Implementer’s Guide UG_1x66B_016

8 Rev. 1.3

3.1.3 Call Progress Monitor Reset

If used in 16 kHz mode, the call progress monitor (CPM) circuit must be re-initialized by cycling the

SLEEP bit.

The registers used in this procedure are:

0x0F ENFEH

PWDN SLEEP Res Res Res Res Res

Write

X X 1/0 X X X X X

0x0D LOKDET SLHS Res Res RSTLSBI Res Res

Res

Read ? X X X X X X X

0x10 Res Res Res CMVSEL CMTXG1 CMTXG0 CMRXG1 CMRXG0

Write 0 0 0

VAL1 VAL2

VAL3

The temporary variables defined in this procedure are:

VAL1 = System appropriate value to write to the CMVSEL bit.

VAL2 = system appropriate value to write to the CMTXF[1:0] bits.

VAL3 = System appropriate value to write to the CMRXG[1:0] bits.

Begin

1. Write SLEEP = 1.

2. Wait 10 ms.

3. Write SLEEP = 0.

4. Wait 10 ms.

5. Read RG0D.

6. If LOKDET == 0 goto 5.

7. Write CMVSEL = VAL1, CMTXG[1:0] = VAL2 and CMRXG[1:0] = VAL3

to RG10.

End

CPM

Reset

SLEEP = 1

Wait 10 ms

SLEEP = 0

Wait 10 ms

LOKDET==0

CMVSEL = VAL1

CMTXG = VAL2

CMRXG = VAL3

Exit

Yes

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 28 29

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Maxim-integrated 73M1866B/73M1966B Implementers Guide Manual de usuario Pagina 8

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