SC91710AS データシートの表示（PDF） - Silan Microelectronics

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SC91710AS

T/P SWITCHABLE DIALER WITH REDIAL HANDFREE FUNCTION

Silan Microelectronics 

SC91710A/B

C˅Pause Function

Procedure

:

Dial out

:

Dial out

:

LNB

:

↑ D1, D2… , Dn, P, C1 … , Cn ↓

Dt1, Dt2 ,… , Dtn, tP, Ct1, Ctn (in Tone mode)

Dp1, Dp2, … Dpn , tP, Cp1 … , Cpn (in Pulse mode)

D1, D2… , Dn, P , C1, C2 … , Cn

D˅Flash Function

1. Reset

Procedure

Dial out

Dial out

LNB

: ↑ D1, D2… , Dn, F, C1 … , Cn ↓

: Dt1, Dt2,… , Dtn , t F, tFP, Ct1 … , Ctn (in Tone mode)

: Dp1, Dp2,… , Dpn , tF, tFP, Cp1 … , Cpn (in Pulse mode)

: C1, C2 … , Cn

Handfree Function operation:

A) To execute Handfree function: When HFO = ’low’, HFI pin is active, the Handfree function will be enabled

(HFO = ’high’)

B) Reset Handfree function:

a. OFF-HOOK action.

b. When HFO = ’high’, a HFI pin is active again, the Handfree function will be reset (HFO=’low’).

Operating flow chart of Handfree

STATE NO.

(0) INITIAL STATE

(1) ON HKS HF LINE

(2) OFF HKS LINE

(3) OFF HKS HF LINE

PO

XMUTE

HFO

F

F

0

F

F

1

* F: Floating (Hi-impedance)

F

F

0

F

F

1

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Http: www.silan.com.cn

REV:2.2 2007.03.07

Page 8 of 18

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