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ST75C540 数据表(PDF) 52 Page - STMicroelectronics

部件名 ST75C540
功能描述  SUPER INTEGRATED DEVICESWITH DSP, AFE & MEMORIES FORTELEPHONY,MODEM, FAXOVERINTERNET& POTSLINES
PDF  84 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST75C540 数据表(HTML) 52 Page - STMicroelectronics

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The STAOP2 Bits have the following meanings in Data Modem mode :
HSHK_PHA (R)
Handshake progression counter contains information abou t the progress of the
hadshake in V.32 and V.22bis modes. This 8-bit value is available in STAOP2 in modem
mode. It can be read to examine the progressio of the handshake and it contains normal
values and error values as below :
AUTOBAUD ORIG MODE
Event
HSHK_PHA Value
Wait Answer Tone
Wait End Answer Tone
Not Autobaud and Waiting
USC1
Autobaud Waiting AC or USC1
$01
$02
$03
$04
AUTOBAUD ANSW MODE
Event
HSHK_PHA Value
Waiting HSK Command
Generating Answer Tone
Generating Silence
$10
$11
$12
V.32 ORIG MODE
EVENT
HSHK_PHA Normal Value
HSHK_PHA Error Value
AC_DET
AC/CA DET
CA/AC DET
NO AC DET
S_DET
SB_DET
R1_DET
S_DET
SB_DET
R3_DET
E_DET
DATA_MODE
$20
$21
$22
$23
$24
$25
$26
$27
$28
$29
$2A
$30
$1
$2
$B for RTN, $C for RTN
$4
$5
$6
$7
$8
$9, $D no R5 det after RRN
$A
V.32 ANSW MODE
EVENT
HSHK_PHA Normal Value
HSHK_PHA Error Value
AA_DET
AA/CC DET
NO CC DET
S_DET
SB_DET2
SB_DET
R2_DET
E_DET
DATA_MODE
$40
$41
$42
$43
$44
$45
$46
$47
$50
$8 for RTN, $9 for RRN
$1
$2
$3
$4
$5
$6, $A if no R det after RRN
$7
V.22bis ORIG MODE
EVENT
HSHK_PHA Normal Value
HSHK
USC1_DET
SCR1_DET
S1_DET
DATA_MODE
$60
$61
$62
$63
$70
V.22bis ANSW MODE
EVENT
HSHK_PHA Normal Value
HSHK
SCR1_DET
S1_DET
DATA_MODE
$80
$82
$83
$90
VIII - STATUS DESCRIPTION (continued)
ST75C530 - ST75C540
52/84



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