參數(shù)資料
型號: KS16114
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 9600/14400 bps FAX MODEM
中文描述: 14400分之9600基點傳真調(diào)制解調(diào)器
文件頁數(shù): 8/69頁
文件大?。?/td> 513K
代理商: KS16114
KS16112/4
9600/14400 bps FAX MODEM
-
8
-
Pin No.
Symbol
Type
Description
Cable 1 and Cable 2 equalizer select
These two inputs are used to select equalization for the following
cable lengths :
CABL2
CABL1
CABL2
XCLKO
YCLKO
SEPXO
SEPYO
SEPCLK
SEPWCLK
XCLK output
This output pin is a 12MHz ( KS16112 ) or 19MHz ( KS16114 )
square wave output derived from XTALI.
YCLK output
This output pin is a 6MHz ( KS16112 ) or 9.5MHz ( KS16114 )
square ware output derived from XTALI.
Serial eye pattern bit data
These two outputs provide two serial bit streams containing eye
pattern display data for the oscilloscope X and Y axis.
The data words are 9 bits long with the sign bit shifted out first
and the bits clocked by the rising edge of SEPCLK.
Serial eye pattern bit clock
SEPCLK is a 230.4KHz clock used to shift the eye pattern data
into the serial-to-parallel converters.
SEPXO and SEPYO are shifted out by the modem on the rising
edge of SEPCLK.
CABLE TYPE
LENGTH
Gain (dB)
CABL1 LENGTH
700Hz
1500Hz 2000Hz 3000Hz
low
low
high
high
low
high
low
high
0.0Km
1.8Km
3.6Km
7.2Km
0.00
-0.99
-2.39
-3.93
0.00
-0.20
-0.65
-1.22
0.00
0.15
0.87
1.90
0.00
1.43
3.06
4.58
Serial eye pattern word clock
SEPWCLK ( 9600Hz ) provides SEPXO and SEPYO 9 - bit word
timing and its rising edge is used for copying the output of the
serial to parallel converters into the X and Y digital-to-analog
converters.
40
41
13
14
23
26
22
21
I
O
O
O
O
O
O
PIN DESCRIPTION
( Continued )
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