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參數(shù)資料
| 型號： | S5N8951X |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | G.dmt ADSL Analog Front End IC |
| 中文描述： | G.dmt ADSL模擬前端IC |
| 文件頁數(shù)： | 7/22頁 |
| 文件大?。?/td> | 262K |
| 代理商： | S5N8951X |
7
S5N8951X
G.dmt ADSL Analog Front End IC
CONFIDENTIAL
Preliminary Information (Rev.1.0)
2.2
I/O Pins Description
Signal Name
Num
Type
I/O
Description
General Pins
System Reset. Active Low
Chip Select
Chip Select
Digital Interface Selection “0” = 14bits , “1”=7bits*2
“0” = RT , “1” = CO
DAC Interface
DAC 14bit Data Inputs
If TM1=1, TX_DATA[13:7] is invalid
Master Clock 8.832MHz(Selectable 17.664MHz)
In 7bits Data Interface mode, AUXCLK=MCLK/2
In 14bits Data Interface mode, pin is open or ground.
DAC Current Positive Output for TX path
DAC Current Negative Output for TX path
Compensation Capacitor 0.1uF Connection for TX path
External Resistor 1.24k Connection
ADC Interface
ADC 14bit Data Outputs ( If TM1=1, [13:7] is always low)
ADC Positive Input
ADC Negative Input
ADC Band gap Reference Output
ADC Top Reference Output
ADC Bottom Reference Output
DSP Interface
Serial Data Clock
Serial Data Enable
Serial Data Output
Serial Data Input
TX Pass Interface
-
Tx Analog Positive Output
-
Tx Analog Positive Output
-
Tx Filter Analog Positive Input
-
Tx Filter Analog Negative Input
RX Pass Interface
-
Rx Analog Positive Input
-
Rx Analog Negative Input
-
Rx Analog External -14dB Gain Positive Input
-
Rx Analog External -14dB Gain Negative Input
-
Rx Filter Analog Positive Output
-
Rx Filter Analog Negative Output
Voltage Reference
RESETN
CS1
CS0
TM1
TM0
48
49
50
51
52
CMOS
CMOS
CMOS
CMOS
CMOS
I
I
I
I
I
TX_DATA[13:0]
94~100,
1~7
8
11
CMOS
I
MCLK
AUXCLK
CMOS
CMOS
I
I
TX_DACOP
TX_DACON
COMP_DAC
IREF_DAC
90
89
88
87
Analog
Analog
Analog
Analog
-
-
-
-
RX_DATA[13:0]
RX_ADCIP
RX_ADCIN
BGR_ADC
REFT_ADC
REFB_ADC
12 ~ 25
28
29
32
33
34
CMOS
Analog
Analog
Analog
Analog
Analog
O
-
-
-
-
-
SCLK
SEN
SDOUT
SDIN
44
45
46
47
CMOS
CMOS
CMOS
CMOS
I
I
O
I
TX_OUTP
TX_OUTN
TX_FINP
TX_FINN
78
77
85
86
Analog
Analog
Analog
Analog
RX_INP
RX_INN
RX_INPG
RX_INNG
RX_FOUTP
RX_FOUTN
58
57
56
55
31
30
Analog
Analog
Analog
Analog
Analog
Analog
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