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參數(shù)資料
| 型號： | S5N8943B |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | G.Lite ADSL Analog Front End IC |
| 中文描述： | G. Lite的ADSL模擬前端IC |
| 文件頁數(shù)： | 15/22頁 |
| 文件大?。?/td> | 263K |
| 代理商： | S5N8943B |
15
S5N8943B
G.Lite ADSL Analog Front End IC
CONFIDENTIAL
Preliminary Information (Rev.1.0)
4.1.1.4
VCXO Control
The VCXO DAC is 10-bit voltage-mode DAC designed to be monotonic and intended to be
operated at a 4 kHz update rate. In order to update the DAC, the user must write to the VCXO register
through the serial port. The individual bit definitions are given below.
VCXO_CTL Register (A4A3A2A1A0=XX011)
DATA
D15 D14 D13 D12 D11 D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
NAME
VC9 VC8 VC7 VC6 VC4 VC4 VC3 VC2 VC1 VC0
RESET
VALUE
1
0
0
0
0
0
0
0
0
0
VC[9:0]: VCXO DAC 10-bit word. The DAC nominal output voltages for extreme and mid-scale
codes are as follows.
VC[9:0] = 0000000000 = 0.5 V
VC[9:0] = 1000000000 = 1.5 V (mid-range)
VC[9:0] = 1111111111 = 2.5 V
A general expression for the DAC output voltage is
0.5 V + (CODE / 1024) X (2.0 V)
where
CODE
is the decimal integer value of the 10-bit word formed by VCXO[9:0].
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相關(guān)代理商/技術(shù)參數(shù) |
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| S5N8944B | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:G.Lite ADSL Transceiver for CO and CPE |
| S5N8947 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:MCU for ADSL/Cable Modem |
| S5N8947X | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:MCU for ADSL/Cable Modem |
| S5N8950 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:G.dmt ADSL Transceiver for CO and CPE |
| S5N8951 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:G.dmt ADSL Analog Front End IC |
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