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參數(shù)資料
| 型號(hào)： | W9330F |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Code Division Spread Spectrum Cordless Telephone Controller(具有編碼分劃和擴(kuò)展頻普技術(shù)的無繩電話控制器) |
| 中文描述： | TELECOM, CORDLESS, SUPPORT CIRCUIT, PQFP100 |
| 封裝： | PLASTIC, QFP-100 |
| 文件頁(yè)數(shù)： | 12/26頁(yè) |
| 文件大小： | 170K |
| 代理商： | W9330F |
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Preliminary W9330F
- 12 -
COD_SYNC
COD_CLK
DR
DT
Sampling Point
8 KHz
4 cod_clock
6. RF Interface
The RF module interface consists of the PLL_SW, RF_PWR, TX_ENV, TX_DATA, RX_DATA and
ANTSW signals. The PLL_SW, RF_PWR andTX_ENV signals control the RF module to be in receive
and transmit state. The ANTSW signals issued only in dual antenna design to select one of the two
available antennas. The value of ANTSW follows the ANTSW bit in the control register. At the end of
a transmit frame or receive frame, the value stored in the ANTSW bit is copied to the ANTSW output.
During transmit or receive frame, ANTSW output remains unchanged.
The following timing diagram illustrates the RF control signals when switching between transmitting
and receiving.
Receive Frame
Receive Frame
Transmit Frame
idle
idle
RF_PWR
TX_ENV
PLL_SW
RF gap time = 4 uS
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