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參數(shù)資料
| 型號： | CYWUSB6934 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | Sound/Security Multiconductor Cable; Number of Conductors:2; Conductor Size AWG:18; No. Strands x Strand Size:7 x 26; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes; Conductor Material:Copper RoHS Compliant: Yes |
| 中文描述： | 個WirelessUSB LS的2.4GHz直接序列擴(kuò)頻無線電芯片 |
| 文件頁數(shù)： | 9/30頁 |
| 文件大?。?/td> | 305K |
| 代理商： | CYWUSB6934 |
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CYWUSB6932
CYWUSB6934
Document 38-16007 Rev. *G
Page 9 of 30
Note:
3.
001 – Not Valid
010 – Not Valid
011 – Not Valid
111 – Not Valid.
The following Reg 0x04, bits 2:0 values are not valid:
Addr: 0x04
REG_DATA_RATE
Default: 0x00
7
6
5
4
3
2
1
0
Reserved
Code Width
Data Rate
Sample Rate
Figure 7-3. Data Rate
Bit
Name
Description
These bits are reserved and should be written with zeroes.
7:3
2
[3]
Reserved
Code Width
The Code Width bit is used to select between 32 chips/bit and 64 chips/bit PN codes.
1 = 32 chips/bit PN codes
0 = 64 chips/bit PN codes
The number of chips/bit used impacts a number of factors such as data throughput, range and robustness to inter-
ference. By choosing a 32 chips/bit PN-code, the data throughput can be doubled or even quadrupled (when double
data rate is set). A 64 chips/bit PN code offers improved range over its 32 chips/bit counterpart as well as more
robustness to interference. By selecting to use a 32 chips/bit PN code a number of other register bits are impacted
and need to be addressed. These are PN Code Select (Reg 0x03, bit 5), Data Rate (Reg 0x04, bit 1), and Sample
Rate (Reg 0x04, bit 0).
1
[3]
Data Rate
The Data Rate bit allows the user to select Double Data Rate mode of operation which delivers a raw data rate of
62.5kbits/sec.
1 = Double Data Rate - 2 bits per PN code (No odd bit transmissions)
0 = Normal Data Rate - 1 bit per PN code
This bit is applicable only when using 32 chips/bit PN codes which can be selected by setting the Code Width bit (Reg
0x04, bit 2=1). When using Double Data Rate, the raw data throughput is 62.5 kbits/sec because every 32 chips/bit
PN code is interpreted as 2 bits of data. When using this mode a single 64 chips/bit PN code is placed in the PN code
register. This 64 chips/bit PN code is then split into two and used by the baseband to offer the Double Data Rate
capability.
When using Normal Data Rate, the raw data throughput is 32kbits/sec.
Additionally, Normal Data Rate
enables the user to potentially correlate data using two differing 32 chips/bit PN codes.
0
[3]
Sample
Rate
The Sample Rate bit allows the use of the 12x sampling when using 32 chips/bit PN codes and Normal Data Rate.
1 = 12x Oversampling
0 = 6x Oversampling
Using 12x oversampling improves the correlators receive sensitivity. When using 64 chips/bit PN codes or Double
Data Rate this bit is don’t care. The only time when 12x oversampling can be selected is when a 32 chips/bit PN code
is being used with Normal Data Rate.
Figure 7-4. Configuration
Addr: 0x05
REG_CONFIG
Default: 0x01
7
6
5
4
3
2
1
0
Reserved
IRQ Pin Select
Bit
7:2
1:0
Name
Reserved
IRQ Pin Select
Description
These bits are reserved and should be written with zeroes.
The Interrupt Request Pin Select bits are used to determine the drive method of the IRQ pin.
11 = Open Source (IRQ asserted = 1, IRQ deasserted = Hi-Z)
10 = Open Drain (IRQ asserted = 0, IRQ deasserted = Hi-Z)
01 = CMOS (IRQ asserted = 1, IRQ deasserted = 0)
00 = CMOS Inverted (IRQasserted = 0, IRQ deasserted = 1)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CYWUSB6934-48LFXC | Multiconductor Cable; Number of Conductors:2; Conductor Size AWG:18; No. Strands x Strand Size:7 x 26; Jacket Material:Polyvinylchloride (PVC); Leaded Process Compatible:Yes; Capacitance:30pF/ft; Conductor Material:Copper RoHS Compliant: Yes |
| CYWUSB6935-48LFXC | WirelessUSB LRTM 2.4-GHz DSSS Radio SoC |
| CYWUSB6935-48LFXI | WirelessUSB LRTM 2.4-GHz DSSS Radio SoC |
| CYWUSB6941 | WirelessUSB EX Radio |
| CYWUSB6941-42BAC | WirelessUSB EX Radio |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CYWUSB6934-28SEC | 功能描述:IC WIRELESS USB 2.4GHZ 28-SOIC RoHS:否 類別:RF/IF 和 RFID >> RF 收發(fā)器 系列:WirelessUSB™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:30 系列:- 頻率:4.9GHz ~ 5.9GHz 數(shù)據(jù)傳輸率 - 最大:54Mbps 調(diào)制或協(xié)議:* 應(yīng)用:* 功率 - 輸出:-3dBm 靈敏度:- 電源電壓:2.7 V ~ 3.6 V 電流 - 接收:* 電流 - 傳輸:* 數(shù)據(jù)接口:PCB，表面貼裝 存儲容量:- 天線連接器:PCB，表面貼裝 工作溫度:-25°C ~ 85°C 封裝/外殼:68-TQFN 裸露焊盤 包裝:管件 |
| CYWUSB6934-48LFC | 功能描述:IC WIRELESS USB 2.4GHZ 48VQFN RoHS:否 類別:RF/IF 和 RFID >> RF 收發(fā)器 系列:WirelessUSB™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:30 系列:- 頻率:4.9GHz ~ 5.9GHz 數(shù)據(jù)傳輸率 - 最大:54Mbps 調(diào)制或協(xié)議:* 應(yīng)用:* 功率 - 輸出:-3dBm 靈敏度:- 電源電壓:2.7 V ~ 3.6 V 電流 - 接收:* 電流 - 傳輸:* 數(shù)據(jù)接口:PCB，表面貼裝 存儲容量:- 天線連接器:PCB，表面貼裝 工作溫度:-25°C ~ 85°C 封裝/外殼:68-TQFN 裸露焊盤 包裝:管件 |
| CYWUSB6934-48LFXC | 功能描述:射頻接收器 Tranciever COM RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| CYWUSB6934-48LTXC | 功能描述:射頻收發(fā)器 2.4 GHz Wireless USB RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| CYWUSB6935 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:WirelessUSB LRTM 2.4-GHz DSSS Radio SoC |
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