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參數(shù)資料
| 型號： | DS3134 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Digital Transmission Controller |
| 英文描述： | DATACOM, FRAMER, PBGA256 |
| 封裝： | 27 X 27 MM, PLASTIC, BGA-256 |
| 文件頁數(shù)： | 125/203頁 |
| 文件大?。?/td> | 777K |
| 代理商： | DS3134 |
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DS3134
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Signal Name:
JTMS
Signal Description:
JTAG IEEE 1149.1 Test Mode Select
Signal Type:
Input (with internal 10k pull up)
This signal is sampled on the rising edge of JTCLK and is used to place the test port into the various
defined IEEE 1149.1 states. If not used, this signal should be pulled high. This signal has an internal pull-
up.
2.5 PCI BUS SIGNAL DESCRIPTION
Signal Name:
PCLK
Signal Description:
PCI & System Clock
Signal Type:
Input (Schmitt triggered)
This clock input is used to provide timing for the PCI bus and to the internal logic of the device. A 25
MHz to 33 MHz clock with a nominal 50% duty cycle should be applied here.
Signal Name:
PRST*
Signal Description:
PCI Reset
Signal Type:
Input
This active low input is used to force an asynchronous reset to both the PCI bus and the internal logic of
the device. When forced low, this input forced all the internal logic of the device into its default state and
it forces the PCI outputs into tri-state and the TD[15:0] output port data signals high.
Signal Name:
PAD0 to PAD31
Signal Description:
PCI Address & Data Multiplexed Bus
Signal Type:
Input / Output (tri-state capable)
Both Address and Data information are multiplexed onto these signals. Each bus transaction consists of
an address phase followed by one or more data phases. Data can be either read or written in bursts.
During the first clock cycle of a bus transaction, the address is transferred. When the Little-Endian format
is selected, PAD[31:24] is the msb of the DWORD, when Big-Endian is selected, PAD[7:0] contain the
msb. When the device is an initiator, these signals are always outputs during the address phase. They
remain outputs for the data phase(s) in a write transaction and become inputs for a read transaction.
When the device is a target, these signals are always inputs during the address phase. They remain inputs
for the data phase(s) in a read transaction and become outputs for a write transaction. When the device is
not involved in a bus transaction, these signals remain tri-stated. These signals are always updated and
sampled on the rising edge of PCLK.
Signal Name:
PCBE0* / PCBE1* / PCBE2* / PCBE3*
Signal Description:
PCI Bus Command and Byte Enable
Signal Type:
Input / Output (tri-state capable)
Bus Command and Byte Enables are multiplexed onto the same PCI signals. During an address phase,
these signals define the Bus Command. During the data phase, these signals as used as Bus Enables.
During data phases, PCBE0 refers to the PAD[7:0] and PCBE3 refers to PAD[31:24]. When this signal is
high, the associated byte is invalid, when low; the associated byte is valid. When the device is an
initiator, this signal is an output and is updated on the rising edge of PCLK. When the device is a target,
this signal is input and is sampled on the rising edge of PCLK. When the device is not involved in a bus
transaction, these signals are tri-stated.
Signal Name:
PPAR
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| DS3150TN | DATACOM, PCM TRANSCEIVER, PDIP48 |
| DS3150T | DATACOM, PCM TRANSCEIVER, PQFP48 |
| DS5000FP-12 | 8-BIT, 12 MHz, MICROCONTROLLER, PQFP80 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS-313PIN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Miscellaneous |
| DS-313-PIN | 功能描述:信號調(diào)節(jié) RoHS:否 制造商:EPCOS 產(chǎn)品:Duplexers 頻率:782 MHz, 751 MHz 頻率范圍: 電壓額定值: 帶寬: 阻抗:50 Ohms 端接類型:SMD/SMT 封裝 / 箱體:2.5 mm x 2 mm 工作溫度范圍:- 30 C to + 85 C 封裝:Reel |
| DS31400 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:8-Input, 14-Output, Dual DPLL Timing IC with Sub-ps Output Jitter |
| DS31400DK | 功能描述:時鐘和定時器開發(fā)工具 DS31400 Dev Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類型:Clock Conditioners 工具用于評估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V |
| DS31400GN | 功能描述:計時器和支持產(chǎn)品 Not Available From Mouser RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
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