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參數(shù)資料
| 型號(hào)： | IDT77105 |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | PHY (TC-PMD) for 25.6 Mbps ATM Networks |
| 中文描述： | 物理層（增距鏡TC - PMD）的25.6 Mbps的ATM網(wǎng)絡(luò) |
| 文件頁(yè)數(shù)： | 17/24頁(yè) |
| 文件大?。?/td> | 335K |
| 代理商： | IDT77105 |
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17 of 24
September 11, 2000
IDT77105
LED Driver and HEC Status/Control
Address: 0x03
Master Type Initial State
Low Byte Counter Register [7:0]
Address: 0x04
Master Type Initial State
High Byte Counter Register [15:8]
Address: 0x05
Master Type Initial State
Counter Register Read Select
Note:
Only one bit may set at any time for proper operation
Address: 0x06
Master Type Initial State
Function
Bit 7
0
Reserved
Bit 6
R/W
0 = enable
Disable Receive HEC Checking (HEC Enable)
When not set, TC calculates HEC byte on first 4 bytes of received cell, and compares value against 5th byte with this HEC
calculation result
Bit 5
R/W
0 = enable
Disable Xmit HEC Calculate & Replace
Directs TC not to calculate HEC on first 4 bytes of cell queued for transmit and replace 5th byte with this HEC calculation
result
Bit 4, 3
R/W
0 = 1 cycle
RxRef pulse width select
bit # . 4 3 .
0 0 RxRef active for 1 RxClk cycle
0 1 RxRef active for 2 RxClk cycles0
1 0 RxRef active for 4 RxClk cycles
1 1 RxRef active for 8 RxClk cycles
Bit 2
R
1 = empty
FIFO Status 1 = TxFIFO empty 0 = TxFIFO not empty
Bit 1
R
0
TxLED Status 1 = Cell Transmitted 0 = Cell NOT Transmitted
Bit 0
R
0
RxLED Status 1 = Cell Received 0 = Cell NOT Received
Function
Bit [7:0]
R
0x00
Provides low-byte of counter value selected via register 0x06.
Function
Bit [7:0]
R
0x00
Provides high-byte of counter value selected via register 0x06.
Function
Bit 7
—
—
Reserved
Bit 6
—
—
Reserved
Bit 5
—
—
Reserved
Bit 4
—
—
Reserved
Bit 3
W
0
Symbol Error Counter
Bit 2
W
0
TxCell Counter
Bit 1
W
0
RxCell Counter
Bit 0
W
0
Receive HEC Error Counter
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IDT77105L25TFI | 制造商:Integrated Device Technology Inc 功能描述: |
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| IDT77V011L155DA | 功能描述:INTERFACE DPI-UTOPIA 144-TQFP RoHS:否 類別:集成電路 (IC) >> 接口 - 專用 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 應(yīng)用:PDA，便攜式音頻/視頻，智能電話 接口:I²C，2 線串口 電源電壓:1.65 V ~ 3.6 V 封裝/外殼:24-WQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:24-QFN 裸露焊盤(pán)（4x4） 包裝:帶卷 (TR) 安裝類型:表面貼裝 產(chǎn)品目錄頁(yè)面:1015 (CN2011-ZH PDF) 其它名稱:296-25223-2 |
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