- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄97866 > DS21552LN (MAXIM INTEGRATED PRODUCTS INC) DATACOM, PCM TRANSCEIVER, PQFP100 PDF資料下載
參數(shù)資料
| 型號： | DS21552LN |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Digital Transmission Interface |
| 英文描述： | DATACOM, PCM TRANSCEIVER, PQFP100 |
| 封裝： | 14 X 14 MM, LQFP-100 |
| 文件頁數(shù)： | 103/139頁 |
| 文件大?。?/td> | 1208K |
| 代理商： | DS21552LN |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁第93頁第94頁第95頁第96頁第97頁第98頁第99頁第100頁第101頁第102頁當前第103頁第104頁第105頁第106頁第107頁第108頁第109頁第110頁第111頁第112頁第113頁第114頁第115頁第116頁第117頁第118頁第119頁第120頁第121頁第122頁第123頁第124頁第125頁第126頁第127頁第128頁第129頁第130頁第131頁第132頁第133頁第134頁第135頁第136頁第137頁第138頁第139頁
DS21352/DS21552
66 of 137
TBOC.6 = 1 and TDC1.7 = 1 cannot exist without corrupting the data in the FDL. See Table 15-1 for
configuring the transmit HDLC controller.
Table 15-1 TRANSMIT HDLC CONFIGURATION
Function
TBOC.6
TDC1.7
TCR1.2
DS0(s)
0
1
1 or 0
FDL
1
0
1
Disable
0
1 or 0
Note that the BOC controller is functional when the HDLC controller is used for DS0s. Section 15.3 contains all of the HDLC
and BOC registers and information on FDL/Fs Extraction and Insertion with and without the HDLC controller.
15.1 HDLC FORr DS0s
When using the HDLC controllers for DS0s, the same registers shown in section 15.3.2 will be used
except for the TBOC and RBOC registers and bits HDLC.7, HSR.7, and HIMR.7. As a basic guideline
for interpreting and sending HDLC messages and BOC messages, the following sequences can be
applied.
15.1.1 RECEIVE AN HDLC MESSAGE
1. Enable RPS interrupts.
2. Wait for interrupt to occur.
3. Disable RPS interrupt and enable either RPE, RNE, or RHALF interrupt.
4. Read RHIR to obtain REMPTY status.
a. If REMPTY=0, then record OBYTE, CBYTE, and POK bits and then read the FIFO.
a1. If CBYTE=0 then skip to step 5.
a2. If CBYTE=1 then skip to step 7.
b. If REMPTY=1, then skip to step 6.
5. Repeat step 4.
6. Wait for interrupt, skip to step 4.
7. If POK=0, then discard whole packet, if POK=1, accept the packet.
8. Disable RPE, RNE, or RHALF interrupt, enable RPS interrupt and return to step 1.
15.1.2 TRANSMIT AN HDLC MESSAGE
1. Make sure HDLC controller is done sending any previous messages and is current sending flags by checking that the FIFO
is empty by reading the TEMPTY status bit in the THIR register.
2. Enable either the THALF or TNF interrupt.
3. Read THIR to obtain TFULL status.
a. If TFULL=0, then write a byte into the FIFO and skip to next step (special case occurs when the last byte is to be
written, in this case set TEOM=1 before writing the byte and then skip to step 6).
b. If TFULL=1, then skip to step 5.
4. Repeat step 3.
5. Wait for interrupt, skip to step 3.
6. Disable THALF or TNF interrupt and enable TMEND interrupt.
7. Wait for an interrupt, then read TUDR status bit to make sure packet was transmitted correctly.
15.2 FDL/Fs EXTRACTION AND INSERTION
The device has the ability to extract/insert data from/ into the Facility Data Link (FDL) in the ESF
framing mode and from/into Fs–bit position in the D4 framing mode. Since SLC–96 utilizes the Fs–bit
position, this capability can also be used in SLC–96 applications. The device contains a complete HDLC
and BOC controller which can be used for the FDL or for DS0s. Using the HDLC controller for the FDL
is covered in Section 15.3.3. To allow for backward compatibility with earlier devices, legacy
functionality is maintained for the FDL, which is covered in Section 15.4. Section 15.5 covers D4 and
SLC–96 operation.
相關PDF資料 |
PDF描述 |
|---|---|
| DS21354L | DATACOM, PCM TRANSCEIVER, PQFP100 |
| DS21354LN | DATACOM, PCM TRANSCEIVER, PQFP100 |
| DS21372TN | SPECIALTY TELECOM CIRCUIT, PQFP32 |
| DS21372T | SPECIALTY TELECOM CIRCUIT, PQFP32 |
| DS21372 | SPECIALTY TELECOM CIRCUIT, PQFP32 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS21552LN+ | 功能描述:網(wǎng)絡控制器與處理器 IC 5V T1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS21554 | 制造商:Maxim Integrated Products 功能描述: |
| DS21554G | 功能描述:IC TXRX E1 1-CHIP 5V 100-BGA RoHS:否 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標準包裝:750 系列:* |
| DS21554GN | 功能描述:IC TXRX E1 1-CHIP 5V 100-BGA RoHS:否 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標準包裝:750 系列:* |
| DS21554L | 功能描述:網(wǎng)絡控制器與處理器 IC 3.3/5V E1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
發(fā)布緊急采購，3分鐘左右您將得到回復。