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BT8375EPF 参数 Datasheet PDF下载

BT8375EPF图片预览
型号: BT8375EPF
PDF下载: 下载PDF文件 查看货源
内容描述: 单芯片收发器T1 / E1和综合业务数字网( ISDN )基本速率接口 [single chip transceivers for T1/E1 and Integrated Service Digital Network (ISDN) primary rate interfaces]
分类和应用: 电信集成电路综合业务数字网
文件页数/大小: 323 页 / 1950 K
品牌: CONEXANT [ CONEXANT SYSTEMS, INC ]
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Bt8370/8375/8376  
3.13 Transmit Sa-Byte Buffers  
Fully Integrated T1/E1 Framer and Line Interface  
3.13 Transmit Sa-Byte Buffers  
Unused bits indicated by a dash () are reserved and should be written to 0. Writing to reserved bits has no  
effect.  
Five transmit Sa-Byte buffers (TSA4TSA8) are used to insert Sa-bits in TS0. The entire group of 40 bits is  
sampled every 16 frames, coincident with the TMF interrupt boundary [addr 008]. Bit 0 from each TSA register  
is then inserted during frame 1: bit 1 is inserted during frame 3; bit 2 is inserted during frame 5; and so on. This  
gives the processor a maximum of 2 ms after the TMF interrupt to write new Sa-Byte buffer values. Transmit  
Sa-bits maintain a fixed relationship to the transmit CRC multiframe.  
07BTransmit Sa4 Byte Buffer (TSA4)  
7
6
5
4
3
2
1
0
TSA4[7]  
TSA4[6]  
TSA4[5]  
TSA4[4]  
TSA4[3]  
TSA4[2]  
TSA4[1]  
TSA4[0]  
TSA4[7]  
Sa4 bit transmitted in frame 15  
Sa4 bit transmitted in frame 13  
Sa4 bit transmitted in frame 11  
Sa4 bit transmitted in frame 9  
Sa4 bit transmitted in frame 7  
Sa4 bit transmitted in frame 5  
Sa4 bit transmitted in frame 3  
Sa4 bit transmitted in frame 1  
TSA4[6]  
TSA4[5]  
TSA4[4]  
TSA4[3]  
TSA4[2]  
TSA4[1]  
TSA4[0]  
07CTransmit Sa5 Byte Buffer (TSA5)  
7
6
5
4
3
2
1
0
TSA5[7]  
TSA5[6]  
TSA5[5]  
TSA5[4]  
TSA5[3]  
TSA5[2]  
TSA5[1]  
TSA5[0]  
TSA5[7]  
Sa5 bit transmitted in frame 15  
Sa5 bit transmitted in frame 13  
Sa5 bit transmitted in frame 11  
Sa5 bit transmitted in frame 9  
Sa5 bit transmitted in frame 7  
Sa5 bit transmitted in frame 5  
Sa5 bit transmitted in frame 3  
Sa5 bit transmitted in frame 1  
TSA5[6]  
TSA5[5]  
TSA5[4]  
TSA5[3]  
TSA5[2]  
TSA5[1]  
TSA5[0]  
3-80  
Conexant  
N8370DSE