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RS8953BEPJ 参数 Datasheet PDF下载

RS8953BEPJ图片预览
型号: RS8953BEPJ
PDF下载: 下载PDF文件 查看货源
内容描述: 高比特率数字用户线( HDSL )信道单元 [High-Bit-Rate Digital Subscriber Line (HDSL) channel unit]
分类和应用: 电信集成电路
文件页数/大小: 173 页 / 1229 K
品牌: CONEXANT [ CONEXANT SYSTEMS, INC ]
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4.0 Registers  
RS8953B/8953SPB  
4.2 HDSL Transmit  
HDSL Channel Unit  
0x00—Transmit Embedded Operations Channel (TEOC_LO)  
7
6
5
4
3
2
1
0
TEOC[7:0]  
0x01—Transmit Embedded Operations Channel (TEOC_HI)  
7
6
5
4
3
2
1
0
TEOC[12:8]  
TEOC[12:0]  
The Transmit Embedded Operations Channel (TEOC) holds 13 EOC bits for transmission in  
the next frame. (Refer to Table 3-2 for EOC bit positions within the frame.) The HOH  
multiplexer samples TEOC coincident with the respective HDSL channels transmit 6 ms  
frame interrupt. Unmodified registers repeatedly output their contents in each frame.  
0x02—Transmit Indicator Bits (TIND_LO)  
7
6
5
4
3
2
1
0
TIND[7:0]  
0x03—Transmit Indicator Bits (TIND_HI)  
7
6
5
4
3
2
1
0
TIND[12:8]  
TIND[12:0]  
The Transmit Indicator holds 13 IND bits for transmission in the next frame and includes the  
FEBE bit (TIND[1]). (Refer to Table 3-2 for IND bit positions within the frame.) The HOH  
multiplexer samples TIND coincident with the respective HDSL channels transmit 6 ms frame  
interrupt. Unmodified registers repeatedly output their contents in each frame. TIND[0] is  
transmitted first.  
NOTE:  
The RS8953B does not automatically output FEBE. Proper transmit of FEBE requires  
the MPU to copy the CRC_ERR bit from STATUS_2 [addr 0x06] to TIND[1].  
0x04—Transmit Z-Bits (TZBIT_1)  
7
6
5
4
3
2
1
0
TZBIT[7:0]  
4-10  
Conexant  
N8953BDSB