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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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RS8953B/8953SPB  
4.0 Registers  
HDSL Channel Unit  
4.2 HDSL Transmit  
0xDF—Transmit Z-Bits (TZBIT_2)  
7
6
5
4
4
4
4
4
3
3
3
3
3
2
2
2
2
2
1
1
1
1
1
0
0
0
0
0
TZBIT[15:8]  
TZBIT[23:16]  
TZBIT[31:24]  
TZBIT[39:32]  
TZBIT[47:40]  
0xE0—Transmit Z-Bits (TZBIT_3)  
7
6
5
0xE1—Transmit Z-Bits (TZBIT_4)  
7
6
5
0xE2—Transmit Z-Bits (TZBIT_5)  
7
6
5
0xE3—Transmit Z-Bits (TZBIT_6)  
7
6
5
TZBIT[47:0]  
Transmit Z-bits is applicable only in E1_MODE [CMD_1; addr 0xE5]; otherwise, Z-bit  
registers are ignored. TZBIT[47:0] holds 48 Z-bits for transmission in the first bit of each of  
the 48 payload blocks. (See Figure 3-16 for Z-bit positions within the frame.) The first eight  
Z-bits are individually output for each channel from TZBIT_1. The last 40 Z-bits are output to  
all channels from a single set of TZBIT_2–TZBIT_6.  
NOTE:  
The system may also supply the last 40 Z-bits individually for each HDSL transmit  
channel from the TAUXn inputs by setting TAUX_EN and EXT_ZBIT [TCMD_2;  
addr 0x07].  
N8953BDSB  
Conexant  
4-11