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RS8953SPBEPJ 参数 Datasheet PDF下载

RS8953SPBEPJ图片预览
型号: RS8953SPBEPJ
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  
4.8 Transmit Bit Stuffing Thresholds  
where: n = 8 for STF_THRESH_A  
n = 12 for STF_THRESH_B  
n = 24 for STF_THRESH_C  
0xCF—Bit Stuffing Threshold A (STF_THRESH_A_LO)  
7
6
5
4
3
2
1
0
STF_THRESH_A[7:0]  
0xD0—Bit Stuffing Threshold A (STF_THRESH_A_HI)  
7
6
5
4
3
2
1
0
STF_THRESH_A[9:8]  
STF_THRESH_A[8:0] Bit Stuffing Threshold A—Contains the number of GCLK cycles equaling 8 HDSL bit times.  
If the phase measured from PCM to HDSL 6 ms frames is a positive value greater than or  
equal to STF_THRESH_A, then 4 STUFF bits are inserted in the outgoing HDSL frame. If the  
phase is a positive value less then STF_THRESH_A, then STUFF bits are not inserted in the  
outgoing HDSL frame. If the phase is a negative value, then the phase tolerance on HDSL,  
PCM, or GCLK inputs is exceeded and the STUFF generator reports STUFF_ERR  
[STATUS_3; addr 0x07].  
0xD1—Bit Stuffing Threshold B (STF_THRESH_B_LO)  
7
6
5
4
3
2
1
0
STF_THRESH_B[7:0]  
0xD2—Bit Stuffing Threshold B (STF_THRESH_B_HI)  
7
6
5
4
3
2
1
0
STF_THRESH_B[9:8]  
STF_THRESH_B[8:0] Bit Stuffing Threshold B—Contains the number of GCLK cycles equaling 12 HDSL bit  
times.  
0xD3—Bit Stuffing Threshold C (STF_THRESH_C_LO)  
7
6
5
4
3
2
1
0
STF_THRESH_C[7:0]  
N8953BDSB  
Conexant  
4-33