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CN8472AEPF 参数 Datasheet PDF下载

CN8472AEPF图片预览
型号: CN8472AEPF
PDF下载: 下载PDF文件 查看货源
内容描述: 多通道同步通信控制器( MUSYCC ™ ) [Multichannel Synchronous Communications Controller (MUSYCC?)]
分类和应用: 通信控制器
文件页数/大小: 221 页 / 2104 K
品牌: CONEXANT [ CONEXANT SYSTEMS, INC ]
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CN8478/CN8474A/CN8472A/CN8471A  
8.0 Terms, Definitions, and Conventions  
Multichannel Synchronous Communications Controller (MUSYCC™)  
8.3 Bit Stream Transmission Convention  
8.3 Bit Stream Transmission Convention  
Digitized voice transmission represented by octets (8-bit fields) generally  
numbers bits left to right, 0–7, respectively. Data is transmitted serially starting at  
the most significant bit (left-most bit, numbered bit 0) and proceeding to the  
right-most bit (least significant bit, numbered bit 8) of the sample. The receiver  
receives the most significant bit first. Table 8-2 illustrates this sequence.  
Table 8-2. Digitized Voice Transmission Convention  
Bit  
0 (MSB)  
1
2
3
4
5
6
7 (LSB)  
Data  
1
0
1
0
1
1
1
1
Transmission Order  
Bit Stream = 10101111......  
MSB is transmitted first  
Digital data transmission uses n-bit words and generally numbers bits right to  
left, 0 to [n-1], respectively. Data is transmitted serially starting with the least  
significant bit (right-most bit or bit 0) and proceeding to the most significant bit  
(left-most bit or bit [n – 1]). The receiver receives the least significant bit first.  
Table 8-3 illustrates this sequence.  
Table 8-3. Digital Data Transmission Convention  
Bit  
7 (MSB)  
6
5
4
3
2
1
0 (LSB)  
Data  
1
0
1
0
1
1
1
1
Transmission Order  
Bit Stream = 11110101......  
LSB is transmitted first  
MUSYCC employs the digital data transmission convention. MUSYCC  
extensively uses 32-bit wide dwords or double-words data transfers. The data is  
transmitted and received as listed in Table 8-4.  
Table 8-4. MUSYCC Byte Transmission Convention  
3
MSB  
2
1
0
LSB  
Byte  
Bits 7 <- 0  
Bits 7 <- 0  
Transmission and  
Reception Order  
Byte Stream = Byte 0, Byte 1, Byte 2, Byte 3......  
100660E  
Conexant  
8-3