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Figure-23

功能框图........................................................................................................................................ 2

IDT82V2604 PBGA208封装引脚分配............................................. ............................................ 3

乌托邦回环............................................................................................................................................ 9

线路接口工作模式.......................................................................................................................... 10

G.802映射模式.................................................................................................................................. 12

间隔映射模式................................................................................................................................ 12

复四2 MHz的流进一个8 MHz的流........................................ ................................. 13

输入FIFO写入过程............................................................................................................................ 18

输出FIFO读取进程......................................................................................................................... 19

命令报文格式........................................................................................................................ 22

命令回复的邮件格式.............................................................................................................. 22

报警信息格式................................................................................................................................ 22

复位信号时序图...................................................................................................................... 73

TX UTOPIA接口时序图............................................................................................................ 74

接收UTOPIA接口时序图............................................................................................................ 74

线路接口发送时序图...................................................................................................... 75

线路接口接收时序图....................................................................................................... 75

微处理器的接口时序图摩托罗拉CPU读周期......................................... .......... 76

微处理器的接口时序图摩托罗拉CPU写周期......................................... .......... 77

微处理器接口时序图的Intel CPU读周期......................................... ................. 78

微处理器接口时序图的Intel CPU写周期......................................... ................. 79

SRAM接口时序图写周期........................................... .............................................. 80

SRAM接口时序图读周期........................................... ............................................. 81

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第八

2003年12月8日