__________________________________________________________________________________________DS26900

图列表

图1-1 。 DS26900框图........................................................................................................................... 6

图4-1 。配置3大师赛， 18次端口.......................................... ......................................... 20

图4-2 。配置1主机， 20个次级端口.......................................... ........................................... 20

图4-3 。两个级联Devices........................................................................................................................... 21

图4-4 。使用外部逻辑选择三个级联器件........................................... ................................ 22

图9-1 。外围JTAG框图.............................................................................................................. 38

图9-2 。 JTAG TAP控制器状态机...................................................................................................... 39

图11-1 。开关TAP控制器接口时序图............................................ ..................................... 44

图11-2 。透明模式的主/从端口时序图.......................................... ............................... 45

图11-3 。外围JTAG接口时序图............................................. .............................................. 46

4