查看“MATX-6551 JTAG”的源代码

[[文件:MATX-6551 CPU_JTAG，CPLD_JTAG.jpg|500px|缩略图|MATX-6551 CPU_JTAG，CPLD_JTAG]]
===== CPLD_JTAG： =====
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
| CPLD_TCK || 1 || 2 || GND
|-
| CPLD_TDO || 3 || 4 || 3.3V
|-
| CPLD_TMS || 5 || 6 || NC
|-
| NC || 7 || 8 || NC
|-
| CPLD_TDI|| 9 || 10 || GND
|}

===== CPU_JTAG： =====
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
| 1.8V || 1 || 2 || NC
|-
|CPU_JTAG_RST|| 3 || 4 || GND
|-
|CPU_JTAG_TDI || 5 || 6 || GND
|-
| CPU_JTAG_TMS|| 7 || 8 || GND
|-
|CPU_JTAG_TCK|| 9 || 10 || GND
|-
| NC|| 11 || 12 || GND
|-
| CPU_JTAG_TDO|| 13 || 14 || GND
|-
|NC|| 15 || 16 || GND
|-
| NC|| 17 || 18 || GND
|-
| NC|| 19 || 20 || GND

|}