2013年7月12日
JTAG TAP Controller
摘要： http://www.freelabs.com/~whitis/electronics/jtag/Each JTAG enabled chip has a TAP controller with a state machine with 16 states.The state of the TMS pin at each TCK pulse dictates the transitions between states. These states help control whether you are shifting through the instruction register or 阅读全文
posted @ 2013-07-12 15:29 IAmAProgrammer 阅读(4440) 评论(0) 推荐(0) 编辑
JTAG Pinouts
摘要： http://www.jtagtest.com/pinouts/PinoutsARM-20(used with almost all ARM-based microcontrollers)ARM-14(used as a lower pin-count version of ARM-20)MIPS EJTAGused with all MIPS microcontrollers (mostly embedded devices, can be found on many WiFi devices)Toshiba MIPSPhilips MIPSAVR JTAGCompatible with A 阅读全文
posted @ 2013-07-12 13:36 IAmAProgrammer 阅读(2175) 评论(0) 推荐(0) 编辑