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AM1707_15 Datasheet, PDF (186/200 Pages) Texas Instruments – AM1707 ARM® Microprocessor | |||
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AM1707
SPRS637E â FEBRUARY 2010 â REVISED JUNE 2014
www.ti.com
TDO
TDI
CLK
TMS
Router
Steps
Router
ARM926EJ-S/ETM
Figure 6-71. Adding ARM926EJ-S to the scan chain
Pre-amble: The device whose data reaches the emulator first is listed first in the board configuration file.
This device is a pre-amble for all the other devices. This device has the lowest device ID.
Post-amble: The device whose data reaches the emulator last is listed last in the board configuration file.
This device is a post-amble for all the other devices. This device has the highest device ID.
⢠Function : Update the JTAG preamble and post-amble counts.
â Parameter : The IR pre-amble count is '0'.
â Parameter : The IR post-amble count is '0'.
â Parameter : The DR pre-amble count is '0'.
â Parameter : The DR post-amble count is '0'.
â Parameter : The IR main count is '6'.
â Parameter : The DR main count is '1'.
⢠Function : Do a send-only JTAG IR/DR scan.
â Parameter : The route to JTAG shift state is 'shortest transition'.
â Parameter : The JTAG shift state is 'shift-ir'.
â Parameter : The JTAG destination state is 'pause-ir'.
â Parameter : The bit length of the command is '6'.
â Parameter : The send data value is '0x00000007'.
â Parameter : The actual receive data is 'discarded'.
⢠Function : Do a send-only JTAG IR/DR scan.
â Parameter : The route to JTAG shift state is 'shortest transition'.
â Parameter : The JTAG shift state is 'shift-dr'.
â Parameter : The JTAG destination state is 'pause-dr'.
â Parameter : The bit length of the command is '8'.
â Parameter : The send data value is '0x00000089'.
â Parameter : The actual receive data is 'discarded'.
⢠Function : Do a send-only JTAG IR/DR scan.
â Parameter : The route to JTAG shift state is 'shortest transition'.
â Parameter : The JTAG shift state is 'shift-ir'.
â Parameter : The JTAG destination state is 'pause-ir'.
â Parameter : The bit length of the command is '6'.
â Parameter : The send data value is '0x00000002'.
â Parameter : The actual receive data is 'discarded'.
⢠Function : Embed the port address in next command.
â Parameter : The port address field is '0x0f000000'.
â Parameter : The port address value is '3'.
186 Peripheral Information and Electrical Specifications
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