Broadcom BCM7405

JTAG on Dish Receivers.
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Jane
Junior Member
Posts: 1
Joined: Tue Jan 24, 2012 11:15 pm

Broadcom BCM7405

Post by Jane »

I tried to jtag BCM7405. It seems to work in JTAG mode but not in EJTAG.


Has anyone succeeded?
I know there is a general control register in that BCM7405 that has its bits marked with prefix jtag_otp. But not sure if that register is used for disabling JTAG and how to read that register values
usbbdm
Junior Member
Posts: 8962
Joined: Mon Jul 18, 2005 9:33 pm

Post by usbbdm »

Jane wrote:I tried to jtag BCM7405. It seems to work in JTAG mode but not in EJTAG.


Has anyone succeeded?
I know there is a general control register in that BCM7405 that has its bits marked with prefix jtag_otp. But not sure if that register is used for disabling JTAG and how to read that register values
What do you get when you hit detect?
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