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GC4016 and GC4116 Power Cyclin
消耗积分:3 |
格式:rar |
大小:60 |
2010-07-08
吴藩
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ABSTRACT
The GC4016 and GC4116 chips have internal power up reset circuits that need time to
discharge before power can be reapplied after VCore power has been turned off. If power is
re-applied too soon, the power up reset is not triggered, and the chip’s JTAG scan logic may
come up in an unknown state which will prevent any control bus accesses. This application
note describes what causes the power up cycling problem and how the control bus lock-out
condition can be avoided.
The GC4016 and GC4116 chips have internal power up reset circuits that need time to
discharge before power can be reapplied after VCore power has been turned off. If power is
re-applied too soon, the power up reset is not triggered, and the chip’s JTAG scan logic may
come up in an unknown state which will prevent any control bus accesses. This application
note describes what causes the power up cycling problem and how the control bus lock-out
condition can be avoided.
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yy 2011-05-07
5 回复 举报有正版GC power place 7.4.2软件&加密狗卖，联系QQ1244320908 收起回复
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