W90210F Winbond Electronics Corp America, W90210F Datasheet - Page 29

• Manufacturer Part Number: W90210F
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

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2bh
[0:7]
[0:7]
The above information is the exclusive intellectual property of Winbond Electronics Corp. and shall not be disclosed, distributed or reproduced without permission from Winbond.
[0:1] RAS# precharge time.(default 0)
[2] CAS# precharge time.(default 0)
[3] Write cycle CAS# pulse width.(default 1)
[4:5] Read cycle RAS# to CAS# delay.(default 'b01)
[6:7] Write cycle RAS# to CAS# delay.(default 'b01)
[0:1] Refresh period.
00 :
01 :
10 :
11 :
[2] Refresh cycle. RAS# active pulse width after CAS# disactive.
[3:4] Refresh cycle. RAS# active to CAS# inactive delay.(default 'b01)
[5] Refresh cycle. CAS# active to RAS# active delay.(default 0)
[6:7] Read cycle CAS# pulse width.(default 'b01)
15us. (default).
30us.
60us.
disable refresh (for test only).
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W90210F
Version 1.4, 10/8/97