W90221X Winbond Electronics Corp America, W90221X Datasheet - Page 59

• Manufacturer Part Number: W90221X
• Description: Pa-risc Embedded Controller
• Manufacturer: Winbond Electronics Corp America

Bits 7-9
Bits 10-12
Bits 13-15
W90221X version 0.6
RAS# active pulse width t
RAS# precharge time t
DRAM cycle time t
DRAMTCTL0
DRAMTCTL0
DRAMTCTL0
[10:12]
[13:15]
[7:9]
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
RC
Time (MCLK)
Time (MCLK)
RAS# Active
DRAM Cycle
Pulse Width
Precharge
8 (default)
8 (default)
(MCLK)
RAS#
RP
1
2
3
4
5
6
7
1
2
3
4
5
6
7
2
3
4
5
6
7
8
RAS
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