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W97AH6KB Datasheet(PDF) 25 Page - Winbond

Part # W97AH6KB
Description  Four-bit prefetch DDR architecture
PDF  127 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W97AH6KB Datasheet(HTML) 25 Page - Winbond

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W97AH6KB / W97AH2KB
Publication Release Date: May 15, 2014
Revision: A01-001
- 25 -
7.3.14 MR17_PASR_Segment Mask (MA[7:0] = 11H)
OP7
OP6
OP5
OP4
OP3
OP2
OP1
OP0
Segment Mask
Segment [7:0] Mask
Write-only
OP[7:0]
0b: refresh enable to the segment (=unmasked, default)
1b: refresh blocked (=masked)
Segment
OP
Segment Mask
R[12:10]
0
0
XXXXXXX1
000b
1
1
XXXXXX1X
001b
2
2
XXXXX1XX
010b
3
3
XXXX1XXX
011b
4
4
XXX1XXXX
100b
5
5
XX1XXXXX
101b
6
6
X1XXXXXX
110b
7
7
1XXXXXXX
111b
7.3.15 MR32_DQ Calibration Pattern A (MA[7:0] = 20H)
Reads to MR32 return DQ Calibration Pattern “A”. See section 7.4.21.2 “DQ Calibration”.
7.3.16 MR40_DQ Calibration Pattern B (MA[7:0] = 28H)
Reads to MR40 return DQ Calibration Pattern “B”. See section 7.4.21.2 “DQ Calibration”.
7.3.17 MR63_Reset (MA[7:0] = 3FH): MRW only
OP7
OP6
OP5
OP4
OP3
OP2
OP1
OP0
X
For additonal information on MRW RESET see section 7.4.22
“Mode Register Write Command”.



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