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參數(shù)資料
| 型號(hào)： | S29CD032G0PFAN010 |
| 廠商： | SPANSION LLC |
| 元件分類： | DRAM |
| 英文描述： | CMOS 2.5 VOLT ONLY BURST MODE DUAL BOOT, SIMULTANEOUS READ /WRITE FLASH MEMORY |
| 中文描述： | 1M X 32 FLASH 2.7V PROM, 54 ns, PBGA80 |
| 封裝： | 13 X 11 MM, 1 MM PITCH, FORTIFIED, BGA-80 |
| 文件頁(yè)數(shù)： | 67/93頁(yè) |
| 文件大小： | 1608K |
| 代理商： | S29CD032G0PFAN010 |
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March 22, 2004 30606B0
S29CD032G
67
A d v a n c e I n f o r m a t i o n
The remaining scenario is that the system initially determines that the toggle bit
is toggling and DQ5 has not gone high. The system may continue to monitor the
toggle bit and DQ5 through successive read cycles, determining the status as de-
scribed in the previous paragraph. Alternatively, it may choose to perform other
system tasks. In this case, the system must start at the beginning of the algo-
rithm when it returns to determine the status of the operation (top of Figure 7).
START
No
Yes
Yes
DQ5 = 1
No
Yes
DQ6 = Toggle
No
Read Byte
(DQ0-DQ7)
Address = VA
DQ6 = Toggle
Read Byte Twice
(DQ 0-DQ7)
Adrdess = VA
Read Byte
(DQ0-DQ7)
Address = VA
FAIL
PASS
Notes:
1. Read toggle bit with two immediately consecutive reads to determine whether or not it is toggling. See text.
2. Recheck toggle bit because it may stop toggling as DQ5 changes to “1”. See text.
Figure 7. Toggle Bit Algorithm
(Note 1)
(Notes
1, 2)
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| S29CD032J0MQAN010 | 制造商:Spansion 功能描述: |
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