参数资料
型号: S29GL032N90BFI32
厂商: SPANSION LLC
元件分类: PROM
英文描述: 2M X 16 FLASH 3V PROM, 90 ns, PBGA48
封装: 8.15 X 6.15 MM, LEAD FREE, FBGA-48
文件页数: 54/81页
文件大小: 3095K
代理商: S29GL032N90BFI32
58
S29GL-N MirrorBit Flash Family
S29GL-N_01_12 October 29, 2008
Da ta
Sh e e t
Figure 10.6 Toggle Bit Algorithm
Note
The system should recheck the toggle bit even if DQ5 = 1 because the toggle bit may stop toggling as DQ5 changes to 1. See the
subsections on DQ6 and DQ2 for more information.
10.14 DQ2: Toggle Bit II
The “Toggle Bit II” on DQ2, when used with DQ6, indicates whether a particular sector is actively erasing (that
is, the Embedded Erase algorithm is in progress), or whether that sector is erase-suspended. Toggle Bit II is
valid after the rising edge of the final WE# pulse in the command sequence.
DQ2 toggles when the system reads at addresses within those sectors that were selected for erasure. (The
system may use either OE# or CE# to control the read cycles.) But DQ2 cannot distinguish whether the
sector is actively erasing or is erase-suspended. DQ6, by comparison, indicates whether the device is
actively erasing, or is in Erase Suspend, but cannot distinguish which sectors are selected for erasure. Thus,
both status bits are required for sector and mode information. Refer to Table 10.5 on page 60 to compare
outputs for DQ2 and DQ6.
START
No
Yes
DQ5 = 1?
No
Yes
Toggle Bit
= Toggle?
No
Program/Erase
Operation Not
Complete, Write
Reset Command
Program/Erase
Operation Complete
Read DQ7–DQ0
Toggle Bit
= Toggle?
Read DQ7–DQ0
Twice
Read DQ7–DQ0
相关PDF资料
PDF描述
S2A SURFACE MOUNT RECTIFIER
S2B SURFACE MOUNT RECTIFIER
S2C1R-1-5-H 4000 MHz - 8000 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH, 1.7 dB INSERTION LOSS
S2D SURFACE MOUNT RECTIFIER
S2G SURFACE MOUNT RECTIFIER
相关代理商/技术参数
参数描述
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