参数资料
型号: M25P16-VMW6P
厂商: 意法半导体
元件分类: DRAM
英文描述: 4 Mbit Uniform Sector, Serial Flash Memory
中文描述: 4兆位统一部门,串行闪存
文件页数: 14/55页
文件大小: 335K
代理商: M25P16-VMW6P
Operating features
M25P16
14/55
Table 2.
4.7
Hold condition
The Hold (HOLD) signal is used to pause any serial communications with the device without
resetting the clocking sequence. However, taking this signal Low does not terminate any
Write Status Register, Program or Erase cycle that is currently in progress.
To enter the Hold condition, the device must be selected, with Chip Select (S) Low.
The Hold condition starts on the falling edge of the Hold (HOLD) signal, provided that this
coincides with Serial Clock (C) being Low (as shown in
Figure 6
).
The Hold condition ends on the rising edge of the Hold (HOLD) signal, provided that this
coincides with Serial Clock (C) being Low.
If the falling edge does not coincide with Serial Clock (C) being Low, the Hold condition
starts after Serial Clock (C) next goes Low. Similarly, if the rising edge does not coincide
with Serial Clock (C) being Low, the Hold condition ends after Serial Clock (C) next goes
Low. (This is shown in
Figure 6
).
During the Hold condition, the Serial Data Output (Q) is high impedance, and Serial Data
Input (D) and Serial Clock (C) are Don’t Care.
Normally, the device is kept selected, with Chip Select (S) driven Low, for the whole duration
of the Hold condition. This is to ensure that the state of the internal logic remains unchanged
from the moment of entering the Hold condition.
If Chip Select (S) goes High while the device is in the Hold condition, this has the effect of
resetting the internal logic of the device. To restart communication with the device, it is
necessary to drive Hold (HOLD) High, and then to drive Chip Select (S) Low. This prevents
the device from going back to the Hold condition.
Protected area sizes
Status Register
Content
Memory Content
BP2
Bit
BP1
Bit
BP0
Bit
Protected Area
Unprotected Area
0
0
0
none
All sectors
(1)
(32 sectors: 0 to 31)
1.
The device is ready to accept a Bulk Erase instruction if, and only if, all Block Protect (BP2, BP1, BP0) are
0.
0
0
1
Upper 32nd (Sector 31)
Lower 31/32nds (31 sectors: 0 to 30)
0
1
0
Upper sixteenth (two sectors: 30 and
31)
Lower 15/16ths (30 sectors: 0 to 29)
0
1
1
Upper eighth (four sectors: 28 to 31)
Lower seven-eighths (28 sectors: 0 to
27)
1
0
0
Upper quarter (eight sectors: 24 to 31)
Lower three-quarters (24 sectors: 0 to
23)
1
0
1
Upper half (sixteen sectors: 16 to 31)
Lower half (16 sectors: 0 to 15)
1
1
0
All sectors (32 sectors: 0 to 31)
none
1
1
1
All sectors (32 sectors: 0 to 31)
none
相关PDF资料
PDF描述
M25P16-VMW6TG 4 Mbit Uniform Sector, Serial Flash Memory
M25P16-VMW6TP 4 Mbit Uniform Sector, Serial Flash Memory
M25P16-VME3G 4 Mbit Uniform Sector, Serial Flash Memory
M25P16-VME3P 4 Mbit Uniform Sector, Serial Flash Memory
M25P16-VME3TG 4 Mbit Uniform Sector, Serial Flash Memory
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