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参数资料
| 型号： | M25P16-VMF3TG |
| 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-VMF3TG |
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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
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相关代理商/技术参数 |
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|---|---|
| M25P16VMF3TP | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:512 Kbit to 32 Mbit, Low Voltage, Serial Flash Memory With 40 MHz or 50 MHz SPI Bus Interface |
| M25P16-VMF3TP | 制造商:NUMONYX 制造商全称:Numonyx B.V 功能描述:16 Mbit, serial Flash memory, 75 MHz SPI bus interface |
| M25P16-VMF3TPB | 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE - Tape and Reel 制造商:Micron Technology Inc 功能描述:IC FLASH 16MBIT 75MHZ 16SO |
| M25P16VMF6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:512 Kbit to 32 Mbit, Low Voltage, Serial Flash Memory With 40 MHz or 50 MHz SPI Bus Interface |
| M25P16-VMF6 | 制造商:NUMONYX 制造商全称:Numonyx B.V 功能描述:16 Mbit, serial Flash memory, 75 MHz SPI bus interface |
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