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參數(shù)資料
| 型號： | PSD934210MT |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Flash PSD, 3.3V Supply, for 8-bit MCUs 2 Mbit 256 Kbit Dual Flash Memories and 64 Kbit SRAM |
| 中文描述： | 閃光私營部門，3.3V電源，為8位微控制器2兆256千位雙閃存和64千位的SRAM |
| 文件頁數(shù)： | 21/89頁 |
| 文件大小： | 615K |
| 代理商： | PSD934210MT |
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PSD834F2V
ory sector(s). Before and during Erase time-out,
any instruction other than Suspend Sector Erase
and Resume Sector Erase instructions abort the
cycle that is currently in progress, and reset the
device to Read mode. It is not necessary to pro-
gram the Flash memory sector with 00h as the
PSD does this automatically before erasing
(byte=FFh).
During a Sector Erase, the memory status may be
checked by reading the Error Flag (DQ5) bit, the
Toggle Flag (DQ6) bit, and the Data Polling Flag
(DQ7) bit, as detailed in the section entitled “Pro-
gramming Flash Memory”, on page 19.
During execution of the Erase cycle, the Flash
memory accepts only Reset and Suspend Sector
Erase instructions. Erasure of one Flash memory
sector may be suspended, in order to read data
from another Flash memory sector, and then re-
sumed.
Suspend Sector Erase.
When a Sector Erase
cycle is in progress, the Suspend Sector Erase in-
struction can be used to suspend the cycle by writ-
ing 0B0h to any address when an appropriate
Sector Select (FS0-FS7 or CSBOOT0-CSBOOT3)
is High. (See Table 7). This allows reading of data
from another Flash memory sector after the Erase
cycle has been suspended. Suspend Sector
Erase is accepted only during an Erase cycle and
defaults to Read mode. A Suspend Sector Erase
instruction executed during an Erase time-out pe-
riod, in addition to suspending the Erase cycle, ter-
minates the time out period.
The Toggle Flag (DQ6) bit stops toggling when the
PSD internal logic is suspended. The status of this
bit must be monitored at an address within the
Flash memory sector being erased. The Toggle
Flag (DQ6) bit stops toggling between 0.1 μs and
15 μs after the Suspend Sector Erase instruction
has been executed. The PSD is then automatically
set to Read mode.
If an Suspend Sector Erase instruction was exe-
cuted, the following rules apply:
– Attempting to read from a Flash memory sector
that was being erased outputs invalid data.
– Reading from a Flash sector that was
not
being
erased is valid.
– The Flash memory
cannot
be programmed, and
only responds to Resume Sector Erase and Re-
set Flash instructions (Read is an operation and
is allowed).
– If a Reset Flash instruction is received, data in
the Flash memory sector that was being erased
is invalid.
Resume Sector Erase.
If a Suspend Sector
Erase instruction was previously executed, the
erase cycle may be resumed with this instruction.
The Resume Sector Erase instruction consists of
writing 030h to any address while an appropriate
Sector Select (FS0-FS7 or CSBOOT0-CSBOOT3)
is High. (See Table 7.)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PSD834F2V | Flash PSD, 3.3V Supply, for 8-bit MCUs 2 Mbit 256 Kbit Dual Flash Memories and 64 Kbit SRAM |
| PSD934F2V-20MI | Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD934F2V | |
| PSD934F2V-15J | Low Power Economy BiCMOS Current Mode PWM 8-TSSOP -40 to 85 |
| PSD934F2V-15M | Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSD934F2-15J | 功能描述:SPLD - 簡單可編程邏輯器件 5V 2M 150ns RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池數(shù)量:10 最大工作頻率:66 MHz 延遲時間:25 ns 工作電源電壓:4.75 V to 5.25 V 電源電流:100 uA 最大工作溫度:+ 75 C 最小工作溫度:0 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:DIP-24 |
| PSD934F290J | 制造商:WSI 功能描述: |
| PSD934F2-90J | 功能描述:SPLD - 簡單可編程邏輯器件 PLCC-52 5V 2M 90NS RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池數(shù)量:10 最大工作頻率:66 MHz 延遲時間:25 ns 工作電源電壓:4.75 V to 5.25 V 電源電流:100 uA 最大工作溫度:+ 75 C 最小工作溫度:0 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:DIP-24 |
| PSD934F2-90M | 功能描述:SPLD - 簡單可編程邏輯器件 5V 2M 90ns RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池數(shù)量:10 最大工作頻率:66 MHz 延遲時間:25 ns 工作電源電壓:4.75 V to 5.25 V 電源電流:100 uA 最大工作溫度:+ 75 C 最小工作溫度:0 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:DIP-24 |
| PSD934F2V-15J | 功能描述:SPLD - 簡單可編程邏輯器件 3.3V 2M 150ns RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池數(shù)量:10 最大工作頻率:66 MHz 延遲時間:25 ns 工作電源電壓:4.75 V to 5.25 V 電源電流:100 uA 最大工作溫度:+ 75 C 最小工作溫度:0 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:DIP-24 |
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