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参数资料
| 型号： | M93S56-WMN6TG |
| 厂商： | 意法半导体 |
| 英文描述： | Hex Schmitt-Trigger Inverters 14-SSOP -40 to 85 |
| 中文描述： | 4Kbit，2Kbit和1Kbit 16位宽MICROWIRE串行EEPROM的访问与街区保护 |
| 文件页数： | 9/34页 |
| 文件大小： | 525K |
| 代理商： | M93S56-WMN6TG |
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M93S66, M93S56, M93S46
Read
The Read Data from Memory (READ) instruction
outputs serial data on Serial Data Output (Q).
When the instruction is received, the op-code and
address are decoded, and the data from the mem-
ory is transferred to an output shift register. A dum-
my 0 bit is output first, followed by the 16-bit word,
with the most significant bit first. Output data
changes are triggered by the rising edge of Serial
Clock (C). The M93Sx6 automatically increments
the internal address register and clocks out the
next byte (or word) as long as the Chip Select In-
put (S) is held High. In this case, the dummy 0 bit
is
not
output between bytes (or words) and a con-
tinuous stream of data can be read.
Write Enable and Write Disable
The Write Enable (WEN) instruction enables the
future execution of write instructions, and the Write
Disable (WDS) instruction disables it. When power
is first applied, the M93Sx6 initializes itself so that
write instructions are disabled. After an Write En-
able (WEN) instruction has been executed, writing
remains enabled until an Write Disable (WDS) in-
struction is executed, or until V
CC
falls below the
power-on reset threshold voltage. To protect the
memory contents from accidental corruption, it is
advisable to issue the Write Disable (WDS) in-
struction after every write cycle. The Read Data
from Memory (READ) instruction is not affected by
the Write Enable (WEN) or Write Disable (WDS)
instructions.
Write
The Write Data to Memory (WRITE) instruction is
composed of the Start bit plus the op-code fol-
lowed by the address and the 16 data bits to be
written.
Write Enable (W) must be held High before and
during the instruction. Input address and data, on
Serial Data Input (D) are sampled on the rising
edge of Serial Clock (C).
After the last data bit has been sampled,
the Chip
Select Input (S) must be taken Low before the next
rising edge of Serial Clock (C).
If Chip Select Input
(S) is brought Low before or after this specific time
frame, the self-timed programming cycle will not
be started, and the addressed location will not be
programmed.
While the M93Sx6 is performing a write cycle, but
after a delay (t
SLSH
) before the status information
becomes available, Chip Select Input (S) can be
driven High to monitor the status of the write cycle:
Serial Data Output (Q) is driven Low while the
M93Sx6 is still busy, and High when the cycle is
complete, and the M93Sx6 is ready to receive a
new instruction. The M93Sx6 ignores any data on
the bus while it is busy on a write cycle. Once the
M93Sx6 is Ready, Serial Data Output (Q) is driven
High, and remains in this state until a new start bit
is decoded or the Chip Select Input (S) is brought
Low.
Programming is internally self-timed, so the exter-
nal Serial Clock (C) may be disconnected or left
running after the start of a write cycle.
相关PDF资料 |
PDF描述 |
|---|---|
| M93S56-WMN6T | Hex Schmitt-Trigger Inverters 14-SSOP -40 to 85 |
| M93S56-WMN6P | 4Kbit, 2Kbit and 1Kbit 16-bit wide MICROWIRE Serial Access EEPROM with Block Protection |
| M93S56-WMN6G | Hex Schmitt-Trigger Inverters 14-SOIC -40 to 85 |
| M93S56-WMN6 | 4Kbit, 2Kbit and 1Kbit 16-bit wide MICROWIRE Serial Access EEPROM with Block Protection |
| M93S56-WMN3TP | 4Kbit, 2Kbit and 1Kbit 16-bit wide MICROWIRE Serial Access EEPROM with Block Protection |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M93S56-WMN6TP | 功能描述:电可擦除可编程只读存储器 2KBIT E-EPROM RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| M93S56-WMN6TP/S | 制造商:STMicroelectronics 功能描述:EEPROM SERL-MICROWIRE 2KBIT 128X16 3.3V/5V 8PIN SO N - Tape and Reel |
| M93S56-WMN6TP-CUT TAPE | 制造商:ST 功能描述:M93S56 Series 2 Kb (128 x 16) 2.5 V 3 Wire Microwire?Serial EEPROM - SOIC-8 |
| M93S66 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit 16-bit wide MICROWIRE Serial Access EEPROM with Block Protection |
| M93S66BN | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit 16-bit wide MICROWIRE Serial Access EEPROM with Block Protection |
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