參數(shù)資料
型號： M41ST87WMX6
廠商： 意法半導體
英文描述： RECTIFIER SCHOTTKY SINGLE 10A 25V 200A-Ifsm 0.45Vf 1A-IR D2PAK 50/TUBE
中文描述： 5.0，3.3，或3.0V，1280位（160 × 8）安全串行時鐘和NVRAM篡改檢測與監(jiān)控
文件頁數(shù)： 13/40頁
文件大?。?/td> 610K
代理商： M41ST87WMX6
13/40
M41ST87Y, M41ST87W
Figure 11. Alternate READ Mode Sequence
WRITE Mode
In this mode the master transmitter transmits to
the M41ST87Y/W slave receiver. Bus protocol is
shown in
Figure 12., page 13
. Following the
START condition and slave address, a logic '0' (R/
W=0) is placed on the bus and indicates to the ad-
dressed device that word address An will follow
and is to be written to the on-chip address pointer.
The data word to be written to the memory is
strobed in next and the internal address pointer is
incremented to the next memory location within
the RAM on the reception of an acknowledge
clock. The M41ST87Y/W slave receiver will send
an acknowledge clock to the master transmitter af-
ter it has received the slave address (see
Figure
9., page 12
) and again after it has received the
word address and each data byte.
Figure 12. WRITE Mode Sequence
Figure 13. WRITE Cycle Timing: RTC & External SRAM Control Signals
AI00895
BUS ACTIVITY:
A
S
A
A
A
N
S
S
P
SDA LINE
BUS ACTIVITY:
MASTER
R
DATA n
DATA n+1
DATA n+X
SLAVE
ADDRESS
AI00591
BUS ACTIVITY:
A
S
A
A
A
A
S
S
P
SDA LINE
BUS ACTIVITY:
MASTER
R
DATA n
DATA n+1
DATA n+X
WORD
ADDRESS (An)
SLAVE
ADDRESS
AI03663
EX
ECON
tEXPD
tEXPD
相關PDF資料
PDF描述
M41ST87WMX6TR 5.0, 3.3, or 3.0V, 1280 bit (160 x8) Secure Serial RTC and NVRAM Supervisor with Tamper Detection
M41ST95Y 5.0 or 3.0V, 512 bit (64 bit X 8) Serial RTC (SPI) SRAM and NVRAM Supervisor
M41ST95YMX6 TWO-HEADED HOOD-COVER ONL
M41ST95YMX6E TWO HEADED HOOD COVER
M41ST95YMX6F TWO HEADED HOOD KIT M/M
相關代理商/技術參數(shù)
參數(shù)描述
M41ST87WMX6F 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
M41ST87WMX6TR 功能描述:實時時鐘 Serial 1280 (160x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
M41ST87WSS6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
M41ST87WSS6F 功能描述:實時時鐘 128 NVRAM Serial RTC 3.0 to 3.6 Vcc RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
M41ST87Y 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0, 3.3, or 3.0V, 1280 bit (160 x8) Secure Serial RTC and NVRAM Supervisor with Tamper Detection
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