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參數(shù)資料
| 型號： | M41ST84YMH6E |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復(fù)及定時提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO28 |
| 封裝： | 0.330 INCH, LEAD FREE, PLASTIC, SOH-28 |
| 文件頁數(shù)： | 2/31頁 |
| 文件大?。?/td> | 507K |
| 代理商： | M41ST84YMH6E |
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M41ST84Y, M41ST84W
10/31
READ Mode
In this mode the master reads the M41ST84Y/W
slave after setting the slave address (see Figure
11., page 10). Following the WRITE Mode Control
Bit (R/W=0) and the Acknowledge Bit, the word
address ‘An’ is written to the on-chip address
pointer. Next the START condition and slave ad-
dress are repeated followed by the READ Mode
Control Bit (R/W=1). At this point the master trans-
mitter becomes the master receiver. The data byte
which was addressed will be transmitted and the
master receiver will send an Acknowledge Bit to
the slave transmitter. The address pointer is only
incremented on reception of an Acknowledge
Clock. The M41ST84Y/W slave transmitter will
now place the data byte at address An+1 on the
bus, the master receiver reads and acknowledges
the
new
byte
and
the
address
pointer
is
incremented to “An+2.”
This cycle of reading consecutive addresses will
continue until the master receiver sends a STOP
condition to the slave transmitter (see Figure
The system-to-user transfer of clock data will be
halted whenever the address being read is a clock
address (00h to 07h). The update will resume ei-
ther due to a Stop Condition or when the pointer
increments to a non-clock or RAM address.
Note: This is true both in READ Mode and WRITE
Mode.
An alternate READ Mode may also be implement-
ed whereby the master reads the M41ST84Y/W
slave without first writing to the (volatile) address
pointer. The first address that is read is the last
one
stored
in
the
pointer
(see
Figure 11. Slave Address Location
Figure 12. READ Mode Sequence
AI00602
R/W
SLAVE ADDRESS
START
A
0
100
0
11
MSB
LSB
AI00899
BUS ACTIVITY:
ACK
S
ACK
NO
ACK
STOP
START
P
SDA LINE
BUS ACTIVITY:
MASTER
R/W
DATA n
DATA n+1
DATA n+X
WORD
ADDRESS (An)
SLAVE
ADDRESS
S
START
R/W
SLAVE
ADDRESS
ACK
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參數(shù)描述 |
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| M41ST84YMQ | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS |
| M41ST84YMQ1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS |
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| M41ST84YMQ6 | 功能描述:實時時鐘 Serial 512 (64x8) 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| M41ST84YMQ6E | 功能描述:IC RTC 5.0V 512BIT NVRAM 16SOIC RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 實時時鐘 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:時鐘/日歷 特點:警報器，閏年，SRAM 存儲容量:- 時間格式:HH:MM:SS（12/24 小時） 數(shù)據(jù)格式:YY-MM-DD-dd 接口:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源，電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件 |
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