參數(shù)資料
型號: M41T0M
廠商: 意法半導(dǎo)體
英文描述: SERIAL REAL-TIME CLOCK
中文描述: 串行實(shí)時(shí)時(shí)鐘
文件頁數(shù): 4/20頁
文件大?。?/td> 260K
代理商: M41T0M
M41T0
4/20
SUMMARY DESCRIPTION
The M41T0 TIMEKEEPER
RAM is a low power
Serial TIMEKEEPER with a built-in 32.768kHz os-
cillator (external crystal controlled). Eight registers
are used for the clock/calendar function and are
configured in binary coded decimal (BCD) format.
Addresses and data are transferred serially via a
two-line bi-directional bus. The built-in address
register is incremented automatically after each
WRITE or READ data byte.
The M41T0 is supplied in 8 lead Plastic Small Out-
line package.
Figure 2. Logic Diagram
Figure 3. SOIC Connections
Note: 1. NF pin must be tied to V
SS
.
Table 1. Signal Names
Note: 1. NF pin must be tied to V
SS
.
AI07028
OSCI
VCC
M41T0
VSS
SCL
OSCO
SDA
OUT
1
2
3
4
SDA
VSS
SCL
OUT
OSCO
NF(1)
OSCI
VCC
AI07029
M41T0
8
7
6
5
OSCI
Oscillator Input
OCSO
Oscillator Output
OUT
Output Driver (Open Drain)
SDA
Serial Data Address Input / Output
SCL
Serial Clock
NF
(1)
No Function
V
CC
Supply Voltage
V
SS
Ground
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