參數(shù)資料
型號(hào): RTC-4543
廠商: 愛(ài)普生(中國(guó))有限公司
英文描述: Serial-Interface Real Time Clock Module(串行接口實(shí)時(shí)時(shí)鐘模塊)
中文描述: 串行接口實(shí)時(shí)時(shí)鐘模塊(串行接口實(shí)時(shí)時(shí)鐘模塊)
文件頁(yè)數(shù): 2/4頁(yè)
文件大?。?/td> 124K
代理商: RTC-4543
54
Real time clock module
FDT
MSB
Seconds (0 to 59)
s 40
s 20
s 10
s 8
s 4
s 2
s 1
Minutes (0 to 59)
mi 40
mi 20
mi 10
mi 8
mi 4
mi 2
mi 1
Hour (0 to 23)
h 20
h 10
h 8
h 4
h 2
h 1
Day of the week (1 to 7)
w 4
w 2
w 1
Day (1 to 31)
d 20
d 10
d 8
d 4
d 2
d 1
TM
Month (1 to 12)
mo 10
mo 8
mo 4
mo 2
mo 1
y 80
year (0 to 99)
y 40
y 20
y 10
y 8
y 4
y 2
y 1
FDT bit: Supply voltage detection bit.
TM bit: Test bit always set this bit to "0".
Switching characteristics
Block diagram
Register table
Timing chart
32.768 kHz
F
OUT
F
SEL
F
OE
CLK
WR
CE
DATA
(Ta=-40 to +85C, C
L
=50 pF)
Output
controller
I/O
controller
circuit
Voltage
detecter
Divider
Oscillator
Clock and calendar
Shift register
F
OE
F
OUT
F
OUT
DATA
CLK
CE
WR
DATA
CLK
CE
WR
V
IL
V
IH
Enabled
High impedance
Disabled
t
XZ
t
f 2
t
SD
t
HD
t
DATA
t
CLKH
t
CLKH
t
CES
t
CES
t
CLK
t
CLK
t
WRS
t
WRS
t
r1
t
CE
t
CE
t
f1
t
r1
t
f1
t
CEH
t
OZ
t
CEH
t
RCV
t
RCV
t
WRH
t
WRH
t
CLKL
t
CLKL
t
r2
t
t
H
t
ZX
Duty=
x 100
t
t
H
[%]
Data read
Data write
F
OUT
Disabled and Enabled
Item
CLK clock cycle
CLK high pulse width
CLK low pulse width
CE setup time
CE hold time
CE enable time
Write data setup time
Write data hold time
WR setup time
WR hold time
DATA output delay time
DATA output floating time
Clock input rise time
Clock input fall time
F
OUT
rise time
F
OUT
fall time
Disable time
Enable time
F
OUT
duty ratio
Wait time
Symbol
t
CLK
t
CLKH
t
CLKL
t
CES
t
CEH
t
CE
t
SD
t
HD
t
WRS
t
WRH
t
DATA
t
DZ
t
r1
t
f1
t
r2
t
f2
t
XZ
t
ZX
Duty
t
rcv
Min.
0.75
0.375
0.1
100
40
0.95
Max.
7800
3900
0.9
0.2
0.1
50
100
60
Min.
1.5
0.75
0.2
0.1
100
40
1.9
Max.
7800
3900
0.9
0.4
0.2
100
200
60
Unit
μ
s
s
μ
s
ns
μ
s
ns
%
μ
s
C
L
= 30pF
V
DD
= 5V± 10%
V
DD
= 3V± 10%
相關(guān)PDF資料
PDF描述
RTC-4553 High-Frequency High-Stability Serial-Interface Real Time Clock Module(高頻率、高穩(wěn)定性、串行接口實(shí)時(shí)時(shí)鐘模塊)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RTC4543SA 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:SERIAL-INTERFACE REAL TIME CLOCK MODULE(66.74 k)
RTC-4543SA 制造商:Seiko Epson Corporation 功能描述: 制造商:Epson Electronics America Inc 功能描述:RTC module,3Wire Serial,Alarm,SOP14