參數(shù)資料
型號： RX-4045SA
廠商： 愛普生（中國）有限公司
英文描述： 4-wire serial interface high-stability RTC module
中文描述： 4線串行接口，高穩(wěn)定時鐘模塊
文件頁數(shù)： 1/3頁
文件大?。?/td> 56K
代理商： RX-4045SA
New Product
4-wire serial interface high-stability RTC module
RX
–4045
SA
Preliminary
Preliminary
2002.8 Ver.0.1
Product number:Q4140455xxxxx00
Built in frequency adjusted 32.768 kHz crystal unit.
Serial interface which can be controlled by 4 or 3 signal lines.
Dual Alarm and Timer IRQ function are Available.
32.768 kHz clock frequency output. (FOUT)
Low backup current : 0.48 μA / 3 V ( Typ.)
Wide operating voltage range : 1.7 V to 5.5 V Wide timekeeper voltage range : 1.15 V to 5.5 V
Available as small package.( SOP-14pin )
I
Block Diagram
I
Pin Assignment
RX - 4045 SA
OSC
OSC
Detect
/ INT
CLK
CE
FOUT
32 kHz
Output
Control
Divider
Correc
-tion
Div.
Interrupt Control
Shift Register
Time Counter
( Sec,Min,Hour,Week,Day,Month,Year )
Address
Decoder
Address
Register
Comparator_D
Comparator_W
Alarm_W Register
( Min,Hour,Week )
I/O
Control
Alarm_D Register
( Min,Hour )
Voltage
Detect
GND
V
DD
DI
DO
I
Pin Descriptions
Terminal Pin No.
CLK
# 7
# 1
# 8
#14
1. N.C.
2. CLK
3. FOUT
4. N.C.
5. TEST
6. V
DD
7. CE
14. N.C.
13. DO
12. DI
11. GND
10. /INT
9. N.C.
8. N.C.
Pin Assignment
5.0
10.1
3.2
7.4
0.35
1.27
Descriptions
Serial clock input
32.768 kHz output
(Nch open drain)
TEST terminal
VDD
Chip enable
2
FOUT
3
TEST
V
DD
CE
5
6
7
/INT
10
Interrupt output
(Nch open drain)
GND
DI
DO
11
12
13
GND
Data input
Data output
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