NJU6356EM NJR, NJU6356EM Datasheet - Page 3
![Real Time Clock Serial I/O Real Time Clock](/photos/16/0/160046/dmp8_sml.jpg)
NJU6356EM
Manufacturer Part Number
NJU6356EM
Description
Real Time Clock Serial I/O Real Time Clock
Manufacturer
NJR
Datasheet
1.NJU6356EM-TE1.pdf
(6 pages)
Specifications of NJU6356EM
Function
Clock, Calendar, Timer, Alarm, Low Battery Detect
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2 V
Maximum Operating Temperature
+ 80 C
Minimum Operating Temperature
- 30 C
Mounting Style
SMD/SMT
Rtc Bus Interface
Serial
Package / Case
DMP-8
Time Format
HH:MM:SS
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NJU6356EM
Manufacturer:
JRC
Quantity:
289
Company:
Part Number:
NJU6356EM-TE2
Manufacturer:
NEC
Quantity:
2 500
Part Number:
NJU6356EM-TE2
Manufacturer:
JRC
Quantity:
20 000
2. Timer Data Reading
output data strings is shown below.
terminal, and output the LSB of the timer data from the DATA terminal.
terminal and output from the DATA terminal.
data.
code of (EE)
< Read Out Timing >
When the I/O termianl is "L" and the CE tarminal is "H", timer data can read out. The output is LSB first and the
The timer data is transferred from timer counter to shift register at rising edge of the chip enable on the CE
Afterward the timer data in the shift register shift by synchronized at the falling edge of clock signal on the CLK
If the timer data is updated in the data output, there are one second difference between timer data and output
If the low voltage detector detect the low battery, (EE)
Shift
Register
Data
Output
CLK
CE
I/O
H
is a warning for the broken.
Note) When the CE signal is which rising edge or falling edge,
Type E
the CLK signal should be fixed to “L”. And so, before the
CE signal is raised, the I/O signal should be fixed to “L”.
The data is read out from LSB of Year, and first 52-bit is effective.
(1) (2)
0
0
Year
1
1
The timer data is transferred to the shift register at rising edge of the CE (1)
and LSB of the timer data is output to the DATA terminal.
timer data in the shift register shift by synchronized at falling edge of the
CLK(2) then output to the DATA terminal time-to-time.
Month
2
2
3
3
Year
4
4
Day
5
5
Days of
Week
H
6
6
is written into each digit of timer data and read out. The
7
7
Hour
Minute
3
3
Second
4
4
Second
5
5
Afterward the
6
6
NJU6356
7
7
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