DS1344 Maxim, DS1344 Datasheet - Page 17
![no-image](/images/no-image-200.jpg)
DS1344
Manufacturer Part Number
DS1344
Description
The DS1343/DS1344 low-current real-time clocks (RTCs) are timekeeping devices that provide an extremely low standby current, permitting longer life from a backup supply source
Manufacturer
Maxim
Datasheet
1.DS1343.pdf
(20 pages)
- Current page: 17 of 20
- Download datasheet (2Mb)
Figure 4. SPI Single-Byte Write
Figure 5. SPI Single-Byte Read
Figure 6. SPI Multibyte Burst Transfer
CE
SCLK*
SDI
SDO
*SCLK CAN BE EITHER POLARITY.
SERMODE = V
CE
SCLK*
SDI
SDO
*SCLK CAN BE EITHER POLARITY.
SERMODE = V
WRITE
READ
SCLK
SDO
CC
CC
SDI
SDI
CE
.
.
R/W
R/W
0
1
A6
A6
A5
A5
HIGH-Z
HIGH-Z
A4
A4
ADDRESS
ADDRESS
BYTE
BYTE
A3
A3
Low-Current SPI/3-Wire RTCs
A2
A2
A1
A1
BYTE 0
BYTE 0
DATA
DATA
A0
A0
D7
D7
BYTE 1
BYTE 1
DATA
DATA
D6
D6
D5
D5
D4
D4
BYTE N
BYTE N
DATA
DATA
D3
D3
D2
D2
D1
D1
D0
D0
17
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