
DS1306
14 of 22
Figure 9. 3-WIRE SINGLE BYTE TRANSFER
NOTE: IN BURST MODE, CE IS KEPT HIGH AND ADDITIONAL SCLK CYCLES ARE SENT UNTIL THE END OF THE BURST.
*
I/O IS SDI AND SDO TIED TOGETHER.
A0
A1
A2
A3
A4
A5
A6
1
CE
SCLK
I/O*
D0
D1
D2
D3
D4
D5
D6 D7
SINGLE-BYTE WRITE
D0
D1
D2
D3
D4
D5
D6
D7
A0
A1
A2
A3
A4
A5 A6
0
I/O*
CE
SCLK
SINGLE-BYTE READ
SERMODE = GND