MC3501 - ABOV Semiconductor
MC3501 - ABOV Semiconductor
MC3501 - ABOV Semiconductor
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<strong>MC3501</strong><br />
SERIAL COMMUMICATION FORMAT<br />
The following diagram shows the <strong>MC3501</strong>serial communication format. The DOUT Pin is selected output type (Nchannel<br />
open-drain type or Push-pull type) via command 4. If DOUT is selected open-drain type output , it is highly<br />
recommended that an external pull-up resistor (1KΩ to10KΩ) must be connected to DOUT.<br />
RECEPTION (Data/Command Write)<br />
STB<br />
DIN<br />
(DIO)<br />
CLK 1 2 3 7 8<br />
Transmission (Data Read)<br />
STB<br />
DIN<br />
(DIO)<br />
CLK<br />
DOUT<br />
(DIO)<br />
b0 b1 b2 b6 b7<br />
b0 b1 b2 b3 b4 b5 b6 b7<br />
0 1 0 0 0 0 1 0<br />
1 2 3 4 5 6 7 8<br />
where: t wait (waiting time) ≥ 1μs<br />
Data Read Command is set Data Reading Starts<br />
t wait<br />
If data continues.<br />
1 2 3 4 5 6 7 8 9 10 11 12 13 14<br />
b0 b1 b2 b3 b4 b5 b6 b7 b0 b1 b2 b3 b4 b5<br />
It must be noted that when the data is read, the waiting time (twait) between the rising of the eighth clock that<br />
has set the command and the falling of the first clock that has read the data is greater or equal to 1μs.<br />
December 17, 2010 Ver.2.3 20/24
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