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Slew-rate setting

Michi Yama
Guru 10030 points
Other Parts Discussed in Thread: AM3874

Hi,

I have questions regarding slew rate and impedance setting of AM3874.

Please see the following.

Table 7-15 shows that the Drive Strength is the control of driver current. And it can be done by  changing to the internal resistance of AM3874.

Tabcle 7-16 shows that Slew rate can be changed by resister setting.

1) As I wrote the above, the driver current can control by changing to the internal resistance of AM3874. How about Slew rate? What factor is controlled?

2) If SR0/SR1 setting is changed, how is waveform changed?

3) How does the waveform affect by changing the drive current?

Please advise me.

I appreciate your quick reply.

Best regards,

Michi