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D4259344C
- GPIO signal output
GPIO signal output circuits of LINE1, LINE2 are different.
Output signal delay is dependent on LINE.
Ton
OpenCollector
LINE1
LINE2
0V
0V
LVTTL
Toff
(OpenCollector)
(LVTTL)
(a) ActiveLow
Ton
LINE1
LINE2
0V
0V
LVTTL
Toff
(OpenCollector)
(LVTTL)
OpenCollector
(b) ActiveHigh
GPIO Signal Output Delay
Toff : LINE1~LINE2 falling delay time
Ton : LINE1~LINE2 rising delay time
Pull-up amplitude
Toff [μs]
Ton [μs]
+3.3V
3
22
+12V
4
26
+24V
5
26
* Measured with 2.2k ohm pulled up register on LINE2.
* Toff and Ton are typical value. These values are changed in operating environment.