![](/images/new-backgrounds/1170236/170236329x1.webp)
[Master device]
BSY
DASP- [Slave device]
BSY
5.6.4Power-on and reset
Figure 5.20 shows power-on and reset (hardware and software reset) timing.
(1)Only master device is present
Clear Reset *1
Power-on
RESET-
tM![](/images/new-backgrounds/1170236/170236329xi4.webp)
![](/images/new-backgrounds/1170236/170236329xi5.webp)
Software reset
tN
BSY
DASP-
tP
*1: Reset means including
(2)Master and slave devices are present
Clear Reset
tN
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| PDIAG- |
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| DASP- |
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Symbol | Timing parameter |
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tM | Pulse width of RESET- |
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| 25 | — | μs | ||||||||
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tN | Time from RESET- negation to BSY set |
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| — | 400 | ns | ||||||||
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tP | Time from RESET- negation to DASP- or DIAG- negation |
| — | 1 | ms | |||||||||||
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tQ |
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| — | 30 | s | |||||||||
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tR | Time from RESET- negation to DASP- assertion (slave device) |
| — | 400 | ms | |||||||||||
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tS | Duration of DASP- assertion |
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| — | 31 | s | ||||||||
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Figure 5.20 Power-on Reset Timing
5 - 100 |
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