xmega a3u - Elfa
xmega a3u - Elfa
xmega a3u - Elfa
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XMEGA A3U<br />
Table 36-32.<br />
t HD;STA<br />
t LOW<br />
t HIGH<br />
t SU;STA<br />
t HD;DAT<br />
t SU;DAT<br />
t SU;STO<br />
t BUF<br />
Two-wire interface characteristics. (Continued)<br />
Symbol Parameter Condition Min. Typ. Max. Units<br />
Hold Time (repeated) START condition<br />
Low Period of SCL Clock<br />
High Period of SCL Clock<br />
Set-up time for a repeated START<br />
condition<br />
Data hold time<br />
Data setup time<br />
Setup time for STOP condition<br />
Bus free time between a STOP and<br />
START condition<br />
Notes: 1. Required only for f SCL > 100kHz.<br />
2. C b = Capacitance of one bus line in pF.<br />
3. f PER = Peripheral clock frequency.<br />
f SCL ≤ 100kHz 4.0<br />
f SCL > 100kHz 0.6<br />
f SCL ≤ 100kHz 4.7<br />
f SCL > 100kHz 1.3<br />
f SCL ≤ 100kHz 4.0<br />
f SCL > 100kHz 0.6<br />
f SCL ≤ 100kHz 4.7<br />
f SCL > 100kHz 0.6<br />
f SCL ≤ 100kHz 0 3.45<br />
f SCL > 100kHz 0 0.9<br />
f SCL ≤ 100kHz 250<br />
f SCL > 100kHz 100<br />
f SCL ≤ 100kHz 4.0<br />
f SCL > 100kHz 0.6<br />
f SCL ≤ 100kHz 4.7<br />
f SCL > 100kHz 1.3<br />
µs<br />
µs<br />
8386B–AVR–12/11<br />
91
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