ATXMEGA384C3_14 Datasheet, PDF (84/125 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA C3 Microcontroller

Table 35-28. Two-wire Interface Characteristics (Continued)
Symbol Parameter
t_HD;DAT Data hold time
t_SU;DAT Data setup time
t_SU;STO Setup time for STOP condition
t_BUF
Bus free time between a STOP and
START condition
Notes:
1. Required only for f_SCL > 100kHz.
2. C_b = Capacitance of one bus line in pF.
3. f_PER = Peripheral clock frequency.
Condition
f_SCL  100kHz
f_SCL > 100kHz
f_SCL  100kHz
f_SCL > 100kHz
f_SCL  100kHz
f_SCL > 100kHz
f_SCL  100kHz
f_SCL > 100kHz
Min.
0
0
250
100
4.0
0.6
4.7
1.3
Typ.
Max.
3.45
0.9
Units
µs
ns
µs
XMEGA C3 [DATASHEET]
84
Atmel-8361F-AVR-ATxmega384C3-Datasheet–11/2014