ATXMEGA128B1 Datasheet, PDF (126/138 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA B1 Microcontroller

37.9 PDI characteristics
Figure 37-75.Maximum PDI frequency vs. V_CC.
20.5
20.0
19.5
19.0
18.5
25°C
-40°C
18.0
85°C
17.5
17.0
1.6
1.8
2
2.2
2.4
2.6
2.8
3
3.2
3.4
3.6
V_CC [V]
XMEGA B1 [DATASHEET]
8330C–AVR–07/2012
126