MEGA128CAN Datasheet, PDF (358/413 Pages) ATMEL Corporation – Microcontroller WITH 128K BYTES OF ISP FLASH AND CAN CONTROLLER

External Clock Drive Characteristics
Figure 169. External Clock Drive Waveforms
V_IH1
V_IL1
Table 137. External Clock Drive
Symbol
1/t_CLCL
t_CLCL
t_CHCX
t_CLCX
t_CLCH
t_CHCL
∆t_CLCL
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from one clock
cycle to the next
V_CC = 2.7 - 5.5V
Min. Max.
0
8
125
50
50
1.6
1.6
V_CC = 4.5 - 5.5V
Min. Max.
0
16
62.5
25
25
0.5
0.5
Units
MHz
ns
ns
ns
µs
µs
2
2
%
358 AT90CAN128
4250E–CAN–12/04