AT90PWM216-16SE ATMEL [ATMEL Corporation], AT90PWM216-16SE Datasheet - Page 304

• Manufacturer Part Number: AT90PWM216-16SE
• Description: 8-bit Microcontroller with 16K Bytes In-System Programmable flash
• Manufacturer: ATMEL [ATMEL Corporation]

26.3
26.3.1
Table 26-1.
26.3.2
26.3.3
26.4
Table 26-2.
304
Factory
Calibration
User
Calibration
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
5. Minimum V
6. The Analog Comparator Propogation Delay equals 1 comparator clock plus 30 nS.
External Clock Drive Characteristics
Maximum Speed vs. V
AT90PWM216/316
Calibrated Internal RC Oscillator Accuracy
External Clock Drive Waveforms
External Clock Drive
for comparator clock definition.
Calibration Accuracy of Internal RC Oscillator
External Clock Drive
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from
one clock cycle to the
next
CC
for Power-down is 2.5V.
Figure 26-1. External Clock Drive Waveforms
Maximum frequency is depending on V
equals 8Mhz when V
contained between 4.5V and 5.5V.
7.3 - 8.1 MHz
Frequency
8.0 MHz
CC
Min.
250
100
100
0
V
CC
CC
=1.8-5.5V
is contained between 2.7V and 4.5V and equals 16Mhz when V
Max.
2.7V - 5.5V
2.0
2.0
4
2
V
3V
CC
CC.
Min.
100
40
40
0
V
As shown in
CC
=2.7-5.5V
Max.
Temperature
-40°C - 85°C
1.6
1.6
10
2
Figure 26-2
25°C
See “Analog Comparator” on page 229.
Min.
50
20
20
0
V
CC
, the Maximum Frequency
=4.5-5.5V
Calibration Accuracy
Max.
0.5
0.5
20
2
±10%
±1%
7710D–AVR–08/09
Units
MHz
ns
ns
ns
μs
μs
%
CC
is