AT90PWM2B-16SE ATMEL [ATMEL Corporation], AT90PWM2B-16SE Datasheet - Page 301

• Manufacturer Part Number: AT90PWM2B-16SE
• Description: 8-bit Microcontroller with 8K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

26.3
26.3.1
Table 26-1.
26.3.2
26.3.3
4317J–AVR–08/10
Factory
Calibration
User
Calibration
5. Minimum V
6. The Analog Comparator Propogation Delay equals 1 comparator clock plus 30 nS.
External Clock Drive Characteristics
Calibrated Internal RC Oscillator Accuracy
External Clock Drive Waveforms
External Clock Drive
for comparator clock definition.
Calibration Accuracy of Internal RC Oscillator
CC
V
IL1
for Power-down is 2.5V.
Figure 26-1. External Clock Drive Waveforms
Table 26-2.
V
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
IH1
t
CLCL
CLCL
7.3 - 8.1 MHz
Frequency
8.0 MHz
Parameter
Oscillator
Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period
from one clock
cycle to the next
External Clock Drive
2.7V - 5.5V
V
3V
Min.
CC
250
100
100
V
0
CC
=1.8-5.5V
Max.
2.0
2.0
4
2
Min.
Temperature
100
-40°C - 85°C
V
40
40
0
CC
25°C
=2.7-5.5V
AT90PWM2/3/2B/3B
See “Analog Comparator” on page 226.
Max.
1.6
1.6
10
2
Min.
V
50
20
20
0
Calibration Accuracy
CC
=4.5-5.5V
Max.
±10%
±1%
0.5
0.5
20
2
Units
MHz
ns
ns
ns
μs
μs
%
301