AT90PWM2B Atmel Corporation, AT90PWM2B Datasheet - Page 301

• Manufacturer Part Number: AT90PWM2B
• Manufacturer: Atmel Corporation

Specifications of AT90PWM2B

• Flash (kbytes): 8 Kbytes
• Pin Count: 24
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 19
• Ext Interrupts: 4
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 2
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 105
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 12
• Input Capture Channels: 1
• Pwm Channels: 7
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

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