AT90PWM3B Atmel Corporation, AT90PWM3B Datasheet - Page 302

• Manufacturer Part Number: AT90PWM3B
• Manufacturer: Atmel Corporation

Specifications of AT90PWM3B

• Flash (kbytes): 8 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 27
• Ext Interrupts: 4
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 125
• Analog Comparators: 3
• 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: 5
• Output Compare Channels: 16
• Input Capture Channels: 1
• Pwm Channels: 12
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

26.4
26.5
302
Maximum Speed vs. V
PLL Characteristics
AT90PWM2/3/2B/3B
Maximum frequency is depending on V
equals 8Mhz when V
contained between 4.5V and 5.5V.
Figure 26-2. Maximum Frequency vs. V
.
Table 26-3.
Note:
Symbol
PLL
PLL
PLL
IF
F
LT
While connected to external clock or external oscillator, PLL Input Frequency must be selected to
provide outputs with frequency in accordance with driven parts of the circuit (CPU core, PSC...)
CC
PLL Characteristics - V
16Mhz
8Mhz
Parameter
Input Frequency
PLL Factor
Lock-in Time
CC
is contained between 2.7V and 4.5V and equals 16Mhz when V
2.7V
CC
CC.
= 2.7V to 5.5V (unless otherwise noted)
CC
As shown in
, AT90PWM2/2B/3/3B
Safe Operating Area
4.5V
Min.
0.5
Figure 26-2
Typ.
5.5V
64
1
, the Maximum Frequency
Max.
64
2
4317J–AVR–08/10
Units
MHz
µS
CC
is