AT90PWM3B Atmel Corporation, AT90PWM3B Datasheet - Page 35

• 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

4317J–AVR–08/10
Table 7-9.
1.
2.
3.
Figure 7-4.
Ext Osc
CKSEL
Ext Clk
0101
0001
3..0
XTAL1
XTAL2
This value do not provide a proper restart ; do not use PD in this clock scheme
This value do not provide a proper restart ; do not use PD in this clock scheme
This value do not provide a proper restart ; do not use PD in this clock scheme
RC OSCILLATOR
SUT1..0
OSCCAL
Start-up Times when the PLL is selected as system clock
PCK Clocking System AT90PWM2/3
00
01
10
11
00
01
10
11
OSCILLATORS
8 MHz
Start-up Time from Power-down
and Power-save
DIVIDE
BY 8
16K CK
16K CK
6 CK
6 CK
6 CK
1K CK
1K CK
(1)
(2)
(3)
PLL
PLLE
64x
Detector
Lock
Reserved
DIVIDE
DIVIDE
PLLF
BY 2
BY 4
AT90PWM2/3/2B/3B
Additional Delay from Reset
14CK + 64 ms
14CK + 64 ms
14CK + 4 ms
14CK + 4 ms
14CK + 4 ms
(V
CLK
CC
PLOCK
CK
14CK
14CK
PLL
= 5.0V)
SOURCE
35