AT90USB647 Atmel Corporation, AT90USB647 Datasheet - Page 142
AT90USB647
Manufacturer Part Number
AT90USB647
Description
Manufacturer
Atmel Corporation
Specifications of AT90USB647
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
48
Ext Interrupts
16
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
2
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
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
10
Input Capture Channels
1
Pwm Channels
9
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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Table 14-4.
Note:
14.10.3
14.10.4
142
Mode
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
1. The CTCn and PWMn1:0 bit definition names are obsolete. Use the
AT90USB64/128
WGMn3
Timer/Counter1 Control Register B – TCCR1B
Timer/Counter3 Control Register B – TCCR3B
location of these bits are compatible with previous versions of the timer.
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Waveform Generation Mode Bit Description
WGMn2
(CTCn)
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
• Bit 7 – ICNCn: Input Capture Noise Canceler
Setting this bit (to one) activates the Input Capture Noise Canceler. When the Noise Canceler is
activated, the input from the Input Capture Pin (ICPn) is filtered. The filter function requires four
successive equal valued samples of the ICPn pin for changing its output. The input capture is
therefore delayed by four Oscillator cycles when the noise canceler is enabled.
• Bit 6 – ICESn: Input Capture Edge Select
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
(PWMn1)
WGMn1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
7
ICNC1
R/W
0
7
ICNC3
R/W
0
(PWMn0)
WGMn0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
6
ICES1
R/W
0
6
ICES3
R/W
0
Timer/Counter Mode of
Operation
Normal
PWM, Phase Correct, 8-bit
PWM, Phase Correct, 9-bit
PWM, Phase Correct, 10-bit
CTC
Fast PWM, 8-bit
Fast PWM, 9-bit
Fast PWM, 10-bit
PWM, Phase and Frequency
Correct
PWM, Phase and Frequency
Correct
PWM, Phase Correct
PWM, Phase Correct
CTC
(Reserved)
Fast PWM
Fast PWM
5
–
R
0
5
–
R
0
(1)
4
WGM13
R/W
0
4
WGM33
R/W
0
WGM
3
WGM32
R/W
0
3
WGM12
R/W
0
n2:0 definitions. However, the functionality and
R/W
2
CS12
R/W
0
2
CS32
0
TOP
0xFFFF
0x00FF
0x01FF
0x03FF
OCRnA
0x00FF
0x01FF
0x03FF
ICRn
OCRnA
ICRn
OCRnA
ICRn
–
ICRn
OCRnA
1
CS31
R/W
0
1
CS11
R/W
0
Update of
OCRn
Immediate
TOP
TOP
TOP
Immediate
TOP
TOP
TOP
BOTTOM
BOTTOM
TOP
TOP
Immediate
–
TOP
TOP
0
CS30
R/W
0
0
CS10
R/W
0
x
at
TCCR3B
TCCR1B
7593K–AVR–11/09
TOVn Flag
Set on
MAX
BOTTOM
BOTTOM
BOTTOM
MAX
TOP
TOP
TOP
BOTTOM
BOTTOM
BOTTOM
BOTTOM
MAX
–
TOP
TOP
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