AT32UC3A0256 Atmel Corporation, AT32UC3A0256 Datasheet - Page 685

• Manufacturer Part Number: AT32UC3A0256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A0256

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 109
• Ext Interrupts: 109
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 1
• Uart: 4
• Ssc: 1
• Ethernet: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 16
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 64
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Operating Voltage (vcc): 3.0-3.6 or (1.65-1.95+3.0-3.6)
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 10
• Output Compare Channels: 16
• Input Capture Channels: 6
• Pwm Channels: 13
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

32058K AVR32-01/12
32.7.2
Register Name:
Access Type:
•
•
DIVA, DIVB
0
1
2-255
DIVA, DIVB: CLKA, CLKB Divide Factor
PREA, PREB
0
0
0
0
0
0
0
0
1
1
1
31
23
15
–
–
7
PWM Mode Register
PREA, PREB
0
0
0
0
1
1
1
1
0
0
0
Other
30
22
14
–
–
6
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
29
21
13
–
–
5
MR
Read/Write
CLKA, CLKB
CLKA, CLKB clock is turned off
CLKA, CLKB clock is clock selected by PREA, PREB
CLKA, CLKB clock is clock selected by PREA, PREB divided by DIVA, DIVB factor.
MCK.
MCK/2
MCK/4
MCK/8
MCK/16
MCK/32
MCK/64
MCK/128
MCK/256
MCK/512
MCK/1024
Reserved
28
20
12
–
–
4
DIVB
DIVA
27
19
11
3
Divider Input Clock
26
18
10
2
PREB
PREA
25
17
9
1
AT32UC3A
24
16
8
0
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