AT32UC3A1256AU Atmel Corporation, AT32UC3A1256AU Datasheet - Page 709

• Manufacturer Part Number: AT32UC3A1256AU
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A1256AU

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 69
• Ext Interrupts: 69
• 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
• Dram Memory: No
• 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
33.7.2
Name:
Access Type:
Offset:
Reset Value:
• SHTIM: Sample & Hold Time
• STARTUP: Start Up Time
• PRESCAL: Prescaler Rate Selection
• SLEEP: Sleep Mode
• LOWRES: Resolution
• TRGSEL: Trigger Selection
LOWRES
Sample & Hold Time = (SHTIM+1) / ADCClock
Startup Time = (STARTUP+1) * 8 / ADCClock
ADCClock = CLK_ADC / ( (PRESCAL+1) * 2 )
SLEEP
31
23
15
0
1
0
1
0
0
0
0
1
–
–
–
7
–
Mode Register
Selected Mode
Normal Mode
Sleep Mode
Selected Resolution
10-bit resolution
8-bit resolution
TRGSEL
30
22
14
0
0
1
1
0
MR
Read/Write
0x04
0x00000000
–
–
–
6
–
SLEEP
29
21
13
0
1
0
1
0
–
–
5
Selected TRGSEL
Internal Trigger 0, depending of chip integration
Internal Trigger 1, depending of chip integration
Internal Trigger 2, depending of chip integration
Internal Trigger 3, depending of chip integration
Internal Trigger 4, depending of chip integration
LOWRES
28
20
12
–
4
27
19
11
3
PRESCAL
STARTUP
TRGSEL
26
18
10
2
SHTIM
25
17
9
1
AT32UC3A
TRGEN
24
16
8
0
709