AT32UC3A1256AU Atmel Corporation, AT32UC3A1256AU Datasheet - Page 74

• 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
13.6.5
Register name
Register access
•
Choose between crystal, or external clock
•
Select startup time for the oscillator.
Table 13-7.
STARTUP
MODE: Oscillator Mode
STARTUP: Oscillator Startup Time
31
23
15
0
1
2
3
4
5
6
7
7
-
-
-
-
0: External clock connected on XIN, XOUT can be used as an I/O (no crystal)
1 to 3: reserved
4: Crystal is connected to XIN/XOUT - Oscillator is used with gain G0 ( XIN from
5: Crystal is connected to XIN/XOUT - Oscillator is used with gain G1 ( XIN from
6: Crystal is connected to XIN/XOUT - Oscillator is used with gain G2 ( XIN from
7: Crystal is connected to XIN/XOUT - Oscillator is used with gain G3 ( XIN from
PM Oscillator 0/1 Control
Startup time for oscillators 0 and 1
Number of RC oscillator
clock cycle
0
64
128
2048
4096
8192
16384
Reserved
30
22
14
6
-
-
-
-
29
21
13
5
-
-
-
-
OSCCTRL0,1
Read/Write
Approximative Equivalent time
(RCOsc = 115 kHz)
0
560 us
1.1 ms
18 ms
36 ms
71 ms
142 ms
Reserved
28
20
12
4
-
-
-
-
27
19
11
3
-
-
-
-
0.4 MHz to 0.9 MHz ).
0.9 MHz to 3.0 MHz ).
3.0 MHz to 8.0 MHz ).
8.0 Mhz).
26
18
10
2
-
-
STARTUP
MODE
25
17
9
1
-
-
AT32UC3A
24
16
8
0
-
-
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