AT32UC3C2256C Atmel Corporation, AT32UC3C2256C Datasheet - Page 111

• Manufacturer Part Number: AT32UC3C2256C
• Manufacturer: Atmel Corporation

Specifications of AT32UC3C2256C

• Flash (kbytes): 256 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 45
• Ext Interrupts: 64
• Usb Transceiver: 1
• Quadrature Decoder Channels: 1
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 5
• Twi (i2c): 2
• Uart: 4
• Can: 2
• Lin: 4
• Ssc: 1
• Ethernet: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 12
• Adc Speed (ksps): 2000
• Analog Comparators: 2
• Resistive Touch Screen: No
• Dac Channels: 2
• Dac Resolution (bits): 12
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 68
• 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 to 3.6 or 4.5 to 5.5
• Operating Voltage (vcc): 3.0 to 3.6 or 4.5 to 5.5
• Fpu: Yes
• Mpu / Mmu: Yes / No
• Timers: 3
• Output Compare Channels: 13
• Input Capture Channels: 6
• Pwm Channels: 14
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

8.6.15
Name:
Access Type:
Offset:
Reset Value:
• SFV: Store Final Value
• VREG33CTL: 3.3 Voltage Regulator Control
Table 8-9.
Note that this register is protected by a lock. To write to this register the UNLOCK register has to be written first. Please
refer to the UNLOCK register description for details.
32117C–AVR-08/11
VREG33CTL
SFV
31
23
15
0x0
0x1
0x2
0x3
7
-
-
-
0: The register is read/write.
1: The register is read-only, to protect against further accidental writes.
Voltage Regulator Control Register
Operation mode of 3.3V Voltage Regulator
Description
3.3V Regulator is ON
Reserved
Reserved
3.3V Regulator is OFF
30
22
14
VREGCTRL
Read/Write
0x0040
0x00000000
6
-
-
-
-
29
21
13
5
-
-
-
-
28
20
12
4
-
-
-
-
27
19
11
3
-
-
-
VREG33CTL
26
18
10
2
-
-
-
25
17
9
1
-
-
-
AT32UC3C
-
24
16
8
0
-
-
-
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