AT32UC3B1128 Atmel Corporation, AT32UC3B1128 Datasheet - Page 67

• Manufacturer Part Number: AT32UC3B1128
• Manufacturer: Atmel Corporation

Specifications of AT32UC3B1128

• Flash (kbytes): 128 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 60 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 28
• Ext Interrupts: 28
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 3
• Twi (i2c): 1
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 6
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• 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

9.6.16
Name::
Register access:
Offset:
Reset Value:
• KEY: Register Write protection
• CALIB: Calibration value
• FCD: Flash Calibration Done
32059L–AVR32–01/2012
31
23
15
7
-
-
-
• This field must be written twice, first with key value 0x55, then 0xAA, for a write operation to have an effect.
• Calibration value for Voltage Regulator. The user can change this value to decrease or increase the Voltage Regulator output
• Set to 1 when the CALIB field has been updated by the Flash fuses after power-on reset or Flash fuses update.
• 0: Allow subsequent overwriting of the CALIB value by Flash fuses.
• 1: The CALIB value will not be updated again by Flash fuses.
•
•
voltage.
Voltage Regulator Calibration Register
30
22
14
VREGCR
Read/Write
0x0C8
-
6
-
-
-
29
21
13
5
-
-
-
28
20
12
4
-
-
-
KEY
27
19
11
3
-
-
-
26
18
10
2
-
-
CALIB
25
17
9
1
-
-
FCD
24
16
8
0
-
67