AT32UC3A1256AU Atmel Corporation, AT32UC3A1256AU Datasheet - Page 36

• 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
11. Fuses Settings
11.1
Table 11-1.
GPF31
23
15
31
7
Flash General Purpose Fuse Register (FGPFRLO)
FGPFR Register Description
GPF30
30
22
14
6
BODLEVEL[3:0]
The flash block contains a number of general purpose fuses. Some of these fuses have defined
meanings outside the flash controller and are described in this section.
The general purpose fuses are erase by a JTAG chip erase.
BODEN: Brown Out Detector Enable
Table 11-2.
BODHYST: Brown Out Detector Hysteresis
Table 11-3.
BODLEVEL: Brown Out Detector Trigger Level
This controls the voltage trigger level for the Brown out detector. Refer to
page 765
fuses, the part will be in constant reset. To recover from this situation, apply an external voltage
on VDDCORE that is higher than the BOD level and disable the BOD.
BODEN
0x0
0x1
0x2
0x3
BODHYST
0b
1b
GPF29
29
21
13
for values description. If the BODLEVEL is set higher than VDDCORE and enabled by
5
BODEN Field Description
BODEN Field Description
Description
BOD disabled
BOD enabled, BOD reset enabled
BOD enabled, BOD reset disabled
BOD disabled
Description
The Brown out detector hysteresis is disabled
he Brown out detector hysteresis is enabled.
28
20
12
4
LOCK[15:8]
LOCK[7:0]
BODEN
27
19
11
3
BOOTPROT
BODHYST
26
18
10
2
25
17
9
1
BODLEVEL[5:4]
sectionTable 38-6 on
AT32UC3A
EPFL
24
16
8
0
36