AT32UC3A1256AU Atmel Corporation, AT32UC3A1256AU Datasheet - Page 80

• 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
13.6.10
Name:
Access Type:
•
•
•
•
•
•
•
•
POR Power-on Reset
BOD: Brown-out Reset
EXT: External Reset Pin
WDT: Watchdog Reset
JTAG: JTAG reset
CPUERR: CPU Error
OCDRST: OCD Reset
JTAGHARD: JTAG Hard Reset
CPUERR
31
23
15
7
-
-
-
The CPU was reset due to the supply voltage being lower than the power-on threshold level.
The CPU was reset due to the supply voltage being lower than the brown-out threshold level.
The CPU was reset due to the RESET pin being asserted.
The CPU was reset because of a watchdog timeout.
The CPU was reset by setting the bit RC_CPU in the JTAG reset register.
The CPU was reset because it had detected an illegal access.
The CPU was reset because the RES strobe in the OCD Development Control register has been written to one.
The chip was reset by setting the bit RC_OCD in the JTAG reset register or by using the JTAG HALT instruction.
Reset Cause
30
22
14
RCAUSE
Read-only
6
-
-
-
-
29
21
13
5
-
-
-
-
JTAG
28
20
12
4
-
-
-
WDT
27
19
11
3
-
-
-
EXT
26
18
10
2
-
-
-
JTAGHARD
BOD
25
17
9
1
-
-
AT32UC3A
OCDRST
POR
24
16
8
0
-
-
80