AT32UC3A0512-ALTTA Atmel, AT32UC3A0512-ALTTA Datasheet - Page 97

• Manufacturer Part Number: AT32UC3A0512-ALTTA
• Description: IC MCU AVR32 512K FLASH 144LQFP
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3A0512-ALTTA

• Core Processor: AVR
• Core Size: 32-Bit
• Speed: 66MHz
• Connectivity: EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 109
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

15.6.1
Name:
Access Type:
•
•
•
32058J–AVR32–04/11
KEY
PSEL: Prescale Select
EN: WDT Enable
31
23
15
7
-
-
-
This bitfield must be written twice, first with key value 0x55, then 0xAA, for a write operation to be effective. This bitfield always
reads as zero.
Prescaler bit PSEL is used as watchdog timeout period.
0: WDT is disabled.
1: WDT is enabled.
WDT Control
30
22
14
6
-
-
-
CTRL
Read/Write
29
21
13
5
-
-
-
28
20
12
4
-
-
KEY[7:0]
27
19
11
3
-
-
PSEL
26
18
10
2
-
-
25
17
9
1
-
-
AT32UC3A
EN
24
16
8
0
-
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