AT32UC3B1256-AUR Atmel, AT32UC3B1256-AUR Datasheet - Page 86

• Manufacturer Part Number: AT32UC3B1256-AUR
• Description: MCU AVR32 256K FLASH 48-TQFP
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3B1256-AUR

• Package / Case: 48-TQFP, 48-VQFP
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 60MHz
• Number Of I /o: 28
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Program Memory Size: 256KB (256K x 8)
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Connectivity: I²C, IrDA, SPI, SSC, UART/USART, USB
• Core Size: 32-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

11.6.1
Name:
Access Type:
Offset:
Reset Value:
•
•
•
32059J–12/2010
KEY: Write protection key
PSEL: Prescale Select
EN: WDT Enable
31
23
15
7
-
-
-
This field must be written twice, first with key value 0x55, then 0xAA, for a write operation to be effective.
This field always reads as zero.
PSEL is used as watchdog timeout period.
1: WDT is enabled.
0: WDT is disabled.
Control Register
30
22
14
6
-
-
-
CTRL
Read/Write
0x00
0x00000000
29
21
13
5
-
-
-
28
20
12
4
-
-
KEY
27
19
11
3
-
-
PSEL
26
18
10
2
-
-
25
17
9
1
-
-
AT32UC3B
EN
24
16
8
0
-
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