AT32UC3A0512-ALTTA Atmel, AT32UC3A0512-ALTTA Datasheet - Page 89

• 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: -

14.6
14.6.1
Name:
Access Type:
•
•
•
•
32058J–AVR32–04/11
CLKEN: Clock enable
PSEL: Prescale Select
BUSY: RTC busy
CLK32: 32 KHz oscillator select
Offset
31
23
15
0x1C
0x00
0x04
0x08
0x10
0x14
0x18
0x20
7
-
-
-
-
User Interface
0: The clock is disabled
1: The clockis enabled
Selects prescaler bit PSEL as source clock for the RTC.
0: The RTC accepts writes to TOP, VAL, and CTRL.
1: The RTC is busy and will discard writes to TOP, VAL, and CTRL.
0: The RTC uses the RC oscillator as clock source
1: The RTC uses the 32 KHz oscillator as clock source
RTC Control
30
22
14
6
-
-
-
-
CTRL
Read/Write
RTC Interrupt Disable
RTC Interrupt Enable
RTC Interrupt Status
RTC Interrupt Mask
RTC Interrupt Clear
RTC Control
RTC Value
29
21
13
Register
RTC Top
5
-
-
-
-
BUSY
28
20
12
4
-
-
-
CLK32
27
19
11
3
-
-
Register Name
CTRL
TOP
VAL
IMR
IDR
ISR
ICR
IER
WAKE_EN
26
18
10
2
-
-
PSEL
Read/Write
Read/Write
Read/Write
Read-only
Read-only
Write-only
Write-only
Write-only
Access
PCLR
25
17
9
1
-
-
AT32UC3A
CLKEN
Reset
EN
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
24
16
8
0
-
89