AT32UC3A464 Atmel Corporation, AT32UC3A464 Datasheet - Page 70

• Manufacturer Part Number: AT32UC3A464
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A464

• Flash (kbytes): 64 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Ssc: 1
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

7.6.12
Name:
Access Type:
Offset:
Reset Value:
• BOD33DET: Brown out 3V3 detection
• BODDET: Brown out detection
• OSC32RDY: 32 KHz oscillator Ready
• OSC1RDY: OSC1 ready
• OSC0RDY: OSC0 ready
• MSKRDY: Mask ready
• CKRDY:
• LOCK1: PLL 1 locked
• LOCK0: PLL 0 locked
32072G–11/2011
OSC0RDY
31
23
15
7
-
-
-
0: No BOD33 event
1: BOD33 has detected that power supply is going below BOD33 reference value.
0: No BOD event
1: BOD has detected that power supply is going below BOD reference value.
0: The 32 KHz oscillator is not enabled or not ready.
1: The 32 KHz oscillator is stable and ready to be used as clock source.
0: Oscillator 1 not enabled or not ready.
1: Oscillator 1 is stable and ready to be used as clock source.
0: Oscillator 0 not enabled or not ready.
1: Oscillator 0 is stable and ready to be used as clock source.
0: Mask register has been changed, masking in progress.
1: Clock are masked according to xxx_MASK
0: The CKSEL register has been written, and the new clock setting is not yet effective.
1: The synchronous clocks have frequencies as indicated in the CKSEL register.
0:PLL 1 is unlocked
1:PLL 1 is locked, and ready to be selected as clock source.
0: PLL 0 is unlocked
1: PLL 0 is locked, and ready to be selected as clock source.
Power and Oscillators Status Register
MSKRDY
30
22
14
POSCSR
Read-only
0x54
0x00000000
6
-
-
-
CKRDY
29
21
13
5
-
-
-
28
20
12
4
-
-
-
-
27
19
11
3
-
-
-
-
26
18
10
2
-
-
-
-
OSC32RDY
BOD33DET
LOCK1
25
17
9
1
-
OSC1RDY
BODDET
LOCK0
24
16
8
0
-
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