ATUC64L4U Atmel Corporation, ATUC64L4U Datasheet - Page 289

• Manufacturer Part Number: ATUC64L4U
• Manufacturer: Atmel Corporation

Specifications of ATUC64L4U

• Flash (kbytes): 64 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 50 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 17
• Hardware Qtouch Acquisition: Yes
• Max I/o Pins: 36
• Ext Interrupts: 36
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 12
• Adc Speed (ksps): 460
• Analog Comparators: 8
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 16
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.62 to 3.6
• Operating Voltage (vcc): 1.62 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 18
• Input Capture Channels: 12
• Pwm Channels: 35
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

14.6.19
Name:
Access Type:
Reset Value:
• SAMPFREQ: Sampling Frequency
• ONSM: Supply Monitor On Indicator
• SFV: Store Final Value
• FCD: Flash Calibration Done
• CALIB: Calibration Value
• FS: Force Sampling Mode
• CTRL: Supply Monitor Control
32142A–12/2011
FS
31
23
15
7
-
-
-
Selects the sampling mode frequency of the 3.3V supply monitor. In sampling mode, the SM33 performs a measurement every
2
0: The supply monitor is disabled.
1: The supply monitor is enabled.
This bit is read-only. Writing to this bit has no effect.
0: The register is read/write
1: The register is read-only, to protect against further accidental writes.
This bit is cleared after a reset.
This bit is cleared after a reset.
This bit is set when CALIB field has been updated after a reset.
Calibration Value for the SM33.
0: Sampling mode is enabled in DeepStop and Static mode only.
1: Sampling mode is always enabled.
(SAMPFREQ+5)
Supply Monitor 33 Calibration Register
cycles of the internal 32kHz RC oscillator.
30
22
14
SM33
Read/Write
-
6
-
-
-
-
29
21
13
5
-
-
-
-
28
20
12
4
-
-
-
-
27
19
11
3
-
ATUC64/128/256L3/4U
ONSM
26
18
10
2
SAMPFREQ
CALIB
CTRL
SFV
25
17
9
1
FCD
24
16
8
0
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