AT32UC3L0256 Atmel Corporation, AT32UC3L0256 Datasheet - Page 228

• Manufacturer Part Number: AT32UC3L0256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3L0256

• Flash (kbytes): 256 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 Speed: No
• Usb Interface: No
• Spi: 5
• Twi (i2c): 2
• Uart: 4
• Lin: 4
• 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

13.6.17
Name:
Access Type:
Reset Value:
• SFV: Store Final Value
• INTPD: Internal Pull-down
• POR18VALUE: Power-on Reset 1.8V Output Value
• POR33VALUE: Power-on Reset 3.3V Output Value
• POR18MASK: Power-on Reset 1.8V Output Mask
• POR18STATUS: Power-on Reset 1.8V Status
• POR18EN: Power-on Reset 1.8V Enable
• POR33MASK: Power-on Reset 3.3V Output Mask
32145A–12/2011
POR18MASK
SFV
ON
31
23
15
7
-
0: The register is read/write.
1: The register is read-only, to protect against further accidental writes.
This bit is cleared by a Power-on Reset.
This bit is used for test purposes only.
0: The voltage regulator output is not pulled to ground.
1: The voltage regulator output has a pull-down to ground.
0: VDDCORE voltage is below the POR18 power-on threshold level.
1: VDDCORE voltage is above the POR18 power-on threshold level.
This bit is read-only. Writing to this bit has no effect.
0: Internal regulator supply voltage is below the POR33 power-on threshold level.
1: Internal regulator supply voltage is above the POR33 power-on threshold level.
This bit is read-only. Writing to this bit has no effect.
0: Power-on Reset is not masked.
1: Power-on Reset is masked.
0: Power-on Reset is disabled.
1: Power-on Reset is enabled.
This bit is read-only. Writing to this bit has no effect.
Writing a zero to this bit disables the POR18 detector.
Writing a one to this bit enables the POR18 detector.
0: Power-on Reset 3.3V is not masked.
Voltage Regulator Calibration Register
POR18STAT
VREGOK
INTPD
US
30
22
14
VREGCR
Read/Write
-
6
-
POR18EN
EN
29
21
13
5
-
-
POR33MASK
28
20
12
4
-
-
-
POR33STAT
US
27
19
11
3
-
-
POR33EN
DBG-
26
18
10
2
AT32UC3L0128/256
CALIB
POR18VALUE
DEEPDIS
SELVDD
25
17
9
1
POR33VALUE
FCD
24
16
8
0
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