SAM3U2C Atmel Corporation, SAM3U2C Datasheet - Page 298
SAM3U2C
Manufacturer Part Number
SAM3U2C
Description
Manufacturer
Atmel Corporation
Specifications of SAM3U2C
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
96 MHz
Cpu
Cortex-M3
# Of Touch Channels
28
Hardware Qtouch Acquisition
No
Max I/o Pins
57
Ext Interrupts
57
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Hi-Speed
Usb Interface
Device
Spi
4
Twi (i2c)
1
Uart
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
36
Self Program Memory
YES
External Bus Interface
1
Dram Memory
No
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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19.5.5
Name:
Address:
Access:
• BODRSTEN: Brownout Detector Reset Enable
0 (NOT_ENABLE) = the core reset signal “vddcore_nreset” is not affected when a brownout detection occurs.
1 (ENABLE) = the core reset signal, vddcore_nreset is asserted when a brownout detection occurs.
• BODDIS: Brownout Detector Disable
0 (ENABLE) = the core brownout detector is enabled.
1 (DISABLE) = the core brownout detector is disabled.
• VDDIORDY: VDDIO Ready
0 (VDDIO_REMOVED) = VDDIO is removed (used before going to backup mode when backup batteries are used)
1 (VDDIO_PRESENT) = VDDIO is present (used before going to backup mode when backup batteries are used)
If the backup batteries are not used, VDDIORDY must be kept set to 1.
• ONREG: Voltage Regulator enable
0 (ONREG_UNUSED) = Voltage Regulator is not used
1 (ONREG_USED) = Voltage Regulator is used
• OSCBYPASS: Oscillator Bypass
0 (NO_EFFECT) = no effect. Clock selection depends on XTALSEL value.
1 (BYPASS) = the 32-KHz XTAL oscillator is selected and is put in bypass mode.
• KEY: Password Key
Should be written to value 0xA5. Writing any other value in this field aborts the write operation.
298
298
31
23
15
–
–
7
–
SAM3U Series
SAM3U Series
Supply Controller Mode Register
SUPC_MR
0x400E1218
Read-write
VDDIORDY
ONREG
30
22
14
–
6
–
BODDIS
29
21
13
–
5
–
OSCBYPASS
BODRSTEN
28
20
12
4
–
KEY
27
19
11
–
–
3
–
26
18
10
–
–
2
–
25
17
–
9
–
1
–
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11
24
16
–
8
–
0
–
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