SAM3U2C Atmel Corporation, SAM3U2C Datasheet - Page 761
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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35.8.17
Name:
Address:
Access:
Reset:
• WPVS: Write Protect Violation Status
0 = No Write Protect Violation has occurred since the last read of the US_WPSR register.
1 = A Write Protect Violation has occurred since the last read of the US_WPSR register. If this violation is an unauthorized
attempt to write a protected register, the associated violation is reported into field WPVSRC.
• WPVSRC: Write Protect Violation Source
When WPVS is active, this field indicates the write-protected register (through address offset or code) in which a write
access has been attempted.
Note:
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11
31
—
23
15
—
7
Reading US_WPSR automatically clears all fields.
USART Write Protect Status Register
30
—
22
14
—
US_WPSR
0x400900E8 (0), 0x400940E8 (1), 0x400980E8 (2), 0x4009C0E8 (3)
Read-only
See
6
Table 35-15
29
21
13
—
—
5
28
20
12
—
—
4
WPVSRC
WPVSRC
27
19
11
—
—
3
26
18
10
—
—
2
SAM3U Series
SAM3U Series
25
17
—
—
9
1
WPVS
24
16
—
8
0
761
761
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