SAM3U2C Atmel Corporation, SAM3U2C Datasheet - Page 905

• Manufacturer Part Number: SAM3U2C
• 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

38.7.1
Name:
Address:
Access:
This register can only be written if the bits WPSWS0 and WPHWS0 are cleared in
page
• DIVA, DIVB: CLKA, CLKB Divide Factor
• PREA, PREB: CLKA, CLKB Source Clock Selection
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11
DIVA, DIVB
0
1
2-255
PREA, PREB
0
0
0
0
0
0
0
0
1
1
1
Other
936.
31
23
15
–
–
7
PWM Clock Register
0
0
0
0
1
1
1
1
0
0
0
PWM_CLK
0x4008C000
Read-write
0
0
1
1
0
0
1
1
0
0
1
30
22
14
–
–
6
0
1
0
1
0
1
0
1
0
1
0
29
21
13
–
–
5
CLKA, CLKB
CLKA, CLKB clock is turned off
CLKA, CLKB clock is clock selected by PREA, PREB
CLKA, CLKB clock is clock selected by PREA, PREB divided by DIVA, DIVB factor.
Divider Input Clock
MCK
MCK/2
MCK/4
MCK/8
MCK/16
MCK/32
MCK/64
MCK/128
MCK/256
MCK/512
MCK/1024
Reserved
28
20
12
–
–
4
DIVB
DIVA
27
19
11
3
“PWM Write Protect Status Register” on
26
18
10
2
PREB
PREA
SAM3U Series
SAM3U Series
25
17
9
1
24
16
8
0
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