SAM3U2E Atmel Corporation, SAM3U2E Datasheet - Page 1147
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SAM3U2E
Manufacturer Part Number
SAM3U2E
Description
Manufacturer
Atmel Corporation
Specifications of SAM3U2E
Flash (kbytes)
128 Kbytes
Pin Count
144
Max. Operating Frequency
96 MHz
Cpu
Cortex-M3
# Of Touch Channels
57
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Hi-Speed
Usb Interface
Device
Spi
5
Twi (i2c)
2
Uart
5
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
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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43.9.7
6430E–ATARM–29-Aug-11
USART in SPI Mode Timings
Timings are given with the following conditions.
VDDIO = 1.62V and 3V
SCK/MISO/MOSI Load = 30 pF
Figure 43-27. USART SPI Master Mode
Figure 43-28. USART SPI Slave mode (Mode 1 or 2)
NPCS0
• the MOSI line is driven by the output pin TXD
• the MISO line drives the input pin RXD
• the SCK line is driven by the output pin SCK
• the NSS line is driven by the output pin RTS
• the MOSI line drives the input pin RXD
• the MISO line is driven by the output pin TXD
• the SCK line drives the input pin SCK
• the NSS line drives the input pin CTS
MISO
MOSI
SCK
CPOL=1
SCK
CPOL=0
NPCSx
MISO
MOSI
SPI
SPI
12
SPI
4
3
MSB
SPI
SPI
4
6
SPI
SPI
1
7
SPI
2
SPI
8
SPI
0
LSB
SAM3U Series
SPI
13
SPI
5
1147
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