SAM3U4E Atmel Corporation, SAM3U4E Datasheet - Page 549
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SAM3U4E
Manufacturer Part Number
SAM3U4E
Description
Manufacturer
Atmel Corporation
Specifications of SAM3U4E
Flash (kbytes)
256 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)
50
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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31.5
Table 31-1.
31.6
31.6.1
31.6.2
31.6.3
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11
Pin Name
RF
RK
RD
TF
TK
TD
Pin Name List
Product Dependencies
I/O Lines
Power Management
Interrupt
I/O Lines Description
The pins used for interfacing the compliant external devices may be multiplexed with PIO lines.
Before using the SSC receiver, the PIO controller must be configured to dedicate the SSC
receiver I/O lines to the SSC peripheral mode.
Before using the SSC transmitter, the PIO controller must be configured to dedicate the SSC
transmitter I/O lines to the SSC peripheral mode.
Table 31-2.
The SSC is not continuously clocked. The SSC interface may be clocked through the Power
Management Controller (PMC), therefore the programmer must first configure the PMC to
enable the SSC clock.
The SSC interface has an interrupt line connected to the Nested Vector Interrupt Controller
(NVIC). Handling interrupts requires programming the NVIC before configuring the SSC.
Instance
Pin Description
Receiver Frame Synchro
Receiver Clock
Receiver Data
Transmitter Frame Synchro
Transmitter Clock
Transmitter Data
SSC
SSC
SSC
SSC
SSC
SSC
I/O Lines
Signal
RD
RK
RF
TD
TK
TF
I/O Line
PA27
PA31
PA29
PA26
PA30
PA28
SAM3U Series
SAM3U Series
Peripheral
Input/Output
Input/Output
Input/Output
Input/Output
Output
Type
Input
A
A
A
A
A
A
549
549
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