SAM3U4E Atmel Corporation, SAM3U4E Datasheet - Page 512
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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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30.5
Figure 30-3. I/O Line Control Logic
512
512
PIO_SCDR
Functional Description
SAM3U Series
SAM3U Series
Slow Clock
System Clock
Output Enable
Output Enable
Peripheral A
Peripheral B
Peripheral A
Peripheral B
Output
Output
PIO_SCIFSR[0]
PIO_DCIFSR[0]
PIO_IFSCR[0]
Divider
Clock
The PIO Controller features up to 32 fully-programmable I/O lines. Most of the control logic asso-
ciated to each I/O is represented in
represents but one of up to 32 possible indexes.
PIO_ABSR[0]
1
0
PIO_IFER[0]
PIO_IFDR[0]
Programmable
PIO_OER[0]
PIO_ODR[0]
Debouncing
PIO_IFSR[0]
1
1
Glitch
0
0
Filter
or
PIO_OSR[0]
PIO_SODR[0]
PIO_CODR[0]
PIO_PER[0]
PIO_PDR[0]
1
0
PIO_ODSR[0]
PIO_PSR[0]
Resynchronization
D
DFF
Q
Stage
D
PIO_PDSR[0]
DFF
Q
Figure
1
0
1
0
PIO_MDER[0]
PIO_MDDR[0]
30-3. In this description each signal shown
DETECTOR
PIO_IDR[31]
PIO_IER[31]
EVENT
PIO_MDSR[0]
PIO_IDR[0]
PIO_IER[0]
PIO_IMR[31]
PIO_ISR[31]
PIO_IMR[0]
1
0
0
1
PIO_PUER[0]
PIO_PUDR[0]
PIO_ISR[0]
PIO_PUSR[0]
(Up to 32 possible inputs)
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11
Peripheral A
Peripheral B
PIO Interrupt
Input
Input
Pad
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