SAM3U2E Atmel Corporation, SAM3U2E Datasheet - Page 512

• Manufacturer Part Number: SAM3U2E
• 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

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