SAM3U2C Atmel Corporation, SAM3U2C Datasheet - Page 6

• 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

Table 3-1.
6
Signal Name
ERASE
NRST
NRSTB
TST
URXD
UTXD
PA0 - PA31
PB0 - PB31
PC0 - PC31
D0 - D15
A0 - A23
NWAIT
NCS0 - NCS3
NWR0 - NWR1
NRD
NWE
NBS0 - NBS1
NANDOE
NANDWE
NANDRDY
SAM3U Series
Signal Description List (Continued)
Function
Flash and NVM Configuration Bits Erase
Command
Microcontroller Reset
Asynchronous Microcontroller Reset
Test Select
UART Receive Data
UART Transmit Data
Parallel IO Controller A
Parallel IO Controller B
Parallel IO Controller C
Data Bus
Address Bus
External Wait Signal
Chip Select Lines
Write Signal
Read Signal
Write Enable
Byte Mask Signal
NAND Flash Output Enable
NAND Flash Write Enable
NAND Ready
Universal Asynchronous Receiver Transceiver - UART
PIO Controller - PIOA - PIOB - PIOC
Static Memory Controller - SMC
NAND Flash Controller - NFC
External Bus Interface
Flash Memory
Reset/Test
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
Active
Level
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Reference Comments
Voltage
VDDBU
VDDBU
VDDIO
VDDIO
Internal permanent 15K
pulldown
Internal permanent
pullup
Internal permanent
pullup
Internal permanent
pulldown
•Schmitt Trigger
Reset State:
•PIO Input
•Internal pullup enabled
•Schmitt Trigger
Reset State:
•PIO Input
•Internal pullup enabled
•Schmitt Trigger
Reset State:
•PIO Input
•Internal pullup enabled
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