SAM3U2C Atmel Corporation, SAM3U2C Datasheet - Page 36

• 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

Figure 10-1. System Controller Block Diagram
36
FSTT0 - FSTT15
SAM3U Series
XOUT32
NRSTB
FWUP
SHDN
XIN32
XOUT
NRST
XIN
(1)
VDDBU
FSTT0 - FSTT15 are possible Fast Startup Sources, generated by WKUP0-WKUP15 Pins,
but are not physical pins.
vddcore_nreset
Backup Power Supply
SLCK
SLCK
Xtal 32 kHz
Embedded
32 kHz RC
MAINCK
MAINCK
Oscillator
Oscillator
General Purpose
Backup Registers
Power-on Reset
12 / 8 / 4 MHz
XTAL Oscillator
Zero-Power
Embedded
Oscillator
3 - 20 MHz
RC
RTC
RTT
osc32k_xtal_en
osc32k_rc_en
UPLL
PLLA
rtc_alarm
rtt_alarm
XTALSEL
Slow Clock
Controller
SLCK
Reset
Main Clock
MAINCK
PLLACK
UPLLCK
SLCK
Controller
Supply
proc_nreset
periph_nreset
ice_nreset
Management
Controller
Power
vr_standby
bodbup_in
bodbup_on
vddcore_nreset
bodcore_on
bodcore_in
supc_interrupt
Master Clock
Cortex-M3
Monitor
Supply
MCK
SLCK
Watchdog
Matrix
Timer
Software Controlled
Input / Output Buffers
ADC (front-end)
Voltage Regulator
PIOA/B/C
Brownout
VDDIN
Detector
USB
Core Power Supply
Peripherals
Peripheral
SRAM
Bridge
Flash
VDDUTMI
VDDCORE
VDDOUT
VDDANA
WKUP0 - WKUP15
VDDIO
PIOx
ADVREF
ADx
USBx
6430ES–ATARM–22-Aug-11