ATSAM3U4CA-CU Atmel, ATSAM3U4CA-CU Datasheet - Page 1019

• Manufacturer Part Number: ATSAM3U4CA-CU
• Description: IC MCU 32BIT 256KB FLSH 100TFBGA
• Manufacturer: Atmel
• Series: SAM3Ur

Specifications of ATSAM3U4CA-CU

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 96MHz
• Connectivity: EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 57
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 52K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 4x10b, 4x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TFBGA
• Processor Series: ATSAM3x
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Data Ram Size: 52 KB
• Interface Type: 3xUSART, TWI, 4xSPI, Bus
• Maximum Clock Frequency: 96 MHz
• Number Of Programmable I/os: 57
• Number Of Timers: 8
• Operating Supply Voltage: 1.62 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ATSAM3U-EK
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 40-4. Multi Buffer Transfer Using Linked List
6430D–ATARM–25-Mar-11
DSCRx(0)
DSCRx(1)
CTRLBx
CTRLAx
DADDRx
SADDRx
to 0. Other fields and registers are ignored and overwritten when the descriptor is retrieved from
memory.
The last transfer descriptor must be written to memory with its next descriptor address set to 0.
= DSCRx(0) + 0xC
= DSCRx(0) + 0x8
= DSCRx(0) + 0x4
LLI(0)
= DSCRx(0) + 0x0
= DSCRx(0) + 0x10
System Memory
DSCRx(1)
DSCRx(2)
CTRLBx
CTRLBx
DADDRx
SADDRx
LLI(1)
= DSCRx(1) + 0xC
= DSCRx(1) + 0x8
= DSCRx(1) + 0x4
= DSCRx(1) + 0x0
= DSCRx(1) + 0x10
SAM3U Series
DSCRx(2)
(points to 0 if
LLI(1) is the last
transfer descriptor
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