ATSAM3U4CA-CU Atmel, ATSAM3U4CA-CU Datasheet - Page 372

• 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 25-18. TDF Period in NCS Controlled Read Operation (TDF = 3)
25.13.2
372
372
SAM3U Series
SAM3U Series
TDF Optimization Enabled (TDF_MODE = 1)
NBS0, NBS1,
When the TDF_MODE of the SMC_MODE register is set to 1 (TDF optimization is enabled), the
SMC takes advantage of the setup period of the next access to optimize the number of wait
states cycle to insert.
Figure 25-19
NWE, on Chip Select 0. Chip Select 0 has been programmed with:
NRD_HOLD = 4; READ_MODE = 1 (NRD controlled)
NWE_SETUP = 3; WRITE_MODE = 1 (NWE controlled)
TDF_CYCLES = 6; TDF_MODE = 1 (optimization enabled).
D[15:0]
A[23:2]
A0,A1
MCK
NRD
NCS
shows a read access controlled by NRD, followed by a write access controlled by
NCS controlled read operation
tpacc
TDF = 3 clock cycles
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11