ATSAM3S4AA-MU Atmel, ATSAM3S4AA-MU Datasheet - Page 812

• Manufacturer Part Number: ATSAM3S4AA-MU
• Description: IC MCU 32BIT 256KB FLASH 48QFN
• Manufacturer: Atmel
• Series: SAM3Sr

Specifications of ATSAM3S4AA-MU

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.62 V ~ 1.95 V
• Data Converters: A/D 8x10/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
• Processor Series: ATSAM3x
• Core: ARM Cortex M3
• 3rd Party Development Tools: JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ATSAM3S-EK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

35.12 HSMCI Transfer Done Timings
35.12.1
35.12.2
35.12.3
812
SAM3S Preliminary
Definition
Read Access
Write Access
The XFRDONE flag in the HSMCI_SR indicates exactly when the read or write sequence is
finished.
During a read access, the XFRDONE flag behaves as shown in
Figure 35-11. XFRDONE During a Read Access
During a write access, the XFRDONE flag behaves as shown in
Figure 35-12. XFRDONE During a Write Access
CMDRDY flag
XFRDONE flag
Data bus - D0
Not busy flag
CMD line
D0
XFRDONE flag
CMDRDY flag
Not busy flag
CMD line
Data
HSMCI write CMD
HSMCI read CMD
Card response
Card response
1st Block
1st Block
1st Block
The CMDRDY flag is released 8 tbit after the end of the card response.
The CMDRDY flag is released 8 tbit after the end of the card response.
Last Block
Last Block
Last Block
Figure
Figure
D0 is tied by the card
35-11.
35-12.
D0 is released
6500C–ATARM–8-Feb-11