ATSAM3S4AA-MU Atmel, ATSAM3S4AA-MU Datasheet - Page 1081

• 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

41.11.7.1
Table 41-51. USART SPI Timings
6500C–ATARM–8-Feb-11
Symbol
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
0
1
2
3
4
5
6
7
8
USART SPI TImings
Parameter
SCK Period
Input Data Setup Time
Input Data Hold Time
Chip Select Active to Serial Clock
Output Data Setup Time
Serial Clock to Chip Select Inactive
SCK falling to MISO
MOSI Setup time before SCK rises
MOSI Hold time after SCK rises
Figure 41-30. USART SPI Slave mode: (Mode 0 or 3)
MISO
MOSI
NSS
SCK
SPI
15
Master Mode
Slave Mode
SPI
1.8V domain
3.3V domain
1.8V domain
3.3V domain
9
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
Conditions
SPI
10
0.5 * t
0.5 * t
1.5 * t
1.5 * SCK + 0.25
1.5 * SCK + 0.2
2 * t
2 * t
SPI
1.5 * t
1 * SCK - 1.6
1 * SCK - 1.4
t
11
CPMCK
CPMCK
CPMCK
0 + 1.4
0 + 1.3
CPMCK
CPMCK
CPMCK
Min
-4.5
-3.8
CPMCK
6.6
7
SAM3S Preliminary
* 6
+ 2.1
+ 1.9
+ 3.2
+ 2.9
+ 0.7
+1
Max
3.9
3.6
27
24
SPI
14
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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