SAM9X25 Atmel Corporation, SAM9X25 Datasheet - Page 1110

• Manufacturer Part Number: SAM9X25
• Manufacturer: Atmel Corporation

Specifications of SAM9X25

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 105
• Ext Interrupts: 105
• Usb Transceiver: 3
• Usb Speed: Hi-Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 3
• Uart: 7
• Can: 2
• Lin: 4
• Ssc: 1
• Ethernet: 2
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 12
• Adc Resolution (bits): 10
• Adc Speed (ksps): 440
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: DDR/LPDDR, SDRAM/LPSDR
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 0.9 to 1.1
• Fpu: No
• Mpu / Mmu: No/Yes
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

46.16.1.2
46.16.1.3
Figure 46-5. SPI Master mode 1 and 2
1110
1110
Slave Read Mode
Slave Write Mode
SAM9X25
SAM9X25
Timing Conditions
Timing Extraction
SPCK
MISO
MOSI
Timings are given assuming a capacitance load on
Table 46-32. Capacitance Load for MISO, SPCK and MOSI (product dependent)
Supply
3.3V
1.8V
In slave mode, SPCK is the input clock for the SPI. The max SPCK frequency is given by
setup and hold timings SPI
the pad limit, the limit in slave read mode is given by SPCK pad.
T
This gives, F
f
SPCK
setup
is the setup time from the master before sampling data (12ns).
Max
SPI
2
=
MAX
40 pF
20 pF
SPCK
-------------------------------------------------------- -
SPI
Max = 39 MHz @ VDDIO = 3.3V.
6
orSPI
SPI
Corner
1
0
9
MIN
5 pF
5 pF
7
+
/SPI
T
setup
8
(or SPI
SPI
1
10
/SPI
11
MISO, SPCK and MOSI
). Since this gives a frequency well above
:
11054A–ATARM–27-Jul-11
11054A–ATARM–27-Jul-11