SAM9G25 Atmel Corporation, SAM9G25 Datasheet - Page 403

• Manufacturer Part Number: SAM9G25
• Manufacturer: Atmel Corporation

Specifications of SAM9G25

• Flash (kbytes): 0 Kbytes
• Pin Count: 247
• 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
• Lin: 4
• Ssc: 1
• Ethernet: 1
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: Yes
• 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: DDR2/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

Figure 29-17. Early Read Wait State: Write with No Hold Followed by Read with No Setup
Figure 29-18. Early Read Wait State: NCS Controlled Write with No Hold Followed by a Read with No NCS Setup
11032A–ATARM–27-Jul-11
11032A–ATARM–27-Jul-11
NBS0, NBS1,
NBS2, NBS3,
A0,A1
NBS0, NBS1,
NBS2, NBS3,
A0, A1
A[25:2]
D[31:0]
D[31:0]
A[25:2]
MCK
NRD
NCS
NWE
MCK
NRD
(WRITE_MODE = 0)
write cycle
write cycle
no hold
no hold
Early Read
wait state
Early Read
wait state
(READ_MODE = 0 or READ_MODE = 1)
no setup
no setup
read cycle
read cycle
SAM9G25
SAM9G25
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