SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 736

• Manufacturer Part Number: SAM9G20
• Manufacturer: Atmel Corporation

Specifications of SAM9G20

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 96
• Ext Interrupts: 96
• Usb Transceiver: 3
• Usb Speed: Full Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 1
• Uart: 7
• Ssc: 1
• Ethernet: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 95
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• 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
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

39.4.9
Register Name: ISI_PPFBD
Access Type: Read-write
Reset Value: 0x0
• PREV_FBD_ADDR: Base Address for Preview Frame Buffer Descriptor
Written with the address of the start of the preview frame buffer queue, reads as a pointer to the current buffer being used.
The frame buffer is forced to word alignment.
736
31
23
15
7
AT91SAM9G20
ISI Preview Primary FBD Register
30
22
14
6
29
21
13
5
28
PREV_FBD_ADDR
20
PREV_FBD_ADDR
12
PREV_FBD_ADDR
PREV_FBD_ADDR
4
27
19
11
3
26
18
10
2
25
17
9
1
6384E–ATARM–05-Feb-10
24
16
8
0