SAM9RL64 Atmel Corporation, SAM9RL64 Datasheet - Page 74

• Manufacturer Part Number: SAM9RL64
• Manufacturer: Atmel Corporation

Specifications of SAM9RL64

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 240 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 118
• Ext Interrupts: 118
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 2
• Uart: 5
• Ssc: 2
• Sd / Emmc: 1
• Graphic Lcd: Yes
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 6
• Adc Resolution (bits): 10
• Adc Speed (ksps): 220
• Resistive Touch Screen: Yes
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 64
• 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): 1.08 to 1.32
• Fpu: No
• Mpu / Mmu: No / Yes
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

Figure 14-1. Boot Program Algorithm Flow Diagram
14.3
74
Device Initialization
AT91SAM9R64/RL64
SPI DataFlash Boot
NandFlash Boot
No
No
No
SD Card Boot
Device
Setup
Timeout < 1 s
Timeout < 1 s
Timeout < 1 s
Initialization follows the steps described below:
Note:
1. Stack setup for ARM supervisor mode
2. Main Oscillator Frequency Detection
3. C variable initialization
4. UTMI PLL is enabled to generate a 480MHz clock necessary to use the USB High
5. PLL setup: PLL is initialized to generate a 96 MHz clock.
6. MCK is configured to generate a 48MHz clock (PLL/2).
7. Initialization of the DBGU serial port (115200 bauds, 8, N, 1)
8. Enable the user reset
Speed Device.
Run SAM-BA Boot
USB Enumeration
A 12 MHz Crystal is mandatory in order to generate these clocks correctly.
Successful ?
Yes
Yes
Yes
Yes
DataFlash (NPCS0)
Download from
Download from
Download from
SD Card (MCI)
NandFlash
No
Character(s) received
Run SAM-BA Boot
No
on DBGU ?
Yes
Run
Run
Run
NandFlash Boot
SAM-BA Boot
DataFlash Boot
SD Card Boot
6289D–ATARM–3-Oct-11