SAM9RL64 Atmel Corporation, SAM9RL64 Datasheet - Page 257

• 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

26.4.4
Name:
Address:
Access:
• RCEN: Internal RC
0: RC is disabled
1: RC is enabled
• OSC32EN: 32768 Hz oscillator
0: 32768Hz oscillator is disabled
1: 32768Hz oscillator is enabled
• OSC32BYP: 32768Hz oscillator bypass
0: 32768Hz oscillator is not bypassed
1: 32768Hz oscillator is bypassed, accept an external slow clock on XIN32
• OSCSEL: Slow clock selector
0: Slow clock is internal RC
1: Slow clock is 32768 Hz oscillator
6289D–ATARM–3-Oct-11
31
23
15
–
–
–
7
–
Slow Clock Configuration Register
0xFFFFFD50
Read-write
SCKCR
30
22
14
–
–
–
6
–
• Wait internal RC Startup Time for clock stabilization (software loop).
• Switch from 32768 Hz oscillator to internal RC by setting the bit OSCSEL to 0.
• Wait 5 slow clock cycles for internal resynchronization.
• Disable the 32768 Hz oscillator by setting the bit OSC32EN to 0.
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
OSCSEL
27
19
11
–
–
–
3
OSC32BYP
AT91SAM9R64/RL64
26
18
10
–
–
–
2
OSC32EN
25
17
–
–
9
–
1
RCEN
24
16
–
–
8
–
0
257