SAM9R64 Atmel Corporation, SAM9R64 Datasheet - Page 165

• Manufacturer Part Number: SAM9R64
• Manufacturer: Atmel Corporation

Specifications of SAM9R64

• Flash (kbytes): 0 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 240 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 49
• Ext Interrupts: 49
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 5
• Ssc: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 3
• Adc Resolution (bits): 10
• Adc Speed (ksps): 220
• Resistive Touch Screen: No
• 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: 3
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

8.5
ARM DDI0198D
Privileged instructions
Coprocessor pipeline
CPLATECANCEL
CPINSTR[31:0]
CHSDE[1:0]
CHSEX[1:0]
nCPTRANS
nCPMREQ
CPPASS
CLK
The coprocessor might restrict certain instructions for use in privileged modes only. To
do this, the coprocessor has to track the nCPTRANS output.
Figure 8-7 shows how nCPTRANS changes after a mode change.
Copyright © 2001-2003 ARM Limited. All rights reserved.
CPRT
Fetch
Old mode
Decode
Ignored
Decode
Ignored
Decode
LAST
Execute
New mode
Figure 8-7 Privileged instructions
Ignored
Memory
Coprocessor Interface
Instruction
aborted
8-9