SAM9RL64 Atmel Corporation, SAM9RL64 Datasheet - Page 179

• 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

7.4
ARM DDI 0029G
Bidirectional data write cycle
Figure 7-3 shows the ARM7TDMI processor bidirectional data write cycle timing. The
timing parameters used in Figure 7-3 are listed in Table 7-3.
In Figure 7-3 DBE is HIGH and nENIN is LOW during the cycle shown.
nENOUT
D[31:0]
MCLK
Note
Copyright © 1994-2001. All rights reserved.
T
nen
Symbol
T
T
T
T
doh
dout
nen
nenh
Table 7-3 Bidirectional data write cycle timing parameters
T
dout
Parameter
DOUT[31:0] hold from MCLKf
MCLKf to D[31:0] valid
MCLKf to nENOUT valid
nENOUT hold time from MCLKf
Figure 7-3 Bidirectional data write cycle timing
T
T
nenh
doh
AC and DC Parameters
Parameter type
Minimum
Minimum
Maximum
Maximum
7-7