SAM9261 Atmel Corporation, SAM9261 Datasheet - Page 185

• Manufacturer Part Number: SAM9261
• Manufacturer: Atmel Corporation

Specifications of SAM9261

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 240 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: 4
• Ssc: 3
• Sd / Emmc: 1
• Graphic Lcd: Yes
• Video Decoder: No
• Camera Interface: No
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 160
• 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
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

ARM DDI 0165B
Cycle
LDRB r0, [r2]
STMIA r3, {r0-r1}
Table 8-21 shows the cycle timing for the following code sequence:
LDRB
STMIA
1
2
3
4
IA
pc+3i
pc+4i
pc+4i
pc+4i
Copyright © 2000 ARM Limited. All rights reserved.
r0, [r2]
r3, {r0-r1}
S cycle
InMREQ,
ISEQ
I cycle
I cycle
S cycle
Table 8-21 Example sequence LDRB and STMIA cycle timing
INSTR
(pc+2i)
-
-
(pc+4i)
(pc+3i)
DA
da
-
r3
r3+4
DnMREQ,
DSEQ
N cycle
I cycle
N cycle
S cycle
Instruction Cycle Times
RDATA
(da)
-
r0
r1
8-25