SAM9261 Atmel Corporation, SAM9261 Datasheet - Page 552

• 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

6062N–ATARM–3-Oct-11
The following flowchart shows how to manage a multiple write block transfer with the PDC (see
Figure
the contents of the Interrupt Mask Register (MCI_IMR).
Figure 35-10. Multiple Write Functional Flow Diagram
Note:
35-10). Polling or interrupt method can be used to wait for the end of write according to
It is assumed that this command has been correctly sent (see
Configure the PDC channel
MCI_TPR = Data Buffer Address to write
MCI_TCR = BlockLength/4
Send SET_BLOCKLEN command (1)
Send SELECT/DESELECT_CARD
Send WRITE_MULTIPLE_BLOCK
Set the PDCMODE bit
MCI_MR |= PDCMODE
Set the block length
MCI_MR |= (BlockLength << 16)
command (1) to select the card
Send STOP_TRANSMISSION
Read status register MCI_SR
MCI_PTCR = TXTEN
NOTBUSY = 0?
command
command
Poll the bit
RETURN
BLKE = 0?
Poll the bit
No
No
(1)
(1)
Yes
Yes
Figure
AT91SAM9261
35-7).
552