SAM9M10 Atmel Corporation, SAM9M10 Datasheet - Page 748
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SAM9M10
Manufacturer Part Number
SAM9M10
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.SAM9261.pdf
(248 pages)
3.SAM9M10.pdf
(59 pages)
4.SAM9M10.pdf
(1398 pages)
Specifications of SAM9M10
Flash (kbytes)
0 Kbytes
Pin Count
324
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
160
Ext Interrupts
160
Usb Transceiver
3
Usb Speed
Hi-Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
2
Uart
5
Lin
4
Ssc
2
Ethernet
1
Sd / Emmc
2
Graphic Lcd
Yes
Video Decoder
Yes
Camera Interface
Yes
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
64
Self Program Memory
NO
External Bus Interface
2
Dram Memory
DDR2/LPDDR, SDRAM/LPSDR
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
0.9 to 1.1
Fpu
No
Mpu / Mmu
No / Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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35.13.16 HSMCI DMA Configuration Register
Name:
Addresses:
Access:
• OFFSET: DMA Write Buffer Offset
This field indicates the number of discarded bytes when the DMA writes the first word of the transfer.
• CHKSIZE: DMA Channel Read and Write Chunk Size
The CHKSIZE field indicates the number of data available when the DMA chunk transfer request is asserted.
• DMAEN: DMA Hardware Handshaking Enable
0 = DMA interface is disabled.
1 = DMA Interface is enabled.
Note:
• ROPT: Read Optimization with padding
0: BLKLEN bytes are moved from the Memory Card to the system memory, two DMA descriptors are used when the trans-
fer size is not a multiple of 4.
1: Ceiling(BLKLEN/4) * 4 bytes are moved from the Memory Card to the system memory, only one DMA descriptor is used.
748
31
23
15
–
–
7
–
To avoid unpredictable behavior, DMA hardware handshaking must be disabled when CPU transfers are performed.
CHKSIZE value
SAM9M10
00
01
10
11
30
22
14
HSMCI_DMA
0xFFF80050 (0), 0xFFFD0050 (1)
Read-write
–
–
6
–
29
21
13
Number of data transferred
–
–
–
5
CHKSIZE
16
1
4
8
ROPT
28
20
12
–
–
4
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
–
25
17
–
–
9
–
1
OFFSET
6355D–ATARM–7-Sep-11
DMAEN
24
16
–
–
8
0
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