SAM9M10 Atmel Corporation, SAM9M10 Datasheet - Page 189
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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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21.7.2.1
21.7.2.2
6355D–ATARM–7-Sep-11
Byte Write Access
Byte Select Access
Byte write access supports one byte write signal per byte of the data bus and a single read
signal.
Note that the SMC does not allow boot in Byte Write Access mode.
In this mode, read/write operations can be enabled/disabled at a byte level. One byte-select line
per byte of the data bus is provided. One NRD and one NWE signal control read and write.
Figure 21-7
mode, on NCS3 (BAT = Byte Select Access).
• For 16-bit devices: the SMC provides NWR0 and NWR1 write signals for respectively byte0
• For 32-bit devices: NWR0, NWR1, NWR2 and NWR3, are the write signals of byte0 (lower
• For 16-bit devices: the SMC provides NBS0 and NBS1 selection signals for respectively
• For 32-bit devices: NBS0, NBS1, NBS2 and NBS3, are the selection signals of byte0 (lower
(lower byte) and byte1 (upper byte) of a 16-bit bus. One single read signal (NRD) is provided.
byte), byte1, byte2 and byte 3 (upper byte) respectively. One single read signal (NRD) is
provided.
byte0 (lower byte) and byte1 (upper byte) of a 16-bit bus.
byte), byte1, byte2 and byte 3 (upper byte) respectively. Byte Select Access is used to
connect two 16-bit devices.
Byte Write Access is used to connect 2 x 8-bit devices as a 16-bit memory.
Byte Write Access is used to connect 4 x 8-bit devices as a 32-bit memory.
Byte Write option is illustrated on
Byte Select Access is used to connect one 16-bit device.
shows how to connect two 16-bit devices on a 32-bit data bus in Byte Select Access
Figure
21-6.
SAM9M10
189
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