SAM9M11 Atmel Corporation, SAM9M11 Datasheet - Page 194
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SAM9M11
Manufacturer Part Number
SAM9M11
Description
Manufacturer
Atmel Corporation
Specifications of SAM9M11
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
Dac Resolution (bits)
No
Temp. Sensor
No
Crypto Engine
AES/DES
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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AC and DC Parameters
7.18
7-22
Memory clock timing
Figure 7-17 shows the ARM7TDMI processor memory clock timing. The timing
parameters used in Figure 7-17 are listed in Table 7-17.
In Figure 7-17, the core is not clocked by the HIGH phase of MCLK when nWAIT is
LOW. During the cycles shown, nMREQ and SEQ change once, during the first LOW
phase of MCLK, and A[31:0] change once, during the second HIGH phase of MCLK.
Phase 2 is shown for reference. This is the internal clock from which the core times all
its activity. This signal is included to show how the HIGH phase of the external MCLK
has been removed from the internal core clock.
Note
nMREQ
A[31:0]
nWAIT
Copyright © 1994-2001. All rights reserved.
MCLK
ECLK
SEQ
Symbol
T
T
T
T
T
T
addr
mckh
mckl
msd
wh
ws
T
msd
T
mckl
T
ws
Parameter
MCLKr to address valid
MCLK HIGH time
MCLK LOW time
MCLKf to nMREQ and SEQ valid
nWAIT hold from MCLKf
nWAIT setup to MCLKr
T
mckh
Table 7-17 MCLK timing parameters
T
wh
Figure 7-17 MCLK timing
T
Maximum
Minimum
Minimum
Parameter type
Maximum
Minimum
Minimum
addr
ARM DDI 0029G
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