SAM9G15 Atmel Corporation, SAM9G15 Datasheet - Page 409
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SAM9G15
Manufacturer Part Number
SAM9G15
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G15.pdf
(1211 pages)
5.SAM9G15.pdf
(45 pages)
Specifications of SAM9G15
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
105
Ext Interrupts
105
Usb Transceiver
3
Usb Speed
Hi-Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
3
Uart
6
Lin
4
Ssc
1
Sd / Emmc
2
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
External Bus Interface
1
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
- SAM9261 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9261 PDF datasheet #3
- SAM9G15 PDF datasheet #4
- SAM9G15 PDF datasheet #5
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29.13 Slow Clock Mode
29.13.1
Figure 29-31. Read/write Cycles in Slow Clock Mode
11053B–ATARM–22-Sep-11
11053B–ATARM–22-Sep-11
NBS0, NBS1,
NBS2, NBS3,
A0,A1
Slow Clock Mode Waveforms
A[25:2]
NWE
MCK
NCS
SLOW CLOCK MODE WRITE
The SMC is able to automatically apply a set of “slow clock mode” read/write waveforms when
an internal signal driven by the Power Management Controller is asserted because MCK has
been turned to a very slow clock rate (typically 32kHz clock rate). In this mode, the user-pro-
grammed waveforms are ignored and the slow clock mode waveforms are applied. This mode is
provided so as to avoid reprogramming the User Interface with appropriate waveforms at very
slow clock rate. When activated, the slow mode is active on all chip selects.
Figure 29-31
chip selects.
1
Table 29-5.
Read Parameters
NRD_SETUP
NRD_PULSE
NCS_RD_SETUP
NCS_RD_PULSE
NRD_CYCLE
NWE_CYCLE = 3
1
Table 29-5
illustrates the read and write operations in slow clock mode. They are valid on all
Read and Write Timing Parameters in Slow Clock Mode
1
indicates the value of read and write parameters in slow clock mode.
Duration (cycles)
0
2
1
1
2
NBS0, NBS1,
NBS2, NBS3,
A0,A1
Write Parameters
NWE_SETUP
NWE_PULSE
NCS_WR_SETUP
NCS_WR_PULSE
NWE_CYCLE
A[25:2]
MCK
NRD
NCS
SLOW CLOCK MODE READ
NRD_CYCLE = 2
1
Duration (cycles)
1
SAM9G35
SAM9G35
1
1
0
3
3
409
409
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