SAM9G15 Atmel Corporation, SAM9G15 Datasheet - Page 394
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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
- Current page: 394 of 1274
- Download datasheet (30Mb)
29.9.5
29.9.6
394
394
SAM9G35
SAM9G35
Write Protected Registers
Coding Timing Parameters
Figure 29-15. WRITE_MODE = 0. The write operation is controlled by NCS
To prevent any single software error that may corrupt SMC behavior, the registers listed below
can be write-protected by setting the WPEN bit in the SMC Write Protect Mode Register
(SMC_WPMR).
If a write access in a write-protected register is detected, then the WPVS flag in the SMC Write
Protect Status Register (SMC_WPSR) is set and the field WPVSRC indicates in which register
the write access has been attempted.
The WPVS flag is automatically reset after reading the SMC Write Protect Status Register
(SMC_WPSR).
List of the write-protected registers:
All timing parameters are defined for one chip select and are grouped together in one
SMC_REGISTER according to their type.
The SMC_SETUP register groups the definition of all setup parameters:
• NRD_SETUP, NCS_RD_SETUP, NWE_SETUP, NCS_WR_SETUP
The SMC_PULSE register groups the definition of all pulse parameters:
• NRD_PULSE, NCS_RD_PULSE, NWE_PULSE, NCS_WR_PULSE
The SMC_CYCLE register groups the definition of all cycle parameters:
• NRD_CYCLE, NWE_CYCLE
•
•
•
•
•
Section 29.16.1 ”SMC Setup Register”
Section 29.16.2 ”SMC Pulse Register”
Section 29.16.3 ”SMC Cycle Register”
Section 29.16.4 ”SMC MODE Register”
Section 29.16.5 ”SMC DELAY I/O Register”
NWR0, NWR1,
NWR2, NWR3
NBS0, NBS1,
NBS2, NBS3,
A0, A1
D[31:0]
A
NWE,
[25:2]
MCK
NCS
11053B–ATARM–22-Sep-11
11053B–ATARM–22-Sep-11
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