SAM9G15 Atmel Corporation, SAM9G15 Datasheet - Page 112
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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: 112 of 248
- Download datasheet (2Mb)
Tightly-Coupled Memory Interface
5.2
5.2.1
5-4
TCM interface signals
Data interface signals
The TCM interface is designed to be compatible the timings of standard ASIC SRAM
components, allowing connection to single cycle SRAM with minimal interfacing logic
required. For standard SRAM the chip-select, address, and write data/control signals are
setup in one cycle, and the read or write operation takes place in the next cycle.
The signals in the DTCM interface can be grouped by function into four categories.
•
•
•
•
Control signals
The control signals for the data interface are:
DRCS
DRCS is used to indicate that an access will commence in the following cycle. For
simple zero wait state TCM systems the DRCS signals corresponds directly to a
memory chip select signal. For more complex systems DRCS corresponds to a memory
request signal.
Copyright © 2001-2003 ARM Limited. All rights reserved.
Control signals
—
—
—
Address and attribute signals
—
—
—
—
Data signals
—
—
DMA signals
—
—
—
DRCS
DRWAIT
DRIDLE
DRSEQ
DRADDR[17:0]
DRWBL[3:0]
DRnRW
DRRD[31:0]
DRWD[31:0]
DRDMAEN
DRDMACS
DRDMAADDR[17:0].
ARM DDI0198D
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