SAM9G15 Atmel Corporation, SAM9G15 Datasheet - Page 837
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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Figure 39-39. Header Transmission
11052C–ATARM–21-Nov-11
Write RSTSTA=1
in US_CSR
in US_CSR
Baud Rate
US_LINIR
US_LINIR
in US_CR
TXRDY
LINBK
LINID
Clock
Write
TXD
ID
The header is transmitted as soon as the identifier is written in the LIN Identifier register
(US_LINIR). At this moment the flag TXRDY falls.
The Break Field, the Synch Field and the Identifier Field are sent automatically one after the
other.
The Break Field consists of 13 dominant bits and 1 recessive bit, the Synch Field is the charac-
ter 0x55 and the Identifier corresponds to the character written in the LIN Identifier Register
(US_LINIR). The Identifier parity bits can be automatically computed and sent (see
39.7.8.9).
The flag TXRDY rises when the identifier character is transferred into the Shift Register of the
transmitter.
As soon as the Synch Break Field is transmitted, the flag LINBK in the Channel Status register
(US_CSR) is set to 1. Likewise, as soon as the Identifier Field is sent, the flag LINID in the Chan-
nel Status register (US_CSR) is set to 1. These flags are reset by writing the bit RSTSTA to 1 in
the Control register (US_CR).
13 dominant bits (at 0)
Break Field
1 recessive bit
Delimiter
Break
(at 1)
Start
Bit
1
0
Synch Byte = 0x55
1
0
1
0
1
0
Stop
Bit
Start
Bit
ID0
ID1
ID2
ID3
ID4
SAM9G15
ID5
ID6
ID7
Stop
Bit
Section
837
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