SAM9G46 Atmel Corporation, SAM9G46 Datasheet - Page 852
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SAM9G46
Manufacturer Part Number
SAM9G46
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G46.pdf
(58 pages)
Specifications of SAM9G46
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
No
Camera Interface
Yes
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
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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Figure 39-46. Master Node Configuration, NACT=SUBSCRIBE
Figure 39-47. Master Node Configuration, NACT=IGNORE
852
852
TXRDY
RXRDY
US_LINIR
US_RHR
LINTC
Slave Node Configuration
TXRDY
RXRDY
US_LINIR
LINTC
Read
Write
Write
SAM9G35
SAM9G35
Break
Break
Synch
IMPORTANT: if the NACT configuration for this frame is PUBLISH, the US_LINMR register,
must be write with NACT = PUBLISH even if this field is already correctly configured, in order to
set the TXREADY flag and the corresponding write transfer request.
Header
Header
Synch
• Write TXEN and RXEN in US_CR to enable both the transmitter and the receiver.
• Write USART_MODE in US_MR to select the LIN mode and the Slave Node configuration.
• Write CD and FP in US_BRGR to configure the baud rate.
• Wait until LINID in US_CSR rises
• Check LINISFE and LINPE errors
• Read IDCHR in US_RHR
• Write NACT, PARDIS, CHKDIS, CHKTYPE, DLCM and DLC in US_LINMR to configure the
frame transfer.
Protected
Identifier
Protected
Identifier
Data3
Data3
Frame slot = TFrame_Maximum
Response
Response
space
space
Frame slot = TFrame_Maximum
Frame
Frame
Data 1
Data 1
Data 1
Data N-2
Data N-1
Response
Response
Data N-1
Data N-1
Data N
Data N
Data N
Checksum
Checksum
11053B–ATARM–22-Sep-11
11053B–ATARM–22-Sep-11
FSDIS=1
FSDIS=1
space
space
frame
frame
Inter-
Inter-
FSDIS=0
FSDIS=0
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