AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 834
![KIT EVAL FOR AT91SAM9G45](/photos/9/26/92642/at91sam9g45-ekes_sml.jpg)
AT91SAM9G45-EKES
Manufacturer Part Number
AT91SAM9G45-EKES
Description
KIT EVAL FOR AT91SAM9G45
Manufacturer
Atmel
Series
AT91SAM Smart ARMr
Type
MCUr
Datasheets
1.AT91SAM9G45-EKES.pdf
(56 pages)
2.AT91SAM9G45-EKES.pdf
(1218 pages)
3.AT91SAM9G45-EKES.pdf
(66 pages)
Specifications of AT91SAM9G45-EKES
Contents
Board
Processor To Be Evaluated
SAM9G45
Data Bus Width
32 bit
Interface Type
I2C, SPI, UART
Maximum Operating Temperature
+ 50 C
Minimum Operating Temperature
- 10 C
Operating Supply Voltage
1.8 V to 3.3 V
For Use With/related Products
AT91SAM9G45
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
Q4626953
- Current page: 834 of 1218
- Download datasheet (19Mb)
38.5.7
38.5.8
38.5.8.1
834
AT91SAM9G45
Transfer Without DMA
Handling Transactions with USB V2.0 Device Peripheral
Setup Transaction
Important. If the DMA is not to be used, it is necessary that it be disabled because otherwise it
can be enabled by previous versions of software without warning. If this should occur, the DMA
can process data before an interrupt without knowledge of the user.
The recommended means to disable DMA is as follows:
The setup packet is valid in the DPR while RX_SETUP is set. Once RX_SETUP is cleared by
the application, the UDPHS accepts the next packets sent over the device endpoint.
When a valid setup packet is accepted by the UDPHS:
An endpoint interrupt is generated while RX_SETUP in the UDPHS_EPTSTAx register is not
cleared. This interrupt is carried out to the microcontroller if interrupts are enabled for this
endpoint.
• the UDPHS device automatically acknowledges the setup packet (sends an ACK response)
• payload data is written in the endpoint
• sets the RX_SETUP interrupt
• the BYTE_COUNT field in the UDPHS_EPTSTAx register is updated
// Reset IP UDPHS
// With OR without DMA !!!
AT91C_UDPHS_DMA_CHANNEL_NBR)>>4); i++ ) {
// RESET endpoint canal DMA:
command
// Disable endpoint
// Reset endpoint config
// Reset DMA channel (Buff count and Control field)
STOP command
// Reset DMA channel 0 (STOP)
command
// Clear DMA channel status (read the register for clear it)
AT91C_BASE_UDPHS->UDPHS_DMA[i].UDPHS_DMASTATUS;
}
AT91C_BASE_UDPHS->UDPHS_CTRL &= ~AT91C_UDPHS_EN_UDPHS;
AT91C_BASE_UDPHS->UDPHS_CTRL |= AT91C_UDPHS_EN_UDPHS;
for( i=1; i<=((AT91C_BASE_UDPHS->UDPHS_IPFEATURES &
// DMA stop channel command
AT91C_BASE_UDPHS->UDPHS_DMA[i].UDPHS_DMACONTROL = 0;
AT91C_BASE_UDPHS->UDPHS_EPT[i].UDPHS_EPTCTLDIS |= 0XFFFFFFFF;
AT91C_BASE_UDPHS->UDPHS_EPT[i].UDPHS_EPTCTLCFG = 0;
AT91C_BASE_UDPHS->UDPHS_DMA[i].UDPHS_DMACONTROL = 0x02;
AT91C_BASE_UDPHS->UDPHS_DMA[i].UDPHS_DMACONTROL = 0;
AT91C_BASE_UDPHS->UDPHS_DMA[i].UDPHS_DMASTATUS =
6438F–ATARM–21-Jun-10
// STOP
// STOP
// NON
Related parts for AT91SAM9G45-EKES
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![AT91SAM9R64-CU](/photos/12/13/121356/144-lfbga_tmb.jpg)
Part Number:
Description:
MCU ARM9 64K SRAM 144-LFBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM7A3-AU](/photos/6/76/67646/313-100-lqfp_tmb.jpg)
Part Number:
Description:
IC ARM7 MCU FLASH 256K 100LQFP
Manufacturer:
Atmel
Datasheet:
![AT91SAM9G20B-CU](/photos/12/13/121366/217-lfbga_tmb.jpg)
Part Number:
Description:
IC ARM9 MPU 217-LFBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM9261B-CU](/photos/12/13/121366/217-lfbga_tmb.jpg)
Part Number:
Description:
MCU ARM9 ULTRA LOW PWR 217-LFBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM9G45-CU](/photos/12/13/121367/324-tfbga-pkg_tmb.jpg)
Part Number:
Description:
MCU ARM9 324-TFBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM9G10-CU](/photos/12/13/121366/217-lfbga_tmb.jpg)
Part Number:
Description:
IC MCU ARM9 SAMPLING 217CBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM9260B-CU](/photos/12/13/121366/217-lfbga_tmb.jpg)
Part Number:
Description:
IC ARM9 MCU 217-LFBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM9260B-QU](/photos/6/73/67311/313-208-pqfp_tmb.jpg)
Part Number:
Description:
IC ARM9 MCU 208-PQFP
Manufacturer:
Atmel
Datasheet:
![AT91SAM7X512-AU](/photos/6/76/67646/313-100-lqfp_tmb.jpg)
Part Number:
Description:
MCU ARM 512K HS FLASH 100-LQFP
Manufacturer:
Atmel
Datasheet:
![AT91SAM7X512-CU](/photos/6/89/68968/313-100-cbga_tmb.jpg)
Part Number:
Description:
MCU ARM 512K HS FLASH 100-TFBGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM9263B-CU](/photos/12/13/121367/324-tfbga-pkg_tmb.jpg)
Part Number:
Description:
IC ARM9 MCU 200 MHZ 324-TFBGA
Manufacturer:
Atmel
Datasheet:
![AT91RM9200-CJ-002](/photos/12/32/123245/256-bga_tmb.jpg)
Part Number:
Description:
IC ARM MCU 16BIT 128K 256BGA
Manufacturer:
Atmel
Datasheet:
![AT91SAM7S128-AU-001](/photos/12/13/121332/313-64-tqfp_tmb.jpg)
Part Number:
Description:
IC ARM7 MCU 32BIT 128K 64LQFP
Manufacturer:
Atmel
Datasheet:
![AT91SAM7SE256-AU](/photos/6/71/67112/128-lqfp_tmb.jpg)
Part Number:
Description:
IC ARM7 MCU FLASH 256K 128-LQFP
Manufacturer:
Atmel
Datasheet:
![AT91SAM7SE512-AU](/photos/6/71/67112/128-lqfp_tmb.jpg)
Part Number:
Description:
IC ARM7 MCU FLASH 512K 128-LQFP
Manufacturer:
Atmel
Datasheet: