AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 502
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: 502 of 1218
- Download datasheet (19Mb)
Figure 31-23. Multi-master Flowchart
502
AT91SAM9G45
DADR + SVDIS + MSEN + CLK + R / W
No
No
No
Yes
Program the Master mode
Programm the SLAVE mode:
SADR + MSDIS + SVEN
Read TWI_RHR
Read Status Register
Read Status Register
a master access ?
TXCOMP = 1 ?
EOSACC = 1 ?
ARBLST = 1 ?
SVACC = 1 ?
START
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Data to read?
RXRDY= 0 ?
GACC = 1 ?
No
Yes
No
Yes
Read Status Register
TWI_CR = STOP
TXCOMP = 0 ?
Stop Transfer
MREAD = 1 ?
No
programming sequence
GENERAL CALL TREATMENT
Read TWI_RHR
Decoding of the
Change SADR
SVREAD = 0 ?
RXRDY= 0 ?
Prog seq
OK ?
No
Data to send ?
TXRDY= 0 ?
Yes
No
No
Yes
No
No
No
No
Yes
Yes
Write in TWI_THR
Write in TWI_THR
TXRDY= 1 ?
Yes
6438F–ATARM–21-Jun-10
No
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