AT91SAM9G10-EK Atmel, AT91SAM9G10-EK Datasheet - Page 393
AT91SAM9G10-EK
Manufacturer Part Number
AT91SAM9G10-EK
Description
KIT DEV FOR SAM9G10 ARM
Manufacturer
Atmel
Type
MCUr
Specifications of AT91SAM9G10-EK
Contents
Board, Cables, Power Supply
Silicon Manufacturer
Atmel
Core Architecture
AVR
Kit Contents
Board
Svhc
No SVHC (15-Dec-2010)
Mcu Supported Families
AT91SAM9G10, ARM926EJ-S
Tool / Board Applications
Microcontroller
Rohs Compliant
Yes
For Use With/related Products
*
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Figure 31-23. Multi-master Flowchart
393
AT91SAM9G10
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
6462A–ATARM–03-Jun-09
No
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