ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 647

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

33.9.6
Figure 33-32. Read Write Flowchart in Slave Mode
6430D–ATARM–25-Mar-11
Read Write Flowcharts
No
No
SADR + MSDIS + SVEN
Set the SLAVE mode:
Read Status Register
EOSACC = 1 ?
TXCOMP = 1 ?
SVACC = 1 ?
No
END
The flowchart shown in
in Slave mode. A polling or interrupt method can be used to check the status bits. The interrupt
method requires that the interrupt enable register (TWI_IER) be configured first.
GACC = 1 ?
Figure 33-32 on page 647
No
programming sequence
Read TWI_RHR
SVREAD = 0 ?
RXRDY= 0 ?
Decoding of the
Change SADR
Prog seq
OK ?
No
gives an example of read and write operations
No
GENERAL CALL TREATMENT
No
Write in TWI_THR
TXRDY= 1 ?
SAM3U Series
No
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