ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 626

• 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

Figure 33-6. Master Write with One Data Byte
Figure 33-7. Master Write with Multiple Data Bytes
626
TXCOMP
TXRDY
TWCK
TWD
SAM3U Series
Write THR (Data n)
S
DADR
After a Master Write transfer, the Serial Clock line is stretched (tied low) while no new data is
written in the TWI_THR or until a STOP command is performed.
See
TXCOMP
TXRDY
W
Figure
TWD
Write THR (DATA)
A
33-6,
S
STOP Command sent (write in TWI_CR)
DATA n
Figure
DADR
33-7, and
A
W
Figure
Write THR (Data n+1)
A
33-8.
DATA
DATA n+1
STOP command performed
(by writing in the TWI_CR)
A
Write THR (Data n+2)
Last data sent
P
A
DATA n+2
6430D–ATARM–25-Mar-11
A
P