AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 489

• Manufacturer Part Number: AT91SAM9G45-EKES
• Description: KIT EVAL FOR AT91SAM9G45
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

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

Figure 31-6. Master Write with One Data Byte
Figure 31-7. Master Write with Multiple Data Bytes
489
TXCOMP
TXRDY
TWCK
TWD
AT91SAM9G45
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
31-6,
S
STOP Command sent (write in TWI_CR)
DATA n
Figure
DADR
31-7, and
A
W
Figure
Write THR (Data n+1)
A
31-8.
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
6438F–ATARM–21-Jun-10
A
P