AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 594

• 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

6438F–ATARM–21-Jun-10
In SPI Slave Mode:
• the external clock SCK must not be selected (USCLKS
• to obtain correct behavior of the receiver and the transmitter, the value programmed in CD of
• if the internal clock divided (MCK/DIV) is selected, the value programmed in CD must be
• the external clock (SCK) selection is forced regardless of the value of the USCLKS field in the
• to obtain correct behavior of the receiver and the transmitter, the external clock (SCK)
to “1” in the Mode Register (US_MR), in order to generate correctly the serial clock on the
SCK pin.
must be superior or equal to 4.
even to ensure a 50:50 mark/space ratio on the SCK pin, this value can be odd if the internal
clock is selected (MCK).
Mode Register (US_MR). Likewise, the value written in US_BRGR has no effect, because
the clock is provided directly by the signal on the USART SCK pin.
frequency must be at least 4 times lower than the system clock.
0x3), and the bit CLKO must be set
AT91SAM9G45
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