AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 1189

• 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 46-25. SPI Slave Mode - NPCS Timings
Table 46-46. UART SPI Timings with 3.3V Peripheral Supply
Notes:
6438F–ATARM–21-Jun-10
Symbol
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1. For output signals, Min and Max access time must be extracted. The Min access time is the time between the SPCK rising or
falling edge and the signal change. The Max access time is the time between the SPCK rising or falling edge and the signal
stabilization.
Parameter
SPCK Period
Input Data Setup Time
Input Data Hold Time
Chip Select Active to Serial Clock
Output Data Setup Time
Serial Clock to Chip Select Inactive
SPCK falling to MISO
MOSI Setup time before SPCK rises
MOSI Hold time after SPCK rises
SPCK rising to MISO
MOSI Setup time before SPCK falls
MOSI Hold time after SPCK falls
NPCS0 setup to SPCK rising
NPCS0 hold after SPCK falling
NPCS0 setup to SPCK falling
NPCS0 hold after SPCK rising
NPCS0 falling to MISO valid
Figure 46-9
(CPOL = 0)
(CPOL = 1)
MISO
SPCK
SPCK
illustrates Min and Max accesses for SPI2. The same applies to SPI5, SPI6, SPI9.
SPI
SPI
SPI
16
12
14
SPI
6
SPI
9
Master Mode
Slave Mode
Cond
13.8
4.7
17.2
10.3
10.7
Min
7.5
0.4
2.0
2.0
2.9
0
0
(1)
(1)
SPI
SPI
15
13
AT91SAM9G45
16.9
17.1
Max
16.0
-0.3
3.5
0.2
(1)
(1)
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1189