AT91SAM9G45-CU-999 Atmel, AT91SAM9G45-CU-999 Datasheet - Page 1189

• Manufacturer Part Number: AT91SAM9G45-CU-999
• Description: IC MCU ARM9 APMC 324TFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM9G45-CU-999

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 400MHz
• Connectivity: EBI/EMI, Ethernet, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB
• Peripherals: AC'97, DMA, I²S, LCD, POR, PWM, WDT
• Number Of I /o: 160
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: ROM
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 0.9 V ~ 1.1 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 324-TFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed

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
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