AT91M43300-25CI Atmel, AT91M43300-25CI Datasheet - Page 11

• Manufacturer Part Number: AT91M43300-25CI
• Description: IC ARM7 MCU 144 BGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91M43300-25CI

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: WDT
• Number Of I /o: 58
• Program Memory Type: ROMless
• Ram Size: 3K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LFBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

SPI Signals
Table 14. SPI Signals in Master Mode
Figure 5. SPI Signals
Symbol
t
f
SP
SP
SP
SP
SP
SP
SPCK
SPCK
1
2
3
4
5
6
NPCS[3:0]
CPOL = 1
Parameter
SPI Operating Period
SPI Operating Frequency
Delay before NPCS[3:0]
Delay between Chip Selects
Delay before SPCK
MISO/SPCK Setup Time
MISO/SPCK Hold Time
MOSI Valid after SPCK Edge
CPOL = 0
Output
Output
Output
output
SPCK
SPCK
MISO
MOSI
Input
SP
MSB In
4
MSB Out
SP
SP
5
6
t
Core at 2V
SPCK
TBD
1/16320(t
Data
Data
Minimum
4(t
4(t
6(t
2(t
CP
CP
CP
CP
)
)
)
)
Core at 3.3V
CP
)
0
LSB Out
LSB In
Core at 2V
SP
TBD
TBD
1
261120(t
16320(t
Maximum
8160(t
8160(t
1/4(t
SP
2
CP
CP
CP
CP
)
CP
Core at 3.3V
)
)
)
)
18
SP
7
3
Units
GHz
ns
ns
ns
ns
ns
ns
ns
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