AT91SAM9G45-CU-999 Atmel, AT91SAM9G45-CU-999 Datasheet - Page 244

• 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 22-13. Single Read Access, Row Close, Latency = 2, SDR-SDRAM Device
Figure 22-14. Burst Read Access, Latency = 2, Low-power DDR1-SDRAM Devices
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COMMAND
DQS[1:0]
DM[1:0]
SDCLK
BA[1:0]
D[15:0]
A[12:0]
COMMAND
AT91SAM9G45
DM[3:0]
SDCLK
D[31:0]
A[12:0]
BA[1:0]
NOP
0
3
NOP
0
3
Col a
READ
PRCHG
Latency = 2
Trp
NOP
NOP
ACT
Row a
Da
NOP
Trcd
Db
col a
READ
Dc
Dd
BST
Latency = 2
De
DaDb
NOP
Df
Dg
Dh
6438F–ATARM–21-Jun-10