AT91FR40162S-CJ Atmel, AT91FR40162S-CJ Datasheet - Page 23

• Manufacturer Part Number: AT91FR40162S-CJ
• Description: IC ARM MCU FLASH 1K 121BGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91FR40162S-CJ

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 75MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: WDT
• Number Of I /o: 32
• Program Memory Size: 2MB (1M x 16)
• Program Memory Type: FLASH
• Ram Size: 256K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 121-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

10.4
6174B–ATARM–07-Nov-05
Data Bus Width
A data bus width of 8 or 16 bits can be selected for each chip select. This option is controlled by
the DBW field in the EBI_CSR (Chip Select Register) for the corresponding chip select.
Figure 10-4
Figure 10-4. Memory Connection for an 8-bit Data Bus
Figure 10-5
Figure 10-5. Memory Connection for a 16-bit Data Bus
shows how to connect a 512K x 8-bit memory on NCS2.
shows how to connect a 512K x 16-bit memory on NCS2.
EBI
EBI
D8 - D15
A1 - A19
D0 - D7
D8 - D15
A1 - A18
D0 - D7
NCS2
NWE
NWR1
NWR0
NUB
NOE
NLB
NCS2
NRD
A0
AT91FR40162S Preliminary
D0 - D7
D8 - D15
A0 - A18
Low Byte Enable
High Byte Enable
Write Enable
Output Enable
Memory Enable
D0 - D7
A1 - A18
A0
Write Enable
Output Enable
Memory Enable
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