AT91SAM7A1-AU Atmel, AT91SAM7A1-AU Datasheet - Page 40

• Manufacturer Part Number: AT91SAM7A1-AU
• Description: IC ARM7 MCU 32BIT ROMLESS144LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7A1-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 40MHz
• Connectivity: CAN, EBI/EMI, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 49
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• For Use With: AT91SAM7A1-EK - BOARD EVAL FOR AT91SAM7A1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

40
AT91SAM7A1
Figure 10-25. Sequential Write Access on the Same Chip Select with No Wait State
Figure 10-26. Sequential Write Access on Different Chip Select
Figure 10-27. Write and Early Read on the Same Chip Select
ADDRESS
ADDRESS
ADDRESS
NOE/NRD
NWE
NCS 1
NCS 2
NCS
Data
NWE
NWE
Data
NCS
Data
Write Mem 1
Address 1
Address 1
Write
Address 1
Write
Write Mem 1
Write Data 1
Data 1
Address 2
Data Float
Data Float
Write
Data 2
Write Mem 2
Address 3
Address 2
Address 2
Read
Write
Write Mem 2
Read Data 2
Data 3
Data Float
Data Float
Data Float
6048B–ATARM–29-Jun-06