AT91SAM7A1-AU Atmel, AT91SAM7A1-AU Datasheet - Page 53

• 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: -

• PAGES[1:0]: Page Size
These bits select the memory page size.
• WSE: Wait State Enable
0: Wait state generation is disabled. No wait state is inserted.
1: Wait state generation is enabled.
• NWS[2:0]: Number of Wait States
These bits select the number of wait states added. This field is only valid if the WSE bit is set.
• DBW[1:0]: Data Bus Width
Type of data bus selected.
6048B–ATARM–29-Jun-06
0
0
1
1
0
0
0
0
1
1
1
1
0
0
1
1
PAGES[1:0]
DBW[1:0]
NWS[2:0]
0
1
0
1
0
0
1
1
0
0
1
1
0
1
0
1
Page Size
16 Mbytes
64 Mbytes
1 Mbytes
4 Mbytes
0
1
0
1
0
1
0
1
Data Bus Width
16-bit Data Bus
8-bit Data Bus
Reserved
Reserved
Active Bits in Base Address
AT91SAM7A1
12 (31-20)
10 (31-22)
WS Added
8 (31-24)
6 (31-26)
1
2
3
4
5
6
7
8
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