AT91SAM7A1-AU Atmel, AT91SAM7A1-AU Datasheet - Page 57
AT91SAM7A1-AU
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
-
Available stocks
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Manufacturer
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• 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]
NWS[2:0]
DBW[1:0]
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
WS Added
Active Bits in Base Address
Data Bus Width
16-bit Data Bus
8-bit Data Bus
AT91SAM7A1
Reserved
Reserved
12 (31-20)
10 (31-22)
8 (31-24)
6 (31-26)
1
2
3
4
5
6
7
8
57
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