AT91M40800-33AI Atmel, AT91M40800-33AI Datasheet - Page 149

• Manufacturer Part Number: AT91M40800-33AI
• Description: IC ARM7 MCU 100 TQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91M40800-33AI

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Table of Contents
1354D–ATARM–08/02
Features................................................................................................. 1
Description ............................................................................................ 1
Pin Configuration.................................................................................. 2
Block Diagram....................................................................................... 4
Architectural Overview......................................................................... 5
Associated Documentation ................................................................. 7
Product Overview ................................................................................. 8
Peripherals .......................................................................................... 11
Memory Map........................................................................................ 15
Peripheral Memory Map ..................................................................... 17
EBI: External Bus Interface................................................................ 18
Memories .............................................................................................................. 5
Peripherals............................................................................................................ 5
Power Supply........................................................................................................ 8
Input/Output Considerations ................................................................................. 8
Master Clock......................................................................................................... 8
Reset .................................................................................................................... 8
Emulation Function ............................................................................................... 8
Memory Controller ................................................................................................ 9
External Bus Interface ........................................................................................ 11
System Peripherals............................................................................................. 12
User Peripherals ................................................................................................. 14
External Memory Mapping.................................................................................. 18
External Bus Interface Pin Description .............................................................. 20
Chip Select Lines................................................................................................ 21
Data Bus Width................................................................................................... 23
Byte Write or Byte Select Access ....................................................................... 24
Boot on NCS0..................................................................................................... 26
Read Protocols ................................................................................................... 27
Write Data Hold Time ......................................................................................... 28
Wait States ......................................................................................................... 29
Memory Access Waveforms ............................................................................... 33
EBI User Interface .............................................................................................. 45
EBI Chip Select Register .................................................................................... 46
EBI Remap Control Register .............................................................................. 48
EBI Memory Control Register ............................................................................. 49
AT91X40 Series
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