M42800A Atmel Corporation, M42800A Datasheet - Page 217

• Manufacturer Part Number: M42800A
• Manufacturer: Atmel Corporation

Specifications of M42800A

• Flash (kbytes): 0 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 33 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 54
• Ext Interrupts: 54
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3/5.0
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

Table of Contents
1779D–ATARM–14-Apr-06
1
2
3
4
5
6
7
8
9
10 Peripheral Memory Map .............................................................22
11 EBI: External Bus Interface .......................................................23
Features .........................................................................................1
Description ...................................................................................2
Pin Configuration .........................................................................3
Pin Description .............................................................................6
Block Diagram ..............................................................................8
Architectural Overview ................................................................9
Associated Documentation .......................................................11
Product Overview .......................................................................11
Peripherals ..................................................................................16
Memory Map ...............................................................................20
5.1 Memories .................................................................................................. 9
5.2 Peripherals ............................................................................................... 9
7.1 Power Supply ......................................................................................... 11
7.2 Input/Output Considerations ................................................................... 11
7.3 Operating Modes .................................................................................... 12
7.4 Clock Generator ..................................................................................... 12
7.5 Reset ...................................................................................................... 12
7.6 Emulation Functions ............................................................................... 13
7.7 Memory Controller .................................................................................. 14
7.8 External Bus Interface ............................................................................16
8.1 System Peripherals ................................................................................ 17
8.2 User Peripherals ..................................................................................... 18
11.1 External Memory Mapping .................................................................... 23
11.2 Abort Status .......................................................................................... 24
11.3 EBI Behavior During Internal Accesses ................................................ 24
11.4 Pin Description ..................................................................................... 25
11.5 Chip Select Lines .................................................................................. 25
11.6 Data Bus Width ..................................................................................... 26
11.7 Byte Write or Byte Select Access ......................................................... 27
AT91M42800A
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