M42800A Atmel Corporation, M42800A Datasheet - Page 217
M42800A
Manufacturer Part Number
M42800A
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.M42800A.pdf
(224 pages)
4.M42800A.pdf
(27 pages)
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
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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
i
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