M42800A Atmel Corporation, M42800A Datasheet - Page 21
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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Figure 9-2.
1779D–ATARM–14-Apr-06
AT91M42800A Memory Map after Remap Command
Address
0xFFFFFFFF
0xFFBFFFFF
0xFFC00000
0x003FFFFF
0x002FFFFF
0x001FFFFF
0x000FFFFF
0x00400000
0x00300000
0x00200000
0x00100000
0x00000000
Note:
On-chip RAM
Peripherals
Reserved
Reserved
Reserved
Function
(up to 8)
1. The ARM core modes are defined in the ARM7TDMI Datasheet. Privileged is a non-user
External
On-chip
Devices
On-chip
On-chip
Device
Device
mode. The protection is active only if Protect mode is enabled.
Programmable Page Size
1, 4, 16, 64M Bytes
Up to 8 Devices
4M Bytes
1M Byte
1M Byte
1M Byte
1M Byte
Size
Protection
Privileged
No
No
No
No
No
(1)
Abort Control
AT91M42800A
Yes
No
No
No
No
Yes
21
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