M42800A Atmel Corporation, M42800A Datasheet - Page 20

• 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

9. Memory Map
Figure 9-1.
20
AT91M42800A
AT91M42800A Memory Map before Remap Command
Note:
Address
0xFFBFFFFF
0xFFFFFFFF
0xFFC00000
0x003FFFFF
0x002FFFFF
0x001FFFFF
0x000FFFFF
0x00400000
0x00300000
0x00200000
0x00100000
0x00000000
1. The ARM core modes are defined in the ARM7TDMI Datasheet. Privileged is a non-user
mode. The protection is active only if Protect mode is enabled.
Devices Selected
On-chip SRAM
Peripherals
Reserved
Reserved
Reserved
by NCS0
Function
External
On-chip
On-chip
On-chip
Device
Device
4M Bytes
1M Byte
1M Byte
1M Byte
1M Byte
Size
Protection
Privileged
No
No
No
No
(1)
Abort Control
Yes
No
No
No
No
1779D–ATARM–14-Apr-06