M42800A Atmel Corporation, M42800A Datasheet - Page 37

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M42800A

Manufacturer Part Number
M42800A
Description
Manufacturer
Atmel Corporation
Datasheets

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
ARM DDI 0029G
Addressing mode
Mode 2 <a_mode2>
Addressing modes
The addressing modes are procedures shared by different instructions for generating
values used by the instructions. The five addressing modes used by the ARM7TDMI
processor are:
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
The addressing modes are listed with their types and mnemonics Table 1-3.
Copyright © 1994-2001. All rights reserved.
Shifter operands for data processing instructions.
Load and store word or unsigned byte.
Load and store halfword or load signed byte.
Load and store multiple.
Load and store coprocessor.
Type or
addressing mode
Immediate offset
Register offset
Scaled register offset
Pre-indexed offset
Immediate
Register
Scaled register
Post-indexed offset
Mnemonic or stack type
-
-
Table 1-3 Addressing modes
Introduction
1-15

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