M42800A Atmel Corporation, M42800A Datasheet - Page 173
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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Chapter 7
AC and DC Parameters
ARM DDI 0029G
This chapter gives the AC timing parameters of the ARM7TDMI core. It contains the
following sections:
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•
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•
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•
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Timing diagram information on page 7-3
General timing on page 7-4
Address bus enable control on page 7-6
Bidirectional data write cycle on page 7-7
Bidirectional data read cycle on page 7-8
Data bus control on page 7-9
Output 3-state timing on page 7-10
Unidirectional data write cycle timing on page 7-11
Unidirectional data read cycle timing on page 7-12
Configuration pin timing on page 7-13
Coprocessor timing on page 7-14
Exception timing on page 7-15
Synchronous interrupt timing on page 7-16
Debug timing on page 7-17
Debug communications channel output timing on page 7-19
Breakpoint timing on page 7-20
Copyright © 1994-2001. All rights reserved.
7-1
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