M55800A Atmel Corporation, M55800A Datasheet - Page 29
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M55800A
Manufacturer Part Number
M55800A
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.M55800A.pdf
(29 pages)
4.M55800A.pdf
(256 pages)
5.M55800A.pdf
(28 pages)
Specifications of M55800A
Flash (kbytes)
0 Kbytes
Pin Count
176
Max. Operating Frequency
33 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
58
Ext Interrupts
58
Usb Speed
No
Usb Interface
No
Spi
1
Uart
3
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
72
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
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
- M40800 PDF datasheet
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- M55800A PDF datasheet #3
- M55800A PDF datasheet #4
- M55800A PDF datasheet #5
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1.3
ARM DDI 0029G
RANGEOUT0
RANGEOUT1
DOUT[31:0]
EXTERN0
EXTERN1
MAS[1:0]
DIN[31:0]
nTRANS
nMREQ
A[31:0]
D[31:0]
nOPC
nRW
Block, core, and functional diagrams
The ARM7TDMI processor architecture, core, and functional diagrams are illustrated
in the following figures:
•
•
•
EmbeddedICE
Figure 1-2 shows a block diagram of the ARM7TDMI processor components and
major signal paths
Figure 1-3 on page 1-8 shows the main processor (this is the logic at the core of
the ARM7TDMI
Figure 1-4 on page 1-9 shows the major signal paths for the ARM7TDMI
processor.
Logic
Copyright © 1994-2001. All rights reserved.
TCK
TMS
TAP controller
nTRST
Figure 1-2 ARM7TDMI processor block diagram
TDI
Scan chain 0
ARM7TDMI
processor
main
logic
TDO
SCREG[3:0]
IR[3:0]
TAPSM[3:0]
All other
signals
Introduction
1-7
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