M42800A Atmel Corporation, M42800A Datasheet - Page 41
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 11-21. 0 Wait States, 16-bit Bus Width, Word Transfer
1779D–ATARM–14-Apr-06
·
·
·
Standard Protocol
Early Protocol
Byte Write/
Byte Select Option
READ ACCESS
WRITE ACCESS
Internal Bus
D0 - D15
D0 - D15
D0 - D15
A1 - A23
MCKI
NWE
NRD
NRD
NCS
NUB
NLB
ADDR
B
2
B
1
B
2
B
B
2
1
B
1
X X B
2
B
1
ADDR+1
B
B
4
4
B
B
3
3
B
4
B
B
3
4
B
3
B
AT91M42800A
2
B
1
41
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