M42800A Atmel Corporation, M42800A Datasheet - Page 46
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 11-26. 1 Wait State, 8-bit Bus Width, Byte Transfer
46
·
·
WRITE ACCESS
Standard Protocol
Early Protocol
READ ACCESS
AT91M42800A
Internal Bus
D0 - D15
D0 - D15
D0 - D15
A0 - A23
NWR1
NWR0
NRD
MCKI
NRD
NCS
1 Wait State
X B
X B
1
1
XB
1
X X X B
1
1779D–ATARM–14-Apr-06
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